Study on Losses Calculation and Design of DC Boost Chopper

Abstract:

In view of the cooling of Insulated-gate bipolar transistors (IGBTs) in the parallel DC boost chopper, this paper presents a method to calculate the power loss of IGBTs. It involves functions of equivalent heat circuit of liquid cooling system based on the similarity theory, and the design of the parameters in the cooling system for DC boost chopper. It solves the problems of parameters designing of liquid-cooled heat sink. Taking the cooling system of IGBTs as an example, the experiment shows that the cooling system based on this method has excellent performances in the worksite, and the method is practical and effective.

• Periodical: Applied Mechanics and Materials (Volumes 727-728)
• Pages: 546-552
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.727-728.546
• Online since: January 2015
• Authors: Zhuo Zhang*, Qin Ruo Wang, Cheng Zhang
• Keywords: Cooling Plate, Liquid Cooling, Loss Calculation, Thermal Resistance Calculation

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