Optimization of DC-Link Capacitance Based on the Power Loss Modeling of IGBT for Inverters Under Swing Bus Operation

Yi Liu,Xuejun Zhang,Meng Huang,Xiaoming Zha

IEEE Journal on Emerging and Selected Topics in Circuits and Systems（2022）

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摘要

The power density and reliability of the inverter can be improved with reduced DC-link capacitance by swing bus operation, etc. With insufficient DC-link capacitance, a double line frequency voltage ripple will be superimposed on the DC link, but how this voltage ripple affects the power loss of the IGBT in the inverter system has been seldom discussed. This paper analyzes the influence of voltage...

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关键词

Insulated gate bipolar transistors,Capacitance,Germanium,Switches,Inverters,Capacitors,Temperature

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