Transactions of China Electrotechnical Society  2020, Vol. 35 Issue (6): 1239-1250    DOI: 10.19595/j.cnki.1000-6753.tces.190135
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Virtual Motor System Considering Fault Characteristic Simulation and Its Control Strategy
Yang Qingwen1,2, He Shaomin1,2, Yang Huan1,2, Gu Xiaowei3, Zhao Rongxiang1,2
1. College of Electrical Engineering Zhejiang University Hangzhou 310027 China;
2. Zhejiang Provincial Key Laboratory of Electrical Machine Systems Zhejiang University;Hangzhou 310027 China;
3. School of Information Science and Technology Zhejiang Sci-Tech UniversityHangzhou 310018 China

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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 wordsVirtual motor      asynchronous motor      turn-to-turn short-circuit fault      quasi proportional resonant controller     
Received: 30 January 2019      Published: 27 March 2020
PACS: TM46  
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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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