专利摘要:
The invention relates to electrical engineering, in particular to electric motors, and can be used both in power drives and in various automation systems, in particular, in a stepper drive. The purpose of the invention is to increase the torque per unit mass of the engine. The electric motor contains a stator 1 with new poles 2, on which the t-phase winding is located, made 2TpK (, 2,3, ...) equal alternating phase zones in the input of coils 3 one per pole, and in the active pole rotor 4 with poles 5. In each phase zone there are located n switched-on coils belonging to the same phase, where n 1,2,3 ..., the coils of the phase zones located through, when n is odd, are turned on according to, n even is opposite, and the numbers of poles of the stator and rotor are different by 2K. In the engine, a more uniform distribution of the stator and rotor poles is obtained due to the closer values of the numbers of these poles. 4 il. with SS
公开号:SU1403008A1
申请号:SU864037981
申请日:1986-03-17
公开日:1988-06-15
发明作者:Александр Федорович Шевченко
申请人:Новосибирский электротехнический институт;
IPC主号:
专利说明:

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The invention relates to electric machines, namely, synchronous electric motors, and can be used both in electric power drives and in automatic control systems, in particular, in a stepper motor drive.
The aim of the invention is to increase the moment per unit mass of the engine.
A: FIG. 1 shows the structure of the proposed engine; Fig. 2 - | winding switching circuit and the position of the excited poles of the stator and rotor at different times for a two-phase machine with fig. 3 VQ; for a three-phase machine; with fig 4 the switching circuit of the Yotka and the position of the excited field toB of the stator and rotor at the time of time t (Fig. 3) for a three-phase machine jjipH.

I The motor consists of a stator I with Aviovirazheinnymi poles 2 (), ijta which are located coils 3, United in phase and active roto-4 with poles 5. The rotor 4 can be performed with electromagnetic excitation or with excitation from permanent magnets.
The coil winding 6 of the engine is divided into 2tK phase zones (K 1.2, Z.,) o Coils 3 in each phase zone (the number of which is equal to 3.4) r belong to one phase. The coils of the 3 phase zones located at the neighboring poles 5 are connected in opposite directions. Coils 3 located through.
180 / K, at odd and oddly connected, and when n even is opposite, H | Isla, the stator and rotor poles differ by 2K.
The engine works as follows.
When the Phases of the motor are connected to the power supply, coils 3 begin to leak current, which excites the poles 2 of the stator of FIG.
P
five
0
0
five
and 4 shows the polarities of the excited poles 2 of the stator 1 at different times, from which it can be seen that the polarity of the poles 2 of the stator 1 changes over time and as a result of their interaction with the poles 5 of the rotor 4, it rotates. At the same time, the irregular p stats of the stator 1 between the poles 2 and 5 of the stator 1 and the rotor 4 are affected by the attractive force, and on the other half, the repulsive force. To this end, the coils of 3 phase zones located through when n odd are connected according to, and when n even is opposite. With this inclusion, the electromagnetic forces acting between the two poles 2 of the stator 1 and the poles 5 of the rotor 4 are directed in one direction.
In the proposed engine, the magnitude of the braking moment 5g is reduced and a more uniform distribution of the stator and rotor poles is obtained due to the closer values of the numbers of the poles of the stator and rotor. As a result, the magnitude of the net torque per unit mass of the engine is increased.
权利要求:
Claims (1)
[1]
Invention Formula
A synchronous electric motor containing a stator with innovative poles, on which a gas winding is located, is made in the form of coils located in 2tK equal alternating zones in a single coil per pole, where K 1,2,3 ... TeMj4To, in order to increase the torque per unit mass of the engine, in each phase zone there are n coils, where n 2, 3,4 ,, belonging to the same phase, coils in different zones, located on adjacent strips, are connected counter, coil phase zones located through 180 / K, when n is odd a, when n is even, - the counter and the number of stator and rotor podyusov differ by 2K "
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同族专利:
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RU2059994C1|1996-05-10|
引用文献:
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法律状态:
优先权:
申请号 | 申请日 | 专利标题
SU864037981|RU2059994C1|1986-03-17|1986-03-17|Synchronous motor|SU864037981| RU2059994C1|1986-03-17|1986-03-17|Synchronous motor|
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