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    • 专利摘要:
    A power supply module for intelligent electronic devices capable of transforming the energy of the LV network and a battery into energy usable by said apparatuses is made to serve as a support for said apparatuses. In particular, for use in telecontrol equipment, the housing (110) of the power supply module is flat, can be placed on DIN wall rails, and comprises on its front face (134) a DIN rail. (140) for fixing the devices it feeds, that is to say other functional modules of the equipment. The housing (110) further comprises a strip (112) for the connections. Preferably, the power supply is performed by serial connection, and the power supply module comprises a port (180) dedicated to external communication via a module of the equipment.
    公开号:FR3023444A1
    申请号:FR1456312
    申请日:2014-07-02
    公开日:2016-01-08
    发明作者:Stephane Sinistro；Christophe Mollier；Eric Suptitz
    申请人:Schneider Electric Industries SAS；
    IPC主号:
    专利说明:

    [0001] The invention relates to the architecture governing the arrangement of the different components of a remote control interface of switches. In particular, the invention relates to a design of the power supply module of a tele-driving equipment which allows an optimization of the arrangement of the other components, in particular in the form of functional modules. The invention also relates to a tele-driving equipment comprising the power module on which are grafted communication modules and monitoring or control / command.
    [0002] STATE OF THE ART Electrical networks 1 are generally architected in several levels, with a first very high and high voltage transmission and distribution network from production plants over long distances. A medium voltage MV or MV distribution network 3 succeeds it for smaller-scale transport, industrial-type customers or LV low-voltage networks 4 which supply customers with low energy demand (see also FIG. 1A). At the level of the distribution network 3 usually between 1 and 35 kV, and more precisely 15 or 20 kV in France, it is customary that the HTA devices 5 can be remotely controlled from remote stations 6, typically at the MV transformer stations. / BT. Thus, Electricité de France (EdF) uses remote control interfaces of switches 400A, or ITI, to control up to eight switches using the analog or digital radio network by GPRS (for "General Packet Radio Service"), the PSTN switched telephone network, a dedicated telephone link (or dedicated LS link), or other types of computer networks.
    [0003] An ITI 10, powered directly on the AC network BT 4, thus allows telecommunication with the network control station 6, the operation of the electrical controls of the switches 5, the detection of HTA faults, the automatic opening of a switch 5 on detection of the faulted start, the automatic switching of the power sources, the recording of the maneuvers and the signaling of the dated events. In addition, PITT 10 must provide these so-called main functions in case of loss of alternative power source; to this end, it includes an autonomous source of power that replaces the usual external alternative source.
    [0004] More generally, this type of equipment 10 called "tele-driving", or FRTU (in English terminology "Feeder Automation Remote Terminal Unit") is located at the level of substations MT / BT 6 and provides functions measurement, communication and control, being connected downstream to sensors 7, and upstream to a remote management supervisor 8 SCADA type (for "Supervisory Control And Data Acquisition").
    [0005] Specifications govern the constituent elements of telecontrol equipment, which may vary, in particular because of the network environment (underground / overhead), its density (number of starts to be monitored), and its grounding. , communication possibilities (radio, GSM, etc.), sensor specificities or space constraints, not to mention local normative requirements. It thus appears desirable to have a modular offer making it possible to compose the tele-driving equipment 10 corresponding best to the needs of the customer, which facilitates, among other things, technical management and logistics, while permitting possible adaptation. It then seems desirable to facilitate the connections between the modules of such an offer.
    [0006] In addition, the integration of decentralized generation facilities, with photovoltaic panels, wind farms and micro-plants, into LV 4 and MV 3 networks considerably increases their complexity, with a bi-directional and inconstant energy distribution that needs to be managed. parametric fluctuations. In particular, in addition to the functions of fault detection and control of the network MT 3, it would be desirable to extend the functionalities of a FRTU 10 to the management of the medium voltage voltage plan 3 and the management of the LV network 4.
    [0007] DISCLOSURE OF THE INVENTION Among other advantages, the invention aims to propose a specific configuration of one of the modules of a tele-driving equipment, the power supply, so as to offer an optimized modular architecture. In one of its aspects, the invention relates to a power module, or energy workshop, for a tele-driving equipment, whose housing is adapted to serve as a support for electronic devices it feeds. The power supply module comprises electronic power supply means, in particular a printed circuit board, which comprise in particular means of connection to a low voltage network and to a battery as an auxiliary source, means for transforming the energy of the sources. to which the module can be connected in power supply for electronic devices, and connection means to electronic devices for powering them, and possibly a communication port and / or viewing means of light emitting diode type. The electronic power supply means are housed in a housing of the module which comprises a support surface, in particular a metal face, intended to be fixed on a wall support, for example by means suitable for fixing to DIN rails, snap on a rail and locking means on a parallel rail; the printed circuit board is preferably placed parallel to the support face.
    [0008] The housing is closed partly by a cover, preferably insulating, comprising orifices from which the connection and display means are accessible, and for the other part, by a cover, advantageously metallic, having a front face opposite the face. carrier which is provided with fixing means for powered electronic devices, in particular a DIN rail; insulation means can then be provided to isolate the electronic means of the housing. Ventilation openings are preferably present on two side walls of the cover to allow a natural cooling convection.
    [0009] In another aspect, the invention relates to a tele-driving equipment whose power is provided by such a module. The tele-driving equipment also comprises at least one monitoring module of a medium voltage network. The equipment 5 may also comprise a communication module, also put in place, via the fixing means, on the front face of the power supply module to which it is connected by the connection means, the communication module being connected to the monitoring module so that the connection between the monitoring module and the power supply module is in the form of a "daisy chain" via the communication module. Advantageously, the power supply module and the communication module are further connected via a communication port. BRIEF DESCRIPTION OF THE FIGURES Other advantages and features will emerge more clearly from the following description of particular embodiments of the invention, given by way of illustration and in no way limitative, represented in the appended figures. FIGS. 1A and 1B schematically illustrate a telecontrol equipment according to a preferred embodiment of the invention and its location in an electrical network. Figures 2A and 2B show a connection jumper. Figures 3A, 3B and 3C show the different elements for an energy workshop of a telecontrol equipment according to a preferred embodiment of the invention. Figure 4 shows the general shape of a telecontrol equipment module housing according to a preferred embodiment of the invention. Figures 5A and 5B show a telecommunication equipment communication module according to a preferred embodiment of the invention.
