• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    1521417 Inductors SIEMENS AG 15 June 1976 [4 July 1975] 24826/76 Headings H1T and H1M [Also in Division H2] An impedance having windings 45 and iron cores 44 is arranged together with resistors 46 in a metal screen 48 provided with insulating plates 50. Connection elements 51 are connected via lines 52 to the windings 45 and the resistors are cooled by cooling members 47 filled with coolant via a line 49. The screen is supported by insulating pins in a pressure cylinder 54 filled with SF 6 gas. A capacitor 56 provided with connectors 57 is mounted by insulating pins 58 in a metal pipe 59 filled with SF 6 gas. The pipe is provided with flanges 60 to enable the pipe to be bolted to other components of a high voltage D.C. transmission system.
    公开号:SU776581A3
    申请号:SU762348552
    申请日:1976-04-26
    公开日:1980-10-30
    发明作者:Шиллинг Курт；Шраудольф Манфред；Тиле Герд；Вебер Юрген
    申请人:Сименс Аг (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to the field of electrical engineering, in particular, to valve converters of high voltage, used, for example, in installations for the transmission of direct current of high voltage.
    Valve current transducers are known that contain groups of series-connected thyristors, Yu to which control units are electrically connected, and the assembly units of these valve current transducers have air or oil insulation, air or liquid cooling, and are used in rectifying low voltages, for example, in installations for transmitting high voltage direct current. 20
    When operating such installations in order to save space, structures of the smallest possible dimensions are required. This requirement can only be fulfilled by means of fully 25 sealed valves with a grounded housing, for which air insulation is unsuitable. Application of oil-cooled and oil-insulated valves with which rpyn-Q
    Thyristors or tyri (pyrocals / pillars of the valve are inserted into the tank with oil cooling, for the sake of safety, it is partly excluded because the oil is a combustible substance. In addition, it is difficult to repair, because for this it is necessary to open and empty the tank, therefore, the operation of the entire installation must be suspended.
    The closest technical solution to the invention is a valve current transducer containing modules consisting of groups of pill thyristors connected in series into columns, which, together with the appropriate control units and at least part of the switching blocks, are surrounded by a curved metal screen placed on the electrically insulating supports It is connected to it and placed into a hermetically closed and pressure-filled gas SFj, a cylindrical pressure pipe into which it is hermetically inserted electrical terminal 2.
    The known valve current transducer may be of a compact design and satisfies the security requirements, however, its installation and maintenance are difficult. In order to maintain such a current converter, for example, replacing an exhausted thyristor, it must be depressurized. the entire transducer, the pressure pipe is open and the tubular inserters are extracted, on which the modules are attached in order to open access to the thyristor groups. This maintenance requires a lot of time and thus long downtimes, which are undesirable with current converters designed for high-voltage rectifying installations. Therefore, in order to avoid large operating losses, the known converter relies on a greater number of thyristors, so that there is no need to take action for each thyristor failure. This is associated with high economic costs and, in addition, leads to the fact that the constructive dimensions of the transducer are larger than necessary.
    The purpose of the invention is to simplify installation and maintenance.
    The goal is achieved by the fact that in a valve-type converter of current, containing modules consisting of groups of pill thyristors connected in series into a column, which, together with corresponding control units and at least part of switching 6LOX1B, are surrounded by a curved metal screen placed on electrically insulating supports are connected and placed in a hermetically sealed and filled with pressure SFp gas a cylindrical pressure pipe into which you can hermetically insert an electrical outlet, each DUL1b is placed in a separate pressure pipe, having at least one side an element for a detachable MeHanich Yoskoto connection to an adjacent pressure pipe, and closed on both sides by a bulkhead of electrically insulating material, through which an electrical outlet is connected, sealed to an electrical outlet, inserted through overhanging the adjacent standpipe, whereby Tpynrnj THpHctogjOS, together with radiators placed between them, partly being the current leads, are held in the column by means of a spring.
    In addition, each pressure pipe is connected to an adjacent pressure pipe by means of a tubular nipple,
    tightly and detachably connected to
    specified pipe and closed bulkhead of electrically insulating material.
    In the wall of the nozzle is made ger yoShchybzaKRYVYMOE mounting hole TeyG.
    At least one of the tubular nozzles attached nodal support element.
    The node element is designed as a tubular, part with protrusions, p through which an electrical
    output and in the wall of which is made, hermetically closed. hole.
    The goal is also achieved by the fact that the Q-valve converter contains modules located on floors in two vertical columns, the pressure pipes of which are connected by a connecting tube filled with f SF gas (j and in which the electrical output goes).
