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750kVA高功率密度二极管钳位型三电平通用变流模块的低感叠层母线排设计 被引量：46

Configuration of Low Inductive Laminated Bus Bar in 750 kVA NPC Three-level Universal Converter Module of High Power Density
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摘要 针对750kVA高功率密度二极管钳位型三相三电平IGBT变流模块的设计需求,用ANSOFT Q3D软件比较研究3类适用于多层母线排的叠层方案,并提出一种新颖的叠层母线排分组连接结构,结合特殊设计的缓冲电容布局,减小各IGBT模块的关断过冲,省去阻容吸收电路,并优化了高频电流在不同电容间的分布,抑制电解电容发热。通过理论计算与仿真两种方式计算该设计方案的杂散电感,并用实验加以证实。此功率模块在测试中体现了良好的应用效果,最后给出系统结构和实验波形。 This paper presented the bus bar design of a 750 kVA three-phase neutral point clamped three-level universal inverter module of high power density.ANSOFT Q3D was used in comparative evaluation for 3 types of multi-layer bus bar structures and a novel low inductive laminated configuration with divided connections was proposed for this inverter modules.Combined with specially arranged snubber capacitors distribution,reduced voltage overshoots across IGBTs at turn-off and lower loss within the electrolytic capacitors are achieved without any RC snubber,along with optimized high frequency current equalization.The stray inductance of the bus bar was calculated theoretically and in simulation as a contrast to the test results.Feasibility and improved performance are confirmed by experiments.
作者 汪鋆 杨兵建 徐枝新 邓焰 赵荣祥 何湘宁
机构地区 浙江大学电气工程学院
出处 《中国电机工程学报》 EI CSCD 北大核心 2010年第18期47-54,共8页 Proceedings of the CSEE
基金 国家自然科学基金重点项目(50737002) 浙江省重大科技攻关专项(2006C11005)~~
关键词 三电平变流模块 叠层母线 杂散电感 电磁兼容 three-level inverter laminated bus bar stray inductance electromagnetic compatibility（EMC）
分类号 TM64 [电气工程—电力系统及自动化]
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参考文献14

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二级参考文献18

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共引文献45

同被引文献274

引证文献46

二级引证文献228

中国电机工程学报
2010年 第18期

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