    [0010] Figures 6 and 7 show monitoring modules for the MV and LV network for telecontrol equipment according to a preferred embodiment of the invention. Figure 8 schematically illustrates a device according to an embodiment of the invention set up at a MT / BT station to monitor. DETAILED DESCRIPTION OF A PREFERRED EMBODIMENT For simplification of the description, the various elements will be described in relation to a position of use of the equipment 10, mounted in a box 20 at the MV / LV station 6 on a wall. vertical. However, it is understood that the terms of position such as "horizontal", "lateral", "bottom" are in no way restrictive as to the object of the invention. Moreover, geometrical terms, such as "orthogonal", ... must be understood in their mechanical acceptance, that is to say, tolerating a deviation from the strict mathematical definition: for example, a "rectangle" can according to the invention, be curved and blunt angles slightly different from 90 °. As illustrated in FIGS. 1A, a tele-driving equipment unit 10 comprises a first module 100 intended for its power supply, a second module 200 serving as a communication interface and at least a third module 300 intended for monitoring, or control / control, the MV medium voltage network 3. In addition, the equipment 10 may comprise at least a fourth module 400, for monitoring the LV low voltage network 4, using the same communication module 200 as the module (s) ( s) 300, MV monitoring. According to the preferred embodiment of the invention, each module 100, 200, 300, 400 is formed of a single housing housing the functional elements and can thus be dissociated from the others, for example for replacement; the modules 100, 200, 300, 400 are interconnected with means adapted to ensure the communication and supply of energy.
    [0011] The telecontrol equipment 10 is, as also illustrated in Figure 1B, conventionally implemented in a dedicated cabinet 20, although other options are possible. A box 20 is partially standardized with regard in particular to its dimensions and the elements that it must accommodate, said elements imposing for their part certain relative isolation constraints: see for example the patent application FR 13 56645. In particular, the box 20 houses a battery 105, usually at the bottom of the box for reasons of weight, a fuse holder 22, an external radio type communication 24, and the telecontrol equipment 10. Advantageously, the tele- line 10 is located at the top of box 20 and forms a row, the communication modules 200 and monitoring 300, 400 including being aligned side by side. Preferably, the profiles of the aligned modules are similar to form a coherent whole, with an identical or multiple width of a fixed pitch, so as to facilitate their assembly, the passage of the cables, the connections, as well as the access and the visualization of the interfaces. In a preferred embodiment, the communication module 200 is located at one end of the alignment, for example to facilitate its connections to the external management systems 8 such as a SCADA plant. Since the communication module 200 must be functionally connected to the other modules 100, 300, 400 of the FRTU 10, and in order to simplify these connections, it is preferred to use a series connection or of the "daisy chain" type, which is that is to say that the transmission of information for communication is done step by step from the communication module 200, by means of suitable means 210, for example a connector preferably RJ45 type. This solution offers the additional advantage of the possibility of adding / removing 3001, 400 monitoring modules without limit. In the preferred embodiment in which the monitoring modules 300 '400, and communication 200 are placed side by side, it is advantageous for the connection terminals 205 of each module 200, 300, 400 to be placed at the same distance from the edge of the module. their housing, so that the distance between them is constant, for example 26 mm. Thus, it is possible to provide connection means 210 adapted, the two connectors 212 are connected by an optimized length of copper which also offers an external appearance devoid of hanging cables.
    [0012] In a preferred embodiment illustrated in Figures 2, the connection connection 210 daisy chain is rigid, in the form of jumpers. The two connectors 212 are thus connected by a U-shaped base 214, including in particular a sheathed cable core 216, in particular 8-core if the connectors 212 are RJ45 terminals. To reduce the size of the connector 210 as much as possible, the radius of curvature of the cable 216 is increased, and collectors 218 are put in place at the end of each connector 212 to protect said cable 216 which is supported on its edge. . As indicated, the RJ45 Ethernet connection is the most suitable for the transmission of information within a modular telecontrol equipment 10. The choice to minimize the length of the cable 216, however, generates difficulties. in gripping the male Ethernet ports 212 which include a latch 220 and a latch 222 to push during the extraction in particular. According to the preferred embodiment, the two connectors 212 are therefore placed parallel to each other, with their latch 222 on the same side of the connector 210, and a pusher 224 is in place to actuate the two latches 222 at the same time. The pusher 224 is preferably pivotally movable about an axis, which is advantageously formed integrally with the pusher 224 protruding from a plate by two lugs 226. The pusher 224 cooperates with an overmolding 228 of the U-shaped part. fact, the assembly formed by the end of the connectors 212, the cable 216 and the collectors 218 is overmoulded by a plastic, overmolding 228 being provided with two eyelets 230, open or not, to accommodate the lugs 226 of the pusher 224. In the absence of stresses, the pusher 224 is adjacent to the latches 222 of the Ethernet ports 212 without supporting it; preferably, a portion of the pusher 224 rests on a plate 232 formed in the overmoulding, overmolding 228 thereby forming a recess 234 below the other portion of the pusher 224, located on the other side of the axis 226. Pressure on the pusher 224 on the side of the recess 234 causes pivoting about the axis 226 so that said portion of the pusher 224, adjacent to the latches 222, press simultaneously and identically on the two latches 222 to release the latches mechanical 220 connectors RJ45, to insert or extract the jumper 210 adjacent modules between which it provides the link. The operation is thus done in one go and with one hand.
    [0013] Preferably, the overmolded portion 228 of the connector 210 includes means to make it partially flexible, including a bellows 236. This flexibility allows for example to easily insert the pins 226 in the eyelets 230 during assembly of the jumper 210, and optionally adjusting the connectors 212 when inserted into the terminals 205 of the modules to accept a slight level shift or spacing between the modules 200, 300, 400 side by side. The connector 210 has the major advantage of its ease of implementation for the connection / disconnection of the modules together due to the simultaneous actuation of the two connection latches 222. In addition, the configuration makes it possible to limit the bulk due to the connection between modules 200, 300, 400 while allowing a good visualization of the actual completion of the connection. However, it is understood that other types of connection can be used for this daisy chain connection of the FRTU 10.