    The connecting tube is made and - shaped.
    In the connecting tube there is a valve throttle section. 0 The goal is achieved, moreover, by the fact that pipe-shaped support elements are installed between the nodal elements of successive floors.
    Some of the support elements are filled under gas pressure S F, and contain a compensating capacitor.
    In addition, the pressure pipes of the modules of different floors are made of different diameters.
    Q In FIG. 1 shows a section through one current transformer vent module; in fig. 2 is a section A-A in FIG. one; in fig. 3 is a schematic side view of a current converter valve; in FIG. 5. 4 shows in section a connecting tube made in the form of a module; in fig. 5 is a sectional view of an embodiment of the support element in the form of a module; in fig. B and 7 schematically show another version of the design of a gate converter, respectively, from the side and from the front. .
    Valve current transducer contains at least one module 5 1 / which consists of at least one group 2 serially connected tablet thyristors 3, on each side of which is adjacent radiator 4. In this example, the thyristor column is cooled with the help of fluid pipeline 5. In other embodiments, gas-cooled radiators can also be used, with S g being used as the gaseous cooling medium.
    Placed one above the other: accurate thyristors 3 and radiators 4 are fixed with insulator b and pressure part 7 in frame 8. Radiators 4 at 0 both ends of the thyristor column are connected by wire 9 to electrical outlet 10. In this example, all radiators 4 are used to pass electric current and all pill thyristors 3 are connected in series. Each thyristor 3 is connected to the associated control and switching blocks 11. Electrical connecting wires between the tablet thyristors 3 and the control and switching blocks
    11 in fig. 1 for implicitness. Not indicated ....
    The thyristor columns and blocks 11 are surrounded by an axisymmetric metal screen 12, which in this version is a cylinder. At both ends of the metal shield 12, electrical connecting elements 10 are fastened with supporting plates 13 of insulating material 10. A pipeline 5 for the cooling medium also passes through one of the support plates 13. The support plates 13 can be made, for example, from casting resin. The metal screen 12 has a potential that approximately corresponds to the average potential of the thyristor column. An electrical output terminal that directs this potential to the metal shield 12, FIG. 1 is also not shown. Unlike the exemplary embodiment shown in FIG. 1, for each tablet thyristor 3 and corresponding controllers and switching units 11, a special metal screen may be provided with the screens spaced apart from each other. With such separate metal screens, each screen has the potential of a given tablet thyristor. As a consequence, the diameter of the metal. , the screen and the size of the structure can be further reduced, for which, however, much more detail is needed.
    By means of nozzles 14, which can be, for example, nozzles of casting resin, metal screen
    12 is fixed in a cylindrical pressure pipe 15, which is made of steel, aluminum - or copper. The delivery pipe 15 is filled with SF gas and grounded. A cylinder-shaped pressure pipe 15 has a favorable geometry for applying an internal pressure of module 1 and can be calculated with a relatively small wall thickness for a pressure of 2 to 3 bar, with which insulating gas S Fjj is introduced into module 1.
    At its both ends, the pressure cylinder 15 is connected by an annular flange 16 to an annular flange 17 of the nozzle 18, while a tight connection is provided between the annular flanges 16 and 17. In this exemplary embodiment, two different designs of nozzles 18 are shown. The nozzle 18 at the left end of the pressure pipe, the pipe 15 serves only for the separation of the pressure pipe and for the mechanical and electrical connection with the adjacent pressure pipe
    a pipe. The pipe 18 on the right end of the pressure pipe 15 is made, in addition, as a nodal element and mechanical support parts.
    Pipe-shaped pipe 18 is blocked - partition 19, made in the form of a flat plate of electrical insulation. material, such as cast resin, and located generally perpendicular and axisymmetric to
    - the middle axis of module 1. A connecting element 20 passes through the partition 19 in a gas-tight manner. The nozzle 18 of the next module 1 is fixed to the nozzle 18. Both nozzles 18 can be made of one piece or
    5 can be screwed together via an annular flange. The plug-in electrical connection between the two connecting elements 10 and 20 is made by the coupling 21, which is moved manually in the direction of the arrow 22. This provides an easily detachable plug connection between the electric connecting elements 10 and 20. This plug is.
    The 5th connection can be accessed through the mounting hole 23, made in the wall of the socket 18 and hermetically sealed with a lid 24. If such a module 1 has to be,
    Q, for example, due to a defect, removed and replaced, degassing is only defective module 1, open the mounting holes 23 in both nozzles 18, open the plug connections with the aid of the coupling 21 and then disconnect the screw connection between the annular flanges 16 and .17 . After that, module 1 can be removed and replaced with another, healthy module for several minutes. Equipped with
    With such modules, a current converter gate is easily accessible for service.
