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Front. Inform. Technol. Electron. Eng.  2013, Vol. 14 Issue (4): 296-310    DOI: 10.1631/jzus.C1200283
    
Predictive current control of multi-pulse flexible-topology thyristor AC-DC converter
Da-min Zhang, Shi-tao Wang, Hui-pin Lin, Zheng-yu Lu
School of Electrical Engineering, Zhejiang University, Hangzhou 310027, China; State Grid of China Technology College, Jinan 250002, China
Predictive current control of multi-pulse flexible-topology thyristor AC-DC converter
Da-min Zhang, Shi-tao Wang, Hui-pin Lin, Zheng-yu Lu
School of Electrical Engineering, Zhejiang University, Hangzhou 310027, China; State Grid of China Technology College, Jinan 250002, China
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摘要： This paper proposes a novel multi-pulse flexible-topology thyristor rectifier (FTTR) that can operate over a large voltage range while maintaining a low total harmonic distortion (THD) in the input current. The proposed multi-pulse FTTR has two operating modes: parallel mode and series mode. Irrespective of the mode in which it operates, the multi-pulse FTTR maintains the same pulses in the load current. To mitigate the harmonic injection into the AC mains, the topology-switching mechanism is then proposed. In addition, predictive current control is employed to achieve fast current response in both the transience and the transitions between modes. To verify the effectiveness of the multi-pulse FTTR as well as the control scheme, performance analysis based on an 18-pulse FTTR is investigated in detail, including fault tolerance evaluation, current THD analysis based on IEEE standard, and potential applications. Finally, a simulation model and the corresponding laboratory setup are developed. The results from both simulation and experiments demonstrate the feasibility of the proposed multi-pulse FTTR as well as the control scheme.
关键词： Flexible-topology operation;  Multi-pulse thyristor rectifier;  Predictive current control;  Fast current response;  Fault tolerance evaluation    
Abstract: This paper proposes a novel multi-pulse flexible-topology thyristor rectifier (FTTR) that can operate over a large voltage range while maintaining a low total harmonic distortion (THD) in the input current. The proposed multi-pulse FTTR has two operating modes: parallel mode and series mode. Irrespective of the mode in which it operates, the multi-pulse FTTR maintains the same pulses in the load current. To mitigate the harmonic injection into the AC mains, the topology-switching mechanism is then proposed. In addition, predictive current control is employed to achieve fast current response in both the transience and the transitions between modes. To verify the effectiveness of the multi-pulse FTTR as well as the control scheme, performance analysis based on an 18-pulse FTTR is investigated in detail, including fault tolerance evaluation, current THD analysis based on IEEE standard, and potential applications. Finally, a simulation model and the corresponding laboratory setup are developed. The results from both simulation and experiments demonstrate the feasibility of the proposed multi-pulse FTTR as well as the control scheme.
Key words: Flexible-topology operation    Multi-pulse thyristor rectifier    Predictive current control    Fast current response    Fault tolerance evaluation
收稿日期: 2012-10-14 出版日期: 2013-04-03
CLC:  TM921  
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Da-min Zhang
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Da-min Zhang, Shi-tao Wang, Hui-pin Lin, Zheng-yu Lu. Predictive current control of multi-pulse flexible-topology thyristor AC-DC converter. Front. Inform. Technol. Electron. Eng., 2013, 14(4): 296-310.

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http://www.zjujournals.com/xueshu/fitee/CN/10.1631/jzus.C1200283    或    http://www.zjujournals.com/xueshu/fitee/CN/Y2013/V14/I4/296

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