| 一种三电平IGBT逆变器吸收电路的研究 |
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| 引用本文： | 王俊炎,胡安,孙驰.一种三电平IGBT逆变器吸收电路的研究[J].船电技术,2010,30(4):1-6. |
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| 作者姓名： | 王俊炎 胡安 孙驰 |
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| 作者单位： | 海军工程大学电力电子技术研究所,武汉,430033;海军工程大学电力电子技术研究所,武汉,430033;海军工程大学电力电子技术研究所,武汉,430033 |
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| 摘 要： | 本文指出了一种三电平IGBT逆变器简化吸收电路工作时存在的两种瞬时短路过电流现象，对此短路电流产生的原因进行了分析；提出了一种用于二极管箝位型三电平主电路半桥测试方法，该方法模拟了三电平电路含有死区时间的各种实际开关工作状态。利用该测试方法，对该吸收电路进行了测试，仿真和实验证实了此短路电流的存在及该测试方法的有效性。
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| 关 键 词： | 三电平逆变器 吸收电路 测试方法 |
Research on a Snubber Circuit for Three-level IGBT Inverter |
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| Wang Junyan,Hu An,Sun Chi.Research on a Snubber Circuit for Three-level IGBT Inverter[J].Marine Electric & Electronic Technology,2010,30(4):1-6. |
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| Authors: | Wang Junyan Hu An Sun Chi |
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| Institution: | (Research Institute of Power Electronic Technique and Application, Naval University of Engineering, Wuhan 430033, China) |
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| Abstract: | In this paper, two kinds of current overshoot phenomenon in a snubber circuit for three-level IGBT inverter are indicated. The reasons for this over-current are analyzed. A new testing method for diode clamping three-level inverter is proposed. In this method, the three-level circuit contains a variety of dead-time of the actual switching state is simulated. It is proved by Simulation and prototype experimental results that the testing method proposed is validly and feasibly. |
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| Keywords: | three-level inverter snubber circuit testing method |
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