    [0014] Each of the monitoring modules 3001, 400, and communication 200 is further connected to the power supply module 100 for the supply of energy. The power supply module 100 of the telecontrol equipment 10 can be adapted to serve as an energy workshop, designed for the control and control of the whole of the substation 6, including the motorization of the power plant. MT 5 or BT 9 switches. As for any tele-driving equipment, the energy workshop 100 is adapted to feed on the network BT 4 and on a battery 105 that it is able to monitor (level of charge, temperature ...), especially when the main network is in fault, to simultaneously supply several voltage levels, to supply the various functions of the FRTU 10 (communication, measurements, commands of the motorized switches 5) ...: means In the preferred form of printed circuit board (s), the electronics form the corresponding functional part of the energy workshop 100. Given the volume and mass constraints of such an energy workshop 100, especially for consequent powers im laying down minimum dimensions for transformers, radiators, etc., a challenge to be met is the integration in the restricted volume imposed by some prescribers for the boxes 20 housing the devices necessary for tele-driving. According to the invention, another solution than known alternatives (independent solid power supply unit, management card associated with a battery housing, or low-power module on DIN rail as in the TRIO range) has been developed in order to to satisfy the mechanical constraints (maximum dimensions of the FRTU envelope 10), thermal (heating problems) and electromagnetic (coexistence of electronic signals of different levels and at different frequencies) while integrating into the modular offer 10 developed. Thus, as shown diagrammatically in FIG. 1B, the power supply module 100 according to the preferred embodiment of the invention is designed to serve as a support for the alignment of the communication modules 200 and monitoring 300, 400: the module of supply 100 is flat, placed parallel to the wall support, for example fixed via one or more DIN rails, and its housing 110 comprises on the front face means for supporting the other modules 200, 300, 400 of the tele-driving equipment 10. In particular, the power supply module 100 has a thickness of less than 85 mm, for example 70-74 mm + 7 mm fixing rail, for a wall grip less than 200 mm x 300 mm, for example 190 x 270 (± 1) mm2. Thus, the loss of space is minimized, the mechanical stresses for the maintenance of the energy workshop 100 are low, the distribution of voltage levels is facilitated and not limited.
    [0015] Furthermore, in order to guarantee good visibility of its man / machine interface and good accessibility of the various connectors, the energy workshop 100 comprises a functional interface strip 112, for example located at the bottom of the housing 110. To increase the modularity and reduce the connections, the power supply of the modules 200, 300, 400 of the FRTU 10 is also carried out step by step, via a daisy chain, similar to the transmission of information between said modules: only one of the modules, preferably the communication head module 200 is supplied via a connection on the functional strip 112, the others being connected by means of a connector that can be coupled to that of data transmission or, preferably, separated with power cables dedicated 240, possibly in the form of jumpers if the power supply terminals 245 fulfill similar spacing criteria as those described for trans terminals mission 205.
    [0016] In a preferred embodiment shown in FIG. 3, the supply module 100 thus comprises a housing 110 in two parts with, in addition to the functional strip 112, a main housing portion 114 substantially parallelepiped rectangle. The housing comprises a base 116, advantageously a folded sheet, forming the side walls 118 of the main housing portion 114 and the rear face 120 of the module 100. Said rear face 120 is intended to be fixed on a vertical wall, for example the box 20, and advantageously comprises embossed 122 which allow to hook on a DIN rail 124, preferably on two horizontal DIN rails present on the wall bracket; advantageously, bosses 126 are also formed in order to rest on said rails 124 to allow positioning parallel to the wall, and / or orifices 128 are adapted to accommodate a latch 130 on at least one of DIN rails 124. The housing 110 is closed by a first cover 132, in particular folded sheet, forming the front face 134 for receiving other modules 200, 300, 400 and the upper and lower faces 136 of the main housing portion 114. The upper faces and lower 136 are each provided with ventilation openings 138, which optimizes the natural convection and cooling of the supply components housed in the housing 110; the front face 134 is provided with means for fixing the other modules 200, 300, 400 of the equipment 100, advantageously a DIN rail 140. The housing 110 at the level of the functional interface strip 112 is closed by a second cover 142 provided with orifices 144 necessary for setting up the connectors and display elements of the man / machine interface; in view of this configuration, it is understood that the underside of the first cover 132 is narrower than the upper face. The second cover 142 is advantageously of insulating material or plastic to ensure insulation at the connectors. The housing 110 houses the means for transforming the energy received by the module 100, in the form of a printed circuit which is isolated from the metal cover 132 by suitable means, in particular a bottom insulator 146 doubling three walls of the housing 110 and an insulator intermediate 148 increasing the isolation distances, preferably plastic. Preferably, the means necessary to ensure the operation of the feed shop 100 are in the form of a single printed circuit board 150 which will be placed parallel to the bottom of the base 120 of the tele-driving equipment 10, all the functional elements being located on the same surface of said card 150 which limits the mechanical and manufacturing constraints; the single-board electronics also allows easier management of component references and their layout schema. The card 150 carries the various means necessary to ensure the operation of the power supply module 100, as well as elements providing preferred functions, in particular for controlling the parameters. In particular, the card 150 comprises an isolation transformer with respect to the LV, a rectifying and converting circuit for supplying a 12 V DC voltage from 220 V AC, and a battery charging circuit. 105. In addition, as required, the card 150 includes circuitry for measuring and controlling input and output currents and voltages. Advantageously, the card 150 also comprises a supervisory microprocessor and a charger circuit making it possible to supply a different current, in particular to the switches MT 5, as well as the means adapted for monitoring the battery as well as radiators or other cooling elements.
    [0017] These elements are completed by their access at the level of the interface cover 142 by: connecting means 170 to a supply LV, in particular single-phase; connection means 172 to a battery 105; connection means 245 for distributing the power supply, in particular 12 V, to intelligent electronic devices, or IED for "Intelligent Electronic Device", here the other modules of the equipment, and in particular the communication module 200; connection means 174 for supplying, in particular at 12 V, standard communication equipment, such as a radio 24; connection means for another power supply, in particular 24 or 48 V, for example for the motorization of the switches MT 5; connectors to sensors, for example a temperature sensor; connectors to inputs / outputs; dedicated connection means for a battery test on external load; addressing means, for example by an encoder wheel; status indicator electroluminescent diodes 176 (battery, connection of a module to one of the connectors, etc.).