    Located on the right side of the porous cylinder 15, the nozzle 18 is in the part that faces the pressure pipe identical to the nozzle 18 located on the left side. In addition, this pipe 18 is made in. Quality mechanical support.
    P The device has a nodal element 25. The nozzle 18 has a tubular protrusion 26, which passes into the nozzle 18 of the next module 1. The protrusion 26 is equipped with two funnel-shaped connecting nipples 27,
     which can be screwed by means of an annular flange 28 to other modules equipped with pressure pipes. At the same time, unlike this example of implementation, in each
    0 a connecting nipple 27 may be provided with a separate web that seals the node. The electrical connecting element 20 through the tubular protrusion 26 passes through the partition
    19 pipe 18. Passing through the pipe-shaped protrusion 26 of the connecting element 20 is equipped with connecting elements 29, Kf access which is possible through the mounting hole 30 in the wall of the pipe-shaped protrusion 26 and which can be connected, for example, with a plug connection to an electrical connection element of another module. The mounting hole 30 is also sealed with a cover 31.
    The funnel nipples 27 can be connected with screws to the pressure pipes of the modules in which other electrical parts are installed, such as valve chokes sections or compensating capacitors, or they can be screwed to pipes in the form of supporting elements serving to mechanically support the current converter valve.
    The nozzles are provided with one hole for gas inlet or removal, one hole for the inlet 32 and the outlet 33 for the cooling medium, as well as the hole 34 through which the light guide 35 passes, through which the signal pulses are passed by the switching unit 11. The design of the inlet 32 and the outlet 34 holes and connections between the inlet ports 32 and the outlet 33
    The SLS of the delivery medium and the pipeline 5 for the cooling medium in FIG. 1 not
    For the same reason, the light conductor 35 is depicted only schematically
    Pipelines 36 for cooling
    medium suction pipe 37 may be. are installed in the cast resin pipe 14 and pass through the walls of the pressure pipe 15. Both the pipeline 36 and the light conductor 37 can be inserted into the pipes 14 in a spiral manner in order to lengthen the insulation path. If nozzles 14 of Casting Resin are used, then the light lines 3.7 can be poured into the nozzle 14
    and the window in the pressure cylinder 15 may be optically accessible.
    In the embodiment shown in FIG. 2, the metal screen 12 is made up of two bowls 38 and 39, having a generally semi-circular cross-section. Found friends against each other, the ends of the 40 bowls 38 and 39 are bent inward to obtain a good distribution of the field in the pressure pipe 15. With this design, the thyristor columns, control and switching blocks 11, which are located in the metal screen 12, are easily accessible. If the metal screen 12 is removed from the pressure pipe 15, the bowl 38 will only need to be removed or lifted in order for the blocks 11 and the thyristor columns to be available for long. This is further enhanced.
    eight
    convenience of repair and maintenance of the module.
    In this exemplary embodiment, the two thyristor columns 2 are located in the bowl 39 p1 with each other. In the same J bowl 39 there are mounting resistances 41 and mounting capacitors 42. In this case, the resistances 41 are cooled by the cooling medium of the pipeline 4. In the bowl 38 there are control and
    Q switching units 11. (The pins, by means of which the thyristor is fixed in the bowls 38 and 39: the pillars, as well as the mounting resistances 41, -the mounting capacitors 42 and blocks of Fig. 2 are not shown).
    five - .- - - , - . .: .1B fan converter shown in FIG. 3, in four floors 43-46, two modules 1, which are electrically connected in series, are located in rectangular shape. Both modules 1 in each floor are from 43 to 46 mechanically and electrically connected to each other by an anchor support element 25. Between floors 43-46 installed connecting tubes 47 and
    5, the support members 48 and 49. In addition, the connecting tubes 47 and the support members 48 are made in the form of a pressure head. . pipes equipped with structural elements and filled with SFg gas.
    0 Supporting elements 49 serve only
    for mechanical connection and support. With such a ycTppjftcTBe, a self-bearer can be obtained; a structure that does not require additional carcass. However, the additional frame may be provided and fixedly connected to the knotted elements 25 in the form of mechanical supports of the valve structure. In the connecting tubes 47, valve throttling sections are installed, which are necessary for the installation of the specified current converter valve. These valve throttling sections can also be inserted
    5 module.1. In this case, only a sealed electrical connecting wire is connected to the connecting tubes 47, which in series includes floors 43-46. The valve tube 47, which is filled with valve throttling sections, can also be designed as a module. Such a module is shown in section in FIG. 4. Equipping ferromagnetic
    e by the cores 50 of the winding 51 of partitioned chokes are installed together with the resistances 52 cooled by c. with the help of radiators 53, in a metal screen 54, which can be made similarly to the metal y ec0 12 (Fig. 2).
