牵引机车用永磁同步电机断电-重投控制系统研究

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Abstract A closed-loop transient optimizing control system was investigated in this paper, to reduce the current and torque impacts of permanent magnet synchronous motor used in traction engines when passing split-phase insulator and rejoining on power with a high speed. Firstly, this paper analyzed the impact cause when power down-rejoining on based on transient mathematical model of PMSM, considering the influence factors of the harmonic part of PWM modulation and fundamental sine voltage. Accordingly, a special value was found for the power rejoining on given speed of the closed-loop control system. For the power rejoining on position, there was a real-time correction and compensation. The concept of analog inverter was introduced to reduce momentary mechanical shock caused by mechanical switch when power down-rejoining on. Lastly, this paper designed an optimization controller which had the functions of real-time monitoring, parameter correction and final decision. The experiments and simulations verified the designed rejoining on optimizing control system.

Key words： Permanent magnet synchronous motor power down-rejoining on optimizing control the voltage simulation control error compensating

Received: 27 April 2014 Published: 01 April 2016

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TM315

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	Gao Ya
	Liu Weiguo
	Luo Guangzhao

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Gao Ya,Liu Weiguo,Luo Guangzhao. Research of Power Down-Rejoining on Control System for Permanent Magnet Synchronous Motor Used in Traction Engines[J]. Transactions of China Electrotechnical Society, 2016, 31(6): 100-107.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I6/100

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