考虑故障特性模拟的虚拟电机系统及其控制

doi:10.19595/j.cnki.1000-6753.tces.190135

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Abstract AC motors are widely used in modern industry, and performance tests for motor drivers have received much attention. This paper presents a design scheme of a virtual motor system that uses a back-to-back converter instead of actual motor and its load. Since the operating conditions of AC motors are complicate, it is necessary to consider the transient processes and fault conditions. Therefore, the mathematical modeling and real-time simulation are difficult. This paper presented an asynchronous motor model considering stator winding fault, and selected quasi proportional resonant (QPR) controller for dynamic current tracking by the comparison of numerical calculation methods. Under the premise of digital control delay estimation, parameter optimization design was achieved with the goal of improving bandwidth and dynamic response capability. Simulation and experiments show that the virtual motor system can simulate port characteristics of asynchronous motor under normal conditions and the condition of stator winding turn-to-turn short-circuit fault. It can be used as an AC electronic load for the development and testing of motor drivers.

Key words： Virtual motor asynchronous motor turn-to-turn short-circuit fault quasi proportional resonant controller

Received: 30 January 2019 Published: 27 March 2020

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TM46

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	Articles by authors
	Yang Qingwen
	He Shaomin
	Yang Huan
	Gu Xiaowei
	Zhao Rongxiang

Cite this article:

Yang Qingwen,He Shaomin,Yang Huan等. Virtual Motor System Considering Fault Characteristic Simulation and Its Control Strategy[J]. Transactions of China Electrotechnical Society, 2020, 35(6): 1239-1250.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.190135 OR https://dgjsxb.ces-transaction.com/EN/Y2020/V35/I6/1239

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