| 基于低开关损耗新型滞环PWM整流器研究 |
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| 引用本文： | 魏克新,汪水明,杜明星,牛智博. 基于低开关损耗新型滞环PWM整流器研究[J]. 电气传动, 2009, 39(11) |
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| 作者姓名： | 魏克新 汪水明 杜明星 牛智博 |
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| 作者单位： | 天津理工大学天津市复杂工业系统控制理论及应用重点实验室,天津,300384 |
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| 基金项目： | 天津市自然科学基金，天津市科学技术发展基金 |
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| 摘 要： | 针对三相高功率因数整流器的控制要求和实际工程条件,进行了基于低开关损耗的三相PWM整流器研究,系统采用了负载电流前馈的电流滞环控制策略.该系统不仅改进了传统滞环控制策略带来的高开关频率的问题,更引入了负载电流前馈控制,使得系统对于外环的PI参数有着较传统滞环PWM整流器更低的依赖性,在三相电网不平衡的条件下也表现更好的运行特性.仿真波形和实验数据都验证了该控制方法的有效性以及对PI调节参数的低依赖性.
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| 关 键 词： | 负载电流前馈 高功率因数 低开关损耗 PI参数 |
Research of New Hysteresis PWM Rectifier Based on Low Switching Losses |
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| WEI Ke-xin,WANG Shui-ming,DU Ming-xing,NIU Zhi-bo. Research of New Hysteresis PWM Rectifier Based on Low Switching Losses[J]. Electric Drive, 2009, 39(11) |
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| Authors: | WEI Ke-xin WANG Shui-ming DU Ming-xing NIU Zhi-bo |
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| Affiliation: | WEI Ke-xin,WANG Shui-ming,DU Ming-xing,NIU Zhi-bo(Tianjin Key Laboratory for Control Theory and Applications in Complicated Systems,Tianjin University of Technology,Tianjin 300384,China) |
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| Abstract: | According to the control requirement and actual project conditions of three-phase high power factor rectifier,the low switching losses three-phase PWM rectifier which adopts hysteresis current control strategy based on load current feed-forward control was researched.The system not only improve the high-frequency switching problem brought by conventional hysteresis control strategy,but also adopts load current feed-forward control to make the system has much lower dependence on the PI parameters of the oute... |
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| Keywords: | load current feed-forward control high power factor Low switching losses PI parameters |
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