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| A Novel Medium-Voltage Chop Cascade Rectifier |
| Jing Huabing1, Nian Xiaohong2 |
| 1. XiangYang CSR Electrify Technology System Co., Ltd Xiangyang 441100 China 2. School of Information Science and Engineering, Central South University Changsha 410075 China |
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Abstract By discussing the current cascaded circuit, this paper puts forward a novel kind of cascaded medium voltage rectifier based on IGBT. The composition of main circuit and control method were studied, the operation mode of this circuit topology and power unit is analyzed and researched, and the mathematical model and spatial matrix equation are derived. The controllability judgment of spatial matrix with different working condition was realized. This paper puts forward different operation modes of the cascade rectifier and also analyzes control pulse and circuit operation state with examples in one cycle. At last the simulation and experiments have been worked out to verify the effective control and regulation of output voltage and current by this kind circuit topology.
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Received: 11 May 2012
Published: 25 March 2014
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2013, Vol. 28 