    Radiators 53 are filled with cooling medium through conduit 55. Coolant conduit 55 passes through one of the supporting plates 56 of insulating material, which
    cylindrical metal screen 54 closes on both sides. In these support plates 56 are also electrical connecting elements 57, connected by a wire 58 with the windings 51 throttle. The metal screen 54 is fixed to the electrical compartment with insulated support posts 59 in a metal pressure cylinder 60) filled with SF gas, which through the annular flange 61 can be connected with screws to the funnel-shaped connecting nipples 27 of the node element 25..
    The module can be blocked on both sides by a jumper through which the electrical connecting elements 57 are hermetically sealed.
    -In the supporting elements 48, compensating capacitors are installed (Fig. 6) for controlling the potential of floors 43-46 of the current converter valve. Support element 47 may be configured as a module. An exemplary embodiment of such a module is shown in FIG. 5 in section. A capacitor 62, equipped with electrical connectors: spruce elements 63, is fixed by electrically insulated support columns 64 in a pressure pipe 65 of metal filled with SFe gas, which can also be screwed through an annular flange 66 to the funnel-shaped connecting nipples 27 of the node 25. Pressure head pipe may also have on the sides of the lintel,
    With the modules described above, the valve of the current transducer can be mounted from unified assemblies (Fig. 3), consisting of a small number of parts of different types, manufactured serially. Different types of valves can be implemented with such modules, which significantly reduces the cost of manufacturing these valves. Moreover, with these modules, completely sealed, grounded valves of small sizes are obtained that can be used safely and reliably and are also easily accessible. for repair and maintenance. Modules 1 can be replaced at any time without degassing the entire installation. Modules 47 and 48 can also be replaced without difficulty. It should be noted here that modules 47 and 48 can also be degassed separately. In other words, in the node elements 25 in the funnel-shaped connecting nipples 27 there are interphase barriers. In addition, the volume of gas at such a valve of a static current converter is insignificant, since the pressure pipes should have only a diameter that corresponds to the potential of the valves;
    At the valve shown in FIG. 6 and 7, modules 1 are also located
    above the other in floors 43-46, however, the modules of successive floors adjoin one another, which increases the efficiency of the valve of the static current converter. Connecting tubes 47, in which also in this embodiment, valve throttling sections are installed, are bent U-shaped and filled under pressure with S.f. These U-shaped bent connecting tubes
    o 47. directly connected to, modules 1 detachable and hermetic. Between the two modules 1 of each floor is also installed the node 25, the lateral funnel-shaped connecting
    5 fittings 27 of which are withdrawn to the side and are connected with screws to fittings 67 supporting elements filled with SF gas or modules 48, which are also bent in a U-shape and in
    0 of which are compensating capacitors. These modules 48 are located on the side of the installed one. other modules 1 (Fig. 7). In addition, the pressure tubes of the modules in floors 43-46 have different diameters, which correspond to the potential of the thyristor columns in the respective floors. In this example of embodiment, it is provided that the connection of high voltage to the module is carried out in floor 43. The decreasing diameter of the tubes in the subsequent floors 44-46 corresponds to the potential inside the valve, which decreases relative to the ground potential.
    five
    The proposed valve current transducer consists of unified elements-modules, which are individually placed in the casing and filled with insulating gas. This ensures complete grounding and leaktightness of the design of the static static converter with small dimensions. Accidents caused by the use of combustible materials are eliminated, and the valve of the static power generator is easily accessible for repair and maintenance, since during repair it is not necessary to degasse the entire installation, but only the module that must be removed from the installation. Such replacement of modules takes little time (several minutes), so long breaks in operation are excluded. In addition, the valve pre- current generator consists of a few.
    5 kits that are made and can be used in various designs. days x current transducer, therefore, the manufacture of a valve current transducer is relatively cheap.