    [0018] In particular, the power supply module comprises a port 180 dedicated to the communication directly with the communication module 200, in particular a connector for Modbus link, which may for example allow an updating of the monitoring / control processors; following the integration or not of the power supply module 100 in the communication loop 210, another RJ45 communication terminal 205 may be provided. The power module 100 is thus in flat form, serving as a mechanical support for other functions. The attachment on the rear face on two parallel rails DIN 130, one by hooking, the other by locking, allows to mount and dismantle the energy workshop 100 on its support without specific tools. In addition, the presence of gills 138 at the top and bottom of the hood 132 allows a natural convection of the energy workshop 100, without fan, while ensuring the IP2x degree of protection. Depending on the level of isolation by the application, the prescriber, the country, ... the rear face 120 of the power supply module 100 can be used to operate the heat sink equipment through the use of a heat seal . The arrangement of the communication modules 200 and monitoring 300, 400 on the DIN rail 140 on the front face, as well as the connector strip 112 of the energy workshop 100 allow simplified connections, easily accessible and visual, concentrating all the connection in the lower part of the power supply. As the modules 200, 300, 400 require in all cases a power supply, the fact that the latter mechanically supports them facilitates their integration by defining a common architecture, including if the option daisy chain is not retained. The superimposition of the modules 200, 300, 400 on the power supply 100 in the direction of the depth of the cabinet saves space compared to the usual solutions, given the exploitation of the depth, the least used dimension and which allows to gain functional volume.
    [0019] In particular, the modules 200, 300, 400 all have a similar profile, based on that of the various known electrical devices set up on DIN rails. It appears however that the modules 200, 300, 400 should preferably be adapted to show a man / machine interface, and to allow a number of connections.
    [0020] In particular, as illustrated in FIG. 4 and according to a preferred embodiment, in order to increase the connection surface, the profile of the module housings 200, 300, 400 is not rectangular, but comprises an oblique part. More specifically, the general shape of the module housings 200, 300, 400 comprises a bottom wall 32 provided with fastening means 34 on a rail, in particular on the DIN rail 140 of the feed module 100, a face wall 36 , opposite to the bottom wall 32 and for viewing the information, in particular to accommodate the human / machine interface 38 of the module, and two side walls 40 similar and intended to be contiguous to each other. The upper wall 42 can be located directly under the wall of a box 20 (see Figure 1B) and is preferably horizontal. As specified above, it is advantageous that the distance separating two side walls 40 of each housing 30 is a multiple of the same value, in particular to respect a pitch of 45 mm; Moreover, in order to satisfy the criteria of the maximum size of the prescribers, and taking into account the thickness of the supply module 100 which is added to it, it is preferred that the distance separating the bottom wall 32 from the wall of the face 36 is less than 140 mm; the height of the housing, corresponding to that of the bottom wall 32, is advantageously of the order of 140 mm, which leaves sufficient access to the strip 112 of the supply module 100, whether for the connections or for the visualization of the interface own audit module 100.
    [0021] The lower wall 44 is more specifically intended for connections. In order to increase its area and facilitate said connections, according to a preferred embodiment, the bottom wall 44 is in three parts. A front portion 46, substantially horizontal, is provided with connection terminals 205 for the daisy chain, preferably located at a constant distance from their respective edge at the edge with the side wall 40: in particular if the connectors 210 illustrated in connection with Figures 2 are used, the connection is easy. A bottom portion 48, also substantially horizontal, comprises access to a locking tab 34 'of the fixing means 34 on a rail and the connection terminals 245 for the supply. Between the bottom portion 48 and the front portion 46, the intermediate portion 50 is preferably oblique, which increases its length, and serves for the connections specific to the modules 200, 300, 400.
    [0022] The volume of the housing 30 must remain substantial to accommodate the various functional elements, and preferably the angle α between the bottom portion 48 and the intermediate portion 50 of the bottom wall 44 is of the order of 160 °. The front wall 36 is of sufficient length to be able to insert a man / machine interface 38 readable, including 77.5 mm in height. In an advantageous embodiment, the face wall 36 and the man / machine interface 38 form part of a functional assembly, or nose, 52 which is clipped onto the rest of the housing once it has been assembled: see also Figure 5B. Thus, in the preferred embodiment, two DIN rails 124 suitably spaced (for example with a center distance of 100 mm) take the place of wall support. The feed workshop 100 is hooked on the upper rail and is then fixed with a latch 130 secured to the metal base 116 of the housing 110 on the lower rail. Once attached to the support, the power supply module 100 can then accommodate on its DIN rail 140 located on the front face 134 the various modules 200, 300, 400 of the equipment 10 according to the invention. If the number of modules exceeds the capacity of said rail 140 (preferably 6 times the step, a dual module 200 and four 300 '4000 monitoring modules, it is possible to add another DIN rail directly on the wall bracket either in extension of the supply module 100 or below, the energy workshop 100 is then connected to its power supply sources 4, 105, to the external communication means that it is capable of supplying, to the operators of the switches 5 to supply and control, as well as the other modules 200, 300, 400 of the telecontrol equipment 10, as indicated, preferably, the supply workshop 100 is connected for the supply that the communication module 200, which will transmit the energy step by step preferably by a jumper system 240. The energy workshop 100 is also connected to said communication module 200 by a dedicated link 180 Modbus for exchanges of information specific requirements for monitoring and control of tele-driving equipment 10.
    [0023] In fact, it is the second module 200 which connects the monitoring modules 300, 400 to each other and to the outside world: this element 200 interacts in the upstream communication (to a control center SCADA 8, to a technician, to a storage system) but also in the downstream communication, that is to say the communication between monitoring modules 300, 400, with the energy workshop 100, with equipment 5, 9 thirds in the sub -station 6. As in the traditional offers of telecontrol for the management of the electricity networks MT 3, the communication means 200 can use several media (Ethernet, USB, GPRS, 3G, radio, ...) and several protocols (according to IEC standards, or Modbus / TCP, or even cyber-security according to IEC 62351), in order to give access to remote measurements and information, as well as to place orders to switches 5 in order to reconfigurations (following a defect, a change of schema a maintenance operation, load shedding before a transformer is overloaded ...). The communication means 200 implemented can manage the remote communication to the control center 8, local communication for on-site configuration, maintenance, or exchanges with other equipment located in the same substation 6, as a gateway, including a mesh for the internal exchanges of the product 10.
    [0024] Here, moreover, the communication means are housed in the same housing 250 forming a communication module 200, whose profile will be similar to that of the other modules in accordance with FIG. 4, and whose width is conventionally greater than the pitch, in particular 90 mm.
