| PR控制在抑制逆变器输出变压器直流偏磁中的应用 |
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| 引用本文： | 张海钰,王正仕,陈辉明.PR控制在抑制逆变器输出变压器直流偏磁中的应用[J].机电工程,2011,28(8):986-990. |
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| 作者姓名： | 张海钰 王正仕 陈辉明 |
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| 作者单位： | 浙江大学电气工程学院,浙江杭州,310027 |
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| 摘 要： | 逆变器输出变压器的直流偏磁会对逆变器、输出变压器以及交流负载产生不良的影响,严重威胁逆变器的可靠运行。针对逆变器输出变压器直流偏磁问题,提出了一种简单、实用的基于PR控制策略的数字信号处理器（DSP）实现方案,并在理论研究的基础上,通过一台50 Hz/3 kW单相逆变器验证了该方案的有效性。实验结果表明,该方案不但可以实现对直流偏磁的良好抑制,还可以实现控制系统良好的动、静态特性,具有很好的实用性。
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| 关 键 词： | 逆变器 变压器 PR控制 直流偏磁 数字信号处理器 |
Application of PR control in restraining DC magnetic bias for output transformer of inverter |
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| ZHANG Hai-yu,WANG Zheng-shi,CHEN Hui-ming.Application of PR control in restraining DC magnetic bias for output transformer of inverter[J].Mechanical & Electrical Engineering Magazine,2011,28(8):986-990. |
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| Authors: | ZHANG Hai-yu WANG Zheng-shi CHEN Hui-ming |
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| Affiliation: | ZHANG Hai-yu,WANG Zheng-shi,CHEN Hui-ming(College of Electrical Engineering,Zhejiang University,Hangzhou 310027,China) |
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| Abstract: | The inverter itself,output transformer and AC loads would be influenced greatly by DC magnetic bias for output transformer of inverter which threatens the reliable operation of inverter seriously.Thus,aiming at DC magnetic bias for output transformer of inverter,a simple and applied approach involving PR control achieved by digital signal processor(DSP) was proposed,and according to theoretical researches,the effectiveness was verified by a 50 Hz/3 kW single phase inverter.The experimetal results show that,... |
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| Keywords: | inverter transformer PR control DC magnetic bias digital signal processor(DSP) |
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