    0
    权利要求:
    Claims (2)
    [1]
    1. A valve current transducer containing modules consisting of groups of pill thyristors connected in series into a column, which, together with the corresponding control units and at least part of the switching units, are surrounded by a curved metal screen placed on an electrically insulating support, are electrically connected to it and placed a cylindrical pressure pipe in hermetically closed and filled with SF gas under pressure, into which an electrical outlet is hermetically inserted, which also differs with the aim of simplifying and installation and maintenance, each module is placed in a separate pressure pipe, having at least ONE side elements for detachable mechanical connection with an adjacent pressure pipe, and closed on both sides by a bulkhead of electrically insulating material, through which the electrical outlet is hermetically inserted detachably connected to an electrical outlet, inserted through the assembly of an adjacent standpipe, and the groups of thyristors, together with radiators placed between them, partly of current leads, They are located in the pole by means of a spring. 2. A current transducer according to claim 1, characterized in that each pressure pipe is connected to the adjacent pressure pipe by means of a tubular nozzle, tightly and detachably connected to said pipe and closed by a bulkhead of electrically insulating material. 3. Current transducer popp.1i. 2, on tlych and Yusch and and with. the fact that in the wall of the pipe is made tightly closed mounting hole. 4. A current transducer, according to pp 1 o t l and ch y and with the fact that at least one of the tubular nozzles attached nodal support element. 5. Current converter according to claims. 1 distinguished by the fact that / 7 fS 16 П 18322730 33 27 20 node element is designed as a tubular part with protrusions through which an electrical outlet passes and in the wall of which a hermetically closed opening is made. 6. A current transducer according to claim 1-5, characterized in that it contains modules located on floors in two vertical columns, the pressure pipes of which are connected by a connecting tube filled with gas -SFj and in which an electrical terminal passes. 7. The current transducer in PP 1-6, I distinguish ali with the fact that the connecting tube is made U-shaped. . 8. The current transducer according to claims 1-7, which is also due to the fact that there is a valve, throttle section in the connecting tube, 9. The current transducer on paragraphs. 1-8, characterized in that tubular support elements are installed between the node elements of successive floors. 10. Converter, current. on nn 1-9, characterized in that some of the supporting elements are filled under pressure with gas S Fj and contain a compensating capacitor. 11. Current converter nij. 1-10, excellent. The fact that the pressure pipes of the modules of different floors are made of different diameters. Information sources, . taken into account during the examination 1.Za Vk FRG number 563403, cl. 21 g 11/02, publ. 1974.
    [2]
    2. US patent 3398359, .. cl. 321-5, pub. 196.8 (prototype). 25 29 Jf
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    同族专利:
    公开号 | 公开日
    AT347534B|1978-12-27|
    DE2529954C2|1977-07-07|
    BE843599A|1976-10-18|
    GB1521417A|1978-08-16|
    CA1053749A|1979-05-01|
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    SE7607536L|1977-01-05|
    FR2316736A1|1977-01-28|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    FR1314016A|1960-11-28|1963-01-04|Westinghouse Electric Corp|High voltage dry rectifier battery shielding|
    US3209213A|1961-04-11|1965-09-28|Westinghouse Electric Corp|High voltage rectifier apparatus with corona suppression means|
    CA807271A|1965-10-20|1969-02-25|Paul Evans, Jr.|Semiconductor converter with cooling and shielding means|
    CH438466A|1966-05-17|1967-06-30|Bbc Brown Boveri & Cie|Spark gap built into a pressurized gas enclosure|
    US3497726A|1966-12-19|1970-02-24|Westinghouse Electric Corp|Firing circuits for series-connected thyristors|
    DE2348207A1|1973-09-25|1975-04-17|Siemens Ag|THYRISTOR COLUMN|CH601918A5|1976-09-29|1978-07-14|Schlatter Ag|
    JPS6216185B2|1978-10-04|1987-04-10|Denki Kagaku Kogyo Kk|
    JPS6229469B2|1979-10-02|1987-06-26|Asahi Chemical Ind|
    JPS5722305A|1980-07-16|1982-02-05|Tokyo Shibaura Electric Co|Ac/dc conversion station|
    JPS6154124A|1984-08-23|1986-03-18|Toshiba Corp|Sealed thyristor bulb|
    JPS6299705A|1985-10-28|1987-05-09|Hitachi Ltd|Optical fiber type distributing circuit and its manufacture|
    JPH0532726B2|1987-06-18|1993-05-17|Fujitsu Ltd|
    JP2585957Y2|1993-12-24|1998-11-25|株式会社ワコール|Clothing|
    US8189324B2|2009-12-07|2012-05-29|American Superconductor Corporation|Power electronic assembly with slotted heatsink|
    US10243452B2|2014-11-05|2019-03-26|Abb Schweiz Ag|Electromagnetic shield for use in a power system|
    CN108966623B|2018-08-10|2020-05-15|常州博瑞电力自动化设备有限公司|High-strength spliced converter valve shielding case|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE19752529954|DE2529954C2|1975-07-04|1975-07-04|DIRECTOR VALVE|
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