    [0025] In fact, according to a preferred embodiment, the functions provided by the communication module 200 are separated into two blocks: the upstream communication which concerns the transmission of information, in particular to a centralized management system 8 or to a radio 24 or other, and the rest, assimilated to the downstream communication, which thus concerns all the communication between the modules of the tele-driving equipment 10 as well as with elements of the MV / LV substation 6.
    [0026] The upstream communication is determined by the client of the equipment 10, according to its choice of protocol and medium (such as for example a communication by switched telephone network, or GSM, or radio communication 3G or FSK) and can evolve with the implementation up to date protocols or dedicated equipment. According to a preferred embodiment of the invention, the elements relating to the upstream communication, that is to say the "translation" in order to transfer the data in reception or transmission, are implemented in cassettes 252. Removable elements of the communication module 200. Thus, depending on the location of the equipment 10 and / or its updating, a suitable cassette 252 is chosen, inserted in a housing 254 adapted to the housing 250 so that the communication can take place. immediately be assured according to the correct protocol. The cassettes 252 comprise the means necessary for their function, associated as appropriate to the isolations, and preferably a man / machine interface 256 that is similar to each other, notably indicating the communication fault, the transmission and the reception, as well as certain specific functions. (As an electroluminescent attachment diode for the GSM cassette), a wire connection means 258 or possibly an antenna 258 '.
    [0027] Advantageously, the housing 250 of the communication module 200 comprises two slots 254 cassette insertion 252, one of which can remain unused, thus increasing the width of the module 200 but allowing more flexibility and usability, while providing a possibility of redundancy in case of failure of one of the media.
    [0028] The downstream communication is in turn implemented by appropriate electronic means, in particular a set 260 of electronic cards, for example each dedicated to functions or function blocks. Preferably, in order to allow an adaptation of the communication means 200, or even the monitoring modules 300, 400 and supply 100 connected thereto, the electronic assembly 260 comprises a microprocessor adapted to provide different services and that It is possible to update and / or reconfigure from the outside.
    [0029] In particular, the set of cards 260 carries the appropriate means for: the management of updates; management of interruptions and failures (start-up, tests, post-failure analysis); management of power supplies, inputs / outputs, including external LEDs and any temperature probes, human / machine interfaces, as well as power, to control the consumption of the module as well as the information given; the implementation of cyber security; the management of communication cassettes 252; the implementation of ancillary communication, such as WiFi or USB or Local Area Network (LAN) Ethernet communications to, for example, a basic web server providing an overview of the module's internal data for the installation or maintenance, or to a "slave" device to manage; and of course the communication with the other modules 100, 300, 400 of the telecontrol equipment 10. The arrangement of the cards of the assembly 260 is designed to integrate into a housing 250, a part of which must be able to remain "Empty" forming the slots 254 for receiving cassettes 252 which may or may not be delimited by housing walls. The housing 250 is thus clipped in several parts 250A, 250B, 250C around the electronic assembly 260, preferably with a nose 52 of removable interface. The connection means of the electronic assembly 260 open out of the housing by the oblique side 50 mentioned above; in view of the presence of the housing 254, said oblique side 50 connection may be present only on a portion of the thickness of the module 200 in extension of the nose 52 and the man / machine interface; the other part, located at the cassettes 252, can be simplified, and is intended rather for connections to third-party equipment 262 or WAN 262 '("Wide Area Network"), independent of the actual operation of the 10. A USB port 264 may also be provided for extending the memory of the microprocessor or for a video camera: the point connection is preferably implemented on a part of the card set 260 accessible. 254 of cassettes 252. Excluding the wireless communication means, such as a WiFi connection, and possibly with the exception of wired connection means 262, 264 to third-party equipment, connection and display means electronic assembly 260 are preferably all of the housing 250 on its lower face 44, including: the Modbus port 266 link with the energy workshop 100, entrs 268 for sensors (such as a temperature sensor or a door sensor) or relay, ... The two communication ports 205, respectively supply 245, common to the modules 200, 300, 400 are set up on the front portion 46, respectively bottom 48, of the bottom wall 44, one of the ports 205, 245 at least located at the predefined distance from the edge of the housing 250 which will come side by side with a monitoring module 300, 400 to use the jumpers 210, 240; the second communication port 205 'is intended to close the communication loop by an Ethernet cable and the second power port 245' is intended for a connection with the energy workshop 100: they can therefore be located at a distance different, connection jumpers 210, 240 can not be used. It appears advantageous here that the housing part comprising the slots 254 is the part at the top of the row of the telecontrol equipment 10. The man / machine interface 270 of the communication module is adapted to allow the user to display the status of the various functionalities implemented in and by the communication module 200, in particular via light-emitting diodes, such as the status of the communication functions (WiFi presence, alarm, etc.), the status of the main functions of the module 100 power supply (presence of different voltages, battery fault ...), the operation of other modules ... Push buttons allow activation or inhibition, and the manual realization of network automation devices such as devices of source permutation.
    [0030] In addition, the communication module 200 according to the preferred embodiment is configured to itself be able to communicate with an external tool for updating the software and certain configurations: a USB port 272 for the connection of a communication tool. configuration is integrated, preferably on the front and the man / machine interface 270. Advantageously, the USB port 272 is hidden by a flexible and removable captive joint 274. Some of the diodes can optionally be configurable via the microprocessor via the USB 272 port. This feature offered by the USB 272 port and reconfiguration also allows remote data recovery such as event logs, alarms, measurements, for diagnostics following events on the power grid. , which also offers opportunities for monitoring and material management of the installed park. This option, as well as the choice of upstream communication cassettes 252, makes it possible to upgrade the communication module 200, and more generally the telecontrol apparatus 10, as a function of the technological advances (such as the definition of new communication protocols). ), customer desiderata (as to the smart phones), but also according to the architectural changes of the network 1, being able to take into account the addition of new monitoring modules 300, 400 or others. Although open to these future developments, the offer remains reliable and secure, especially in terms of cyber-security because all communications pass through the dedicated module 200. In fact, in addition to communications to the outside and the module supply 100, the communication module 200 of course manages the information necessary for the telecontrol of the network MT 3. 11 receives the data collected by the monitoring module (s) MT 300 and transmits them any information necessary for the management of the network 3: in fact, a tele-driving offer is intended to detect malfunctions, in particular short-circuit type, in the network (s) MT 3, and to intervene on the network thanks to at least one switch 5 for example to isolate the section of the network in failure, and reconfigure the network 3 to minimize the number of customers impacted by the incident. In particular, when the switches 5 are motorized, the power supply module 100 is adapted to power their operation (via for example a transformation and a connection 24 or 48 V) as the communication module 200 can send the indication to 300 monitoring module concerned for actuation; alternatively, the power supply could be carried out via the control / command module 300 or the communication module 200 subject to a connection, for example also in daisy chain, supply 24 or 48 V.
