井下照明电源的新型单级三相高频隔离AC／DC变换器设计 .pdfVIP

学兔兔 煤 炭 工 程 2012年第8期 井下照明电源的新型单级三相高频隔离 AC／DC变换器设计 崔义森 ，李德俊 ，王 聪 ，党 楠 ，沙广林 (1．中国矿业大学(北京)信电系，北京 100083； 2．北京工业职业技术学院机电工程系，北京 100042) 摘 要：应用电力电子变压器可以实现煤矿井下660V／127V的电压变换，作为照明电源使 用。为了简化电力电子变压器的结构，降低电路损耗，文章介绍了一种新型的单级三相高频隔离 的AC／DC变换器及其控制方法——采用一个功率变换级同时完成PWM整流及高频隔离DC／DC 变换，并且通过软件仿真验证了该拓扑结构的可行性。最后，在此基础上完成了小功率电路的样 机实验及相关结论分析。结果表明，该变换器可以应用于煤矿井下照明电源的设计中。 关键词：三相PWM整流；高频隔离；DC／DC变换器 中图分类号：TM402 文献标识码：B 文章编号：1671—0959(2012)08-0014-03 New Single Stage Three Phase High Frequency Isolated AC／DC Converter for Illumination Power in Underground Mine CUI Yi—sen ，LI De—jan ，WANG Cong ，DANG Nan ，SHA Guang—Ijn (1．Department of Information Science and Electronic Engineering，China University of Mining and Technology(Beijing)， Beijing 100083，China；2．Department of Electromechanical Engineering，Beijing Polytechnic College，Beijing 100042，China) Abstract：The electric and electronic transformers could be applied to realize the 660V／127V voltage conversion in an underground coal mine for the illumination power of the mine．In order to simplify the structure of the electric and electronic transformer and to reduce the loss of the electric circuit，the paper introduced a new single three phase high frequency isolated AC／DC converter and the control method．The power conversion grade could complete the PWM rectification and high frequency isolated AC／DC conversion the software simulation was verified the feasibility of the topology structure．Finally，base on the