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《Transactions of China Electrotechnical Society》 2007-10
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Controlled Vacuum Circuit Breaker for Shunt Capacitor Banks

Duan Xiongying Liao Minfu Ding Fuhua Liu Bin Zou Jiyan (Dalian University of Technology Dalian 116023 China)  
A controlled switching device for point-on-wave closing or opening of shunt capacitor banks for reduction of over voltage and inrush current is presented in this paper. The device is composed of a vacuum circuit breaker with independent-pole-operated permanent magnetic actuator (PMA) and a synchronous controller based on the digital signal processor TMS320LF2407A. Influences of mechanical variation, dielectric insulation characteristics and accuracy of control system on controlled switching are discussed. In this control device, the real-time acquisition of electrical parameters is adopted and the crossover point of reference signal is detected by average series for zero-crossover phase difference algorithm. Accompanied with improved appropriate switching strategy, the device can operate shunt capacitor banks on expected target point. The efficiency of the device is verified by a lot of controlled switching experiments on a 12kV power system test station.
【Fund】: 国家自然科学基金重点项目(50537010)
【CateGory Index】: TM561.2;TM762
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 ZHENG Xu,KANG Jian,DU Zhi,ZHANG Zhi,LIN Zhi-wei,LI Kai-yu(Hubei Electric Power Testing & Research Institute,Wuhan 430077,China);Study on Application of Synchronous Switching on/off Control Technology to EHV Power Net works[J];Hubei Electric Power;2008-02
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6 LU Chunyu,CHANG An,CHEN He(Maintenance & Test Center,CSG EHV Transmission Company,Guangzhou 510663,China);The Breaking Scheme of AC filters in Xingren Converter Station[J];Southern Power System Technology;2012-06
7 LI Ping,SONG Xiao(School of Electrical and Information Engineering,Anhui University of Science and Technology,Huainan 232001,China);Research of restraining of transformer excitation inrush current based on improved series closing resistance[J];Industry and Mine Automation;2013-04
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9 CUI Zhongning,WEN Yuanfang,TANG Bo,BIAN Zhiwen,FENG Tianyou(College of Electrical and Electronic Engineering,Huazhong University of Science and Technology,Wuhan 430074,China);Discussion on Breaker Overvoltage-control Measures for Elimination Closing Resistance[J];Water Resources and Power;2011-02
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Chinese Journal Full-text Database 2 Hits
1 CHEN Jian-ping, QIAN Yu-peng, WANG De-shan (Xi’an Senyuan Switch Technology Research Institute Co., Ltd, Xi’an 710077, China);Permanent Magnet Circuit Breaker Controller Design Based on DC Screen Power and Pulse Width Modulation[J];Electrotechnics Electric;2013-07
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