    [0031] More generally, a tele-driving equipment comprises control / control means MT capable of performing the functions requested on the tracks, that is to say one of the lines comprising one of the switches 5 as illustrated in FIG. 1A. , which they monitor via links with MT 7 sensors placed therein, namely: detection of short-circuit (phase-phase or phase-to-earth) faults; network presence / absence management; management of the position of the switch 5; control (local or remote) of the switch 5 on closing and opening; possible consideration of network automation such as a PASA Automatic Power Source Switch or an Alarmed Decentralized Automation (ADA); monitoring MV currents and voltages, powers and energies. According to the preferred embodiment of the invention, in order to take full advantage of the modular architecture of the telecontrol equipment 10, each control / control module 300 only monitors one channel: this facilitates the connections in avoiding branching errors; moreover, although the usual prescription is typically 4 lanes (with a main arrival and an emergency arrival to a MT / BT 6 post as well as a departure to a next post and possibly one to another post), in fine Few channels are used in practice which results in unnecessary clutter and cost with appliances providing this default requirement. In addition, the housings 310 of single-channel MT control / command modules 300 are sufficiently narrow to be able to easily align three / four on the power supply module 100 if necessary.
    [0032] Furthermore, it is known that the means and methods for detecting defects depend on numerous factors: overhead or underground network, three or four-wire network, grounding of the neutral of the network, existence of a secondary network, presence or absence In addition, the type of sensors 7 varies according to the networks 3, just as the switches 5 can be motorized or not. According to the preferred embodiment of the invention, the electronic signal processing means picked up for the monitoring module 300 are adapted to be configured according to the implantation network: they may comprise one or more fault detection algorithms, preferably from those described in EP 2169799 or EP 2687860 for example, with selection means at the time of implantation; alternatively, the algorithms may be updated via a link such as an accessible USB port by removing the nose 52, or via the communication module 200.
    [0033] The microprocessor specific to the function of the monitoring module MT 300 advantageously uses a system identical to that of the communication module 200, in particular as regards the configuration managers, power, test, update, maintenance to analyze failures.
    [0034] In particular, the electronic means comprise a current card with the appropriate connection means 322, a voltage card with the suitable connection means 324, and a switch control card 5 provided with suitable connection means 326, which may be associated with each other. to control means of the associated motor 328. The means for determining the switch control, that is to say the fault detection, can be the subject of a dedicated card, or be located in the card order, or other solution; a connection for the update / selection can be provided directly on the control module MT 300 (in particular by removing the nose 52) or via the communication module 200. Of course, of course, the housing 310 also houses the elements adapted for the supply 245 and the communication 205, in particular by daisy chaining. The monitoring module MT 300 also comprises a man / machine interface, preferably associated with a nose 52 of the housing 310. The man / machine interface 340 is adapted to allow the user to view the status of various functionalities implemented. implemented in and by the monitoring module MT 300, in particular via light-emitting diodes 342, such as states, alarms, statuses of a network controller, local or remote control ... The man-machine interface 340 preferably schematizes the network 344 by indicating the status of the various elements (earthing switch, switch, presence voltage) by means of color. Push buttons 346 enable activation or inhibition, as well as local manual execution on the associated switch MT 5. Some of the diodes 342 may optionally be configurable via the microprocessor via the USB port or via the communication module 200. Thus, the tele-driving equipment 10 comprises standardized monitoring or control modules, 300 which are adaptable on any network 1, 3 in a simplified manner, either in terms of the number of modules 300 to use or the fault detection system and control / command to implement. Moreover, the telecontrol equipment according to a preferred embodiment of the invention also makes it possible to monitor the LV network 4. In fact, in the field of tele-driving electrical distribution networks 1, only the management the MT 3 network is usually considered, the stakes being mainly the continuity and the quality of distribution: as a defect in BT 4 impacts only a very limited number of customers, unlike the same defect in MT 3, only a passive observation The BT 4 network is sometimes implemented, most often by aggregating the data from the customer counters. It appears, however, that in view of the issues relating to energy efficiency and the integration of dispersed renewable energies, phase balancing or management of the LV voltage plan can become crucial.
    [0035] The coexistence within the same product of the MT and LV functions is classically excluded for reasons of isolation: typically a 10 kV isolation is required between the MT and LV groups. In the telecontrol equipment 10 according to the invention, the monitoring functions of the LV network 4 are integrated using autonomous LV sensors 410 and which communicate wirelessly, preferably according to the ZigBee protocol.
    [0036] Thus, the isolation between the groups of modules constituting the architecture is respected. As illustrated in FIG. 7, the sensors 410 used are preferably in the form of triplets of cores 412 opening each of which can be put in place without interrupting the network on one of the cables of the channel, in particular being adapted for cables 4A, 4B, 4C up to 27 mm. Preferably, the three cores 412 of a set of sensors 410 are associated with a communication base 414, which may also include a display interface 416, for example to check the status of the Zigbee communication.
