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| Three-Phase High Power Factor Rectifier Based on STM32 |
| Song Jiancheng1, Liu Guorui1, Fu Junqing2, Song Yufeng2, Fan Zhijian3, Huang Baozhu3 |
| 1. Taiyuan University of Technology Taiyuan 030024 China 2. Jincheng Anthracite Coal Mining Group Co., Ltd Jincheng 048000 China 3. Shangahai Zijian Electric Control Equipment Co., Ltd Shanghai 201317 China |
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Abstract In order to solve the problems in uncontrolled diode rectifier and phase-controlled rectifier such as current serious distortion, multi-harmonic and low power factor, a low-frequency equivalent mathematical model of three phase PWM(pulse width modulation)rectifier is established and the voltage-current dual loop PI(proportion integral)controller and, a reasonable PWM modulation strategy is designed based on the model in this paper. In addition, the model, controller and modulation strategy are verified through actual experiments and it is shown by the experiment results that AC-side voltage and current waveforms are almost in the same phase, that is higher AC-side power factor. In other words, PI regulator and control strategy are practicable and reasonable.
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Received: 11 January 2010
Published: 07 March 2014
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2011, Vol. 26 
