| 对IGBT逆变器吸收电路的改进与仿真 |
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| 引用本文： | 王鹏程,郑建勇,尤鋆.对IGBT逆变器吸收电路的改进与仿真[J].电测与仪表,2009,46(10). |
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| 作者姓名： | 王鹏程 郑建勇 尤鋆 |
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| 作者单位： | 东南大学电气工程学院,南京,210096 |
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| 基金项目： | 国家863计划资助项目 |
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| 摘 要： | 本文在分析了传统IGBT逆变器吸收电路特点和工作原理的基础之上,结合IGBT在高频应用场合的开关特性,对传统IGBT逆变器吸收电路进行了改进.经过改进的IGBT逆变器吸收电路能够通过改变放电回路的放电电容,缩短吸收电容放电时间,在不降低吸收过电压效果的基础上,提高IGBT的工作频率,满足了IGBT逆变器在高频应用下的要求.最后,通过理论分析和电路仿真,验证了改进型吸收电路的有效性和适用性.
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| 关 键 词： | 逆变器 吸收电路 高频 |
Improved Design and Simulation of Snubber Circuits for IGBT Inverters |
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| WANG Peng-cheng,ZHENG Jian-yong,YOU Jun.Improved Design and Simulation of Snubber Circuits for IGBT Inverters[J].Electrical Measurement & Instrumentation,2009,46(10). |
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| Authors: | WANG Peng-cheng ZHENG Jian-yong YOU Jun |
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| Affiliation: | WANG Peng-cheng,ZHENG Jian-yong,YOU Jun(Department of Electrical Engineering,Southeast University,Nanjing 210096,China) |
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| Abstract: | Based on the analysis of the traditional IGBT inverters snubber circuit characteristics and working principle,with the combination of IGBT switching characteristics in the high-frequency applications,we give an improved design of snubber circuits for IGBT inverters.By changing the capacitor of discharge circuit,the improved snubber circuit can reduce the discharge time,improve IGBT switching frequency,and meet the requirements under the high-frequency applications without reducing the absorption effect of o... |
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| Keywords: | IGBT |
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