    [0037] Advantageously, the configuration-specific elements for wireless data exchange pairing via the Zigbee protocol as well as the access points during the production tests are masked under a removable joint 418. The data of a set of 410 sensors are transmitted to the BT 400 monitoring module which thus comprises ZigBee receiving means 420 internal to its housing 430; preferably, the monitoring module BT 400 further comprises connection means 432 to a 9 'wire current sensor monitoring the secondary currents of the MV / LV transformer, to ensure a continuous measurement to enable the monitoring functions of the transformer, unlike the sensors 410 which may have a possible measurement discontinuity communicated to the module 400, due to a current level insufficient to ensure self-power. To fulfill its functions, the monitoring module BT 400 also comprises connection means 434 to a voltage sensor of the LV network 4, and preferably connection means 436 to temperature sensors. In fact, the BT 400 network control / command module, in addition to serving as a Zigbee communication gateway for its sensors 410, is adapted to fulfill some or all of the following functions: sensor management 410; - measurements of currents, voltages, powers (or power factor) and energies (active, reactive and apparent, total and per phase) in accordance with the standards indicated at the level of the arrival and departure BT 4, for a better management and a better balancing of the load plan; - Neutral detection cut off, presence / absence of voltage, fuse blown BT; - load balancing monitoring; - recording of waveforms; short circuit type LV fault indication indication, regardless of the 4A, 4B, 4C cable and for any earthing system; MT detection of a resistant earth fault or a broken conductor according to the principle described in document FR 2976363 for example; measuring the actual BT frequency. For this purpose, the monitoring module BT 400 is housed in its housing 430, of a shape similar to that of the monitoring box 310 MT and of course including the connection means 205, 245 for the communication and power supply daisy chains, as well as possibly a USB update port, accessible in particular by removing the nose 52, and electronic means, in particular in the form of a card, capable of performing the above functions. The electronic means of the monitoring module BT 400 can be adapted to be updated or modified by means of a microprocessor as described in connection with the MT 300 module, also via a direct communication by the communication module 200. to the monitoring module BT 400, the electronic means in fact comprise, as for the monitoring module MT 300, means for starting the module 400, means for managing the updates and configuration of the processor, means for reacting to a hardware failure, via a self-test, means for controlling the consumption of the module with respect to the power supply mode (battery 105 or network 4) of the equipment 10, means for analyzing, after failure, the internal events and giving a diagnosis, means for communicating with the other modules, or even means for giving a remote server an overview of the data module 400. Among the functions to implement, it is also possible to give information on the transformer station 6, information that will be communicated to the central manager 8, as the measurement of its temperature, the prediction of its end of life by temperature and load monitoring, controlling the position of its setting by monitoring the LV voltage level.
    [0038] Moreover, because of the implementation of the measurement and the monitoring of the LV and MV currents within the same telecontrol equipment 10, the detection of the fusible fusion of the transformer is facilitated, the LV and MV currents being available directly. via the communication 205: this detection can be implemented in the BT 400 and / or MT 300 module or directly in the central controller 8. Preferably, the electronic means are adapted to synchronize the signals from the reception means 420 in order to be able to manage the starting plurality, and for example to implement the method described in the patent application FR 13 61222 for monitoring power and energy on the plurality of BT starts with a single voltage measurement. Thus, it is possible to concentrate the control of several LV channels on the same module 400. Moreover, if the arrival of the LV switchboard and / or the feeders 4 are equipped with switches and circuit breakers 9, it may be possible to control via a dedicated communication, for example by the daisy chain or integrated commands via the communication module 200. Finally, the control module BT 400 also includes a man / machine interface, preferably associated with a housing nose 52. 430. The human / machine interface 440 is adapted to allow the user to view the status of the various functionalities implemented in and by the monitoring module BT 400, in particular via light-emitting diodes 442, such as states, alarms , the Zigbee communication status ... The man / machine interface 440 preferably schematizes the network 444 by indicating the statuses of the various elements (earthing switch, interrupter voltage, preferably by means of color. Preferably, the man / machine interface 440 of the low voltage module 400 is in the same form as the interface 340 of the MT module 300, except for the push buttons 346, to simplify the interpretation of the data by the user. Thus, thanks to the technological choices according to the preferred embodiment, it is possible to integrate a monitoring function up to twelve three-phase LV outputs in a telecontrol equipment 10 with a single BT 400 monitoring module. isolation are solved by using self-powered sensors communicating wirelessly. More generally, the various options taken in the preferred embodiment make it possible to provide a tele-driving equipment 10 satisfying the new challenges of the modern electrical distribution networks 1 and "smart" (or "Smart Grids"). The modular offer presented facilitates the coherence of the range between the different application contexts (underground vs. aerial network, taking into account distributed energy resources, extended supervision of the MT domain to the LV domain, etc.), while maintaining possibilities. evolution, both software and hardware. The choices of software and hardware modularity are reflected in the mechanics of the various constituent elements, but also their arrangement (distribution of the power supply for example) and their interoperability (exchanges of information between modules).
    [0039] In particular, the telecontrol equipment 10 comprises supply means 100, communication means 200, monitoring means MT 300 and monitoring means BT 400. Each of these means 100, 200, 300, 400 is preferably housed in a functional housing 110, 250, 310, 430, these modules being in DIN format and having the same profile 30 for those which are aligned, thus facilitating their assembly and optimizing the wiring of the connection of the solution, which is advantageously performed by Ethernet jumpers 210 similar to each other for the majority of connections: the solution is neither fixed nor constrained by a box 20, while being considered "banal" in the implementation.
    [0040] In particular, the solution proposed and illustrated in one embodiment in FIG. 8 is structured around: a power supply workshop 100 which supplies all the functions (electronics, radio / GSM, motorization of the switches) with the level of voltage required, from the BT network 4 and an auxiliary source provided by a battery 105 which it manages (charging, monitoring); the casing 110 of this energy workshop 100 serves as a mechanical support for the other modules, by integrating a DIN rail 140 on the front face; a communication module 200, which connects the modules together, but also with the outside world (to the control center 8, to the "cloud" and data storage applications for monitoring, to a computer for the technical personnel, to third equipment in substation 6 ...); this module supports different types of communication and different protocols, and provides cybersecurity functions; it also supports the database, and system functionality through a programmable logic controller workshop; at least one module 300 for controlling and controlling switches MT 5 which supports all the functions relating to a MT 3 start; at least one BT 400 monitoring module associated with a self-powered and wireless communicating sensor unit 410, or more. The supply of the modules 200, 300, 400 as well as the communication between them are preferably performed by daisy chaining, which further increases the possibilities of evolution and adaptation, while facilitating the installation and implementation. The requirements relating to cyber security and data encryption can thereby be directly integrated into the communication module 200 which manages all the exchanges. In addition, the various means of implementation of the control, monitoring, control, and communication are provided to be adapted to the customer's needs on site, depending on the network (including if it is at bidirectional flow) through software facilities, and updated via a common platform, including a processor in the communication module 200 that can be connected to any configuration tool, so that the equipment 10 can integrate the new features developed During his life. From the time of installation, the equipment 10 preferably includes the means for using the various media and communication protocols available, offering a better bit rate, an increased bandwidth and redundancy possibilities in the event of a failure. a communication network. The connection with third-party equipment is planned, as well as increased data storage (measurements, event logging, alarms), locally and / or remotely, via periodic transfers and backups.
