Research on Sensorless Control Method of Synchronous Reluctance Special Motor Based on High-frequency Square Wave Voltage Injection

Liu Yiyi; Peng Renyong; Wang Zhaosu; Wang Chunlei; Chen Meiyuan; Yu Haitao; Tang Shihan

doi:10.13832/j.jnpe.2023.S2.0080

Volume 44 Issue S2

Dec. 2023

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Article Navigation > Nuclear Power Engineering > 2023 > 44(S2): 80-85

Liu Yiyi, Peng Renyong, Wang Zhaosu, Wang Chunlei, Chen Meiyuan, Yu Haitao, Tang Shihan. Research on Sensorless Control Method of Synchronous Reluctance Special Motor Based on High-frequency Square Wave Voltage Injection[J]. Nuclear Power Engineering, 2023, 44(S2): 80-85. doi: 10.13832/j.jnpe.2023.S2.0080

Citation:

Liu Yiyi, Peng Renyong, Wang Zhaosu, Wang Chunlei, Chen Meiyuan, Yu Haitao, Tang Shihan. Research on Sensorless Control Method of Synchronous Reluctance Special Motor Based on High-frequency Square Wave Voltage Injection[J]. Nuclear Power Engineering, 2023, 44(S2): 80-85. doi: 10.13832/j.jnpe.2023.S2.0080

Citation:

Liu Yiyi, Peng Renyong, Wang Zhaosu, Wang Chunlei, Chen Meiyuan, Yu Haitao, Tang Shihan. Research on Sensorless Control Method of Synchronous Reluctance Special Motor Based on High-frequency Square Wave Voltage Injection[J]. Nuclear Power Engineering, 2023, 44(S2): 80-85. doi: 10.13832/j.jnpe.2023.S2.0080

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Research on Sensorless Control Method of Synchronous Reluctance Special Motor Based on High-frequency Square Wave Voltage Injection

doi: 10.13832/j.jnpe.2023.S2.0080

Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu, 610213, China

Received Date: 2023-07-11
Rev Recd Date: 2023-08-30
Publish Date: 2023-12-30

Abstract

Abstract

Aiming at the phenomenon that the position sensor of synchronous reluctance special motor is prone to failure or large error in rotor position detection under high temperature, high pressure and strong radiation, a sensorless control method is proposed to detect the position of synchronous reluctance special motor without relying on the position sensor. On the basis of vector control, the positive and negative alternating high-frequency square wave voltage signals are injected into the estimated d-axis, and corresponding high-frequency response current is generated in the estimated q-axis. The high-frequency response current contains the rotor position information of the motor. The rotor position information can be estimated through the rotor position observer, and the sensorless control of synchronous reluctance special motor can be realized. The simulation results show that the proposed method can achieve accurate control of the synchronous reluctance special motor under high temperature, high pressure and strong radiation conditions, and has the advantages of fast convergence, high accuracy and easy engineering implementation.
- Synchronous reluctance (SynR),
- Special motor,
- Sensorless control,
- High frequency square wave voltage injection

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References(10)

References

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