中压矿用变频器主电路损耗分析及散热设计  

Loss Analysis and Thermal Design of Mid-Voltage & Mine-Used Inverter Main Circuit

作　　者：李文顶[1] 莫锦秋[1] 曹家勇[1] 

机构地区：[1]上海交通大学机械与动力工程学院,上海200240

出　　处：《机电工程技术》2009年第7期85-87,共3页Mechanical & Electrical Engineering Technology

基　　金：上海交通大学与煤炭科学研究总院上海分院合作项目"防爆型矿用大功率变频器研究"

摘　　要：对矿用变频器主电路器件损耗做了全面分析,用线性近似法对IGBT进行损耗分析,分析了功率器件内部热源与外界环境之间的热流路径,并在此基础上设计出了水冷散热器。实验表明,该散热设计使变频器具有很好的散热效果,可满足工业实际应用的要求。This paper puts forward an accurate calculation method for the power devices that is used in the mid-voltage & high-power inverter.Heat path between the heat source of power device and external environment are analyzed in this paper,and a water cooling radiator is designed based on the calculation and analysis.The results of the experiment show that inverter have a good heat dissipation effect with the radiator,and can satisfy the demand in industrial application.

关 键 词：IGBT 功率损耗 热流路径 散热设计 

分 类 号：TN773[电子电信—电路与系统]