    [0041] In the preferred embodiment, furthermore, an optimized management of the consumption of the equipment 10, by using "energy saving" modes on the microprocessors or using self-feeding principles, is integrated. In addition, the electronic systems implemented in the various modules 100, 200, 300, 400 may take into account the definition of localized control logic, in order to ensure new curative functionalities (such as self-healing following a defect) or preventative (such as load shedding in the event of peak consumption, or the possibility of relying on decentralized production nearby to relieve the main network), without necessarily having to systematically go back to the driving center 8.
    [0042] Although the invention has been described with reference to an optimized tele-driving equipment, it is not limited thereto: the various options implemented in the preferred equipment can be adapted for other electrical appliances, and the Tele-driving equipment may include variants for certain preferred elements.
    权利要求:
    Claims (13)
    [0001]
    REVENDICATIONS1. An electrical power supply module (100) for telecontrol equipment (10) comprising a housing (110) housing electronic means (150) which comprises: connection means (170) to a low voltage network (4), connecting means (172) to a battery (105), connecting means (245) for supplying electronic modules (200, 300, 400), and are adapted to transform the energy of the network (4) and the battery (105) to which they can be connected in power supply of the electronic modules (200, 300, 400) to which they can be connected, characterized in that the housing (110): - comprises a support face (120) for to be fixed on a wall support, and is closed for a first part (114) by a cover (132) having a front face (134) opposite to the support face (120) and provided with fixing means (140) for electronic modules (200, 300, 400), and for the second part (112) by a cover (142) comprising orifices (144) from which are accessible the connecting means (170, 172, 174, 245) electronic means (150).
    [0002]
    2. power supply module according to claim 1 wherein the cover (132) and the support face (120) are metallic, the cover (142) is insulating.
    [0003]
    3. power supply module according to claim 2 comprising means for isolating (146, 148) electronic means (150) relative to the cover (132) and the support face (120).
    [0004]
    4. power supply module according to one of claims 1 to 3 wherein the electronic means comprises a printed circuit board (150) which is housed parallel to the support face in the housing (110) .30
    [0005]
    The power supply module of claim 4 wherein the printed circuit board (150) further comprises a communication port (180), the cover (142) including an access port to said port (180).
    [0006]
    6. Power supply module according to claim 5 wherein the printed circuit board (150) further comprises display means (176), the second cover (142) comprising orifices adapted for said display means (176). .
    [0007]
    7. power supply module according to one of claims 1 to 6 wherein the means for fixing the front face (134) of the cover (132) comprise a DIN rail (140).
    [0008]
    8. power supply module according to one of claims 1 to 7 wherein the support face (120) comprises fastening means (122) with two parallel rails.
    [0009]
    9. power supply module according to claim 8 wherein the fixing means comprise latching means (122) on a first rail and locking means (130) on the second rail.
    [0010]
    10. power supply module according to one of claims 1 to 9 wherein the cover (132) comprises two side walls (136) provided with vents (138).
    [0011]
    Tele-conduit equipment (10) comprising a power supply module (100) according to one of claims 1 to 10 and at least one monitoring module (300) of a medium voltage network (3), said module monitoring device (300) being placed on the front face (134) of the cover (132) of the power supply module (100) via the fixing means (140) and being connected to the power supply module (100) by means of intermediate connection means (245) for supplying electronic modules of the power supply module (100).
    [0012]
    The telecontrol equipment (10) of claim 10 further comprising a communication module (200) provided on the front face (134) of the cover (132) of the power supply module (100) via the means fastening means (140) and connected to the connection means (245) for supplying electronic modules of the power supply module (100), said communication module (200) being furthermore connected to the monitoring module (300) so that the connecting the monitoring module (300) and the power supply module (100) in the form of a serial connection via the communication module (200).
    [0013]
    The telecontrol equipment (10) according to claim 12 wherein the power supply module (100) is according to claim 5, the communication module (200) is further connected to the power supply module (100) by via the communication port (180).
    类似技术:
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    同族专利:
    公开号 | 公开日
    RU2015125695A3|2018-12-24|
    US9515459B2|2016-12-06|
    EP2963746A1|2016-01-06|
    CN105281431A|2016-01-27|
    ES2817079T3|2021-04-06|
    BR102015015479A2|2016-01-05|
    CN105281431B|2019-08-02|
    RU2680591C2|2019-02-25|
    EP2963746B1|2020-08-05|
    RU2015125695A|2017-01-11|
    FR3023444B1|2018-02-16|
    AU2015203683B2|2021-02-25|
    US20160006223A1|2016-01-07|
    AU2015203683A1|2016-01-21|
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    法律状态:
    2015-06-24| PLFP| Fee payment|Year of fee payment: 2 |
    2016-01-08| PLSC| Publication of the preliminary search report|Effective date: 20160108 |
    2016-07-01| PLFP| Fee payment|Year of fee payment: 3 |
    2017-07-06| PLFP| Fee payment|Year of fee payment: 4 |
    2018-07-05| PLFP| Fee payment|Year of fee payment: 5 |
    2019-07-26| PLFP| Fee payment|Year of fee payment: 6 |
    2020-07-28| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1456312A|FR3023444B1|2014-07-02|2014-07-02|POWER MODULE FOR MODULAR TELE-DRIVING EQUIPMENT AND EQUIPMENT COMPRISING IT|
    FR1456312|2014-07-02|FR1456312A| FR3023444B1|2014-07-02|2014-07-02|POWER MODULE FOR MODULAR TELE-DRIVING EQUIPMENT AND EQUIPMENT COMPRISING IT|
    ES15170072T| ES2817079T3|2014-07-02|2015-06-01|Power module for remote control modular equipment and equipment comprising the same|
    EP15170072.1A| EP2963746B1|2014-07-02|2015-06-01|Power supply module for modular telecontrol equipment and equipment comprising same|
    US14/736,797| US9515459B2|2014-07-02|2015-06-11|Power supply module for modular telecontrol equipment and equipment comprising same|
    BR102015015479A| BR102015015479A2|2014-07-02|2015-06-26|power supply module for modular remote control equipment and equipment comprising the same|
    RU2015125695A| RU2680591C2|2014-07-02|2015-06-29|Power supply module for modular telecontrol equipment and equipment comprising same|
    AU2015203683A| AU2015203683B2|2014-07-02|2015-07-01|Power supply module for modular telecontrol equipment and equipment comprising same|
    CN201510382907.3A| CN105281431B|2014-07-02|2015-07-02|Power module for modular remote control equipment and the equipment including the power module|
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