基于IGBT特征量的结温在线提取方法对比分析  

Comparison and Analysis of IGBT On-line Junction Temperature Extraction Methods Based on Characteristic Variables

作　　者：唐林[1] 李中华[2] TANG Lin;LI Zhonghua(Electron and Electrical Engineering Deparment,Sichuan Vocational and Technical College,Suining 629000,Sichuan,China;Institute of Physics and Electronic Information,China West Normal University,Nanchong 637002,Sichuan,China)

机构地区：[1]四川职业技术学院电子电气工程系,四川遂宁629000 [2]西华师范大学物理与电子信息学院,四川南充637002

出　　处：《电气传动》2018年第4期75-80,共6页Electric Drive

基　　金：四川省教育厅2016年度科研课题(16ZA0376);四川职业技术学院课题(16ZA0376)

摘　　要：以电力电子装置设计与可靠性对其核心部件IGBT器件的结温在线提取需求为牵引,对IGBT器件结温在线提取方法进行了理论与仿真分析,主要包括:阈值电压、集射极饱和压降和关断时间结温在线提取方法的灵敏度、增量百分比及其实现在线提取的可行性,为实现电力电子装置中结温在线提取奠定了坚实基础。In view of the power electronic equipment design and reliability demanding for on-line junction temperature extraction of IGBT,the methods of on-line junction temperature extraction were analysed in theory and simulation,which mainly included the feasibility,increment percentage and on-line extraction sensiticity of threshold voltage,collector-emitter saturation voltage drop and turn-off time methods.This research lays a solid foundation as to carry out on-line junction temperature extraction in the power electronic equipment.

关 键 词：阈值电压 集射极饱和压降 关断时间 灵敏度 结温在线提取 

分 类 号：TN306[电子电信—物理电子学]