This paper presents a feasible loss model to estimate IGBT losses in a soft switching operation. The loss model is developed based on the experimental determination of the power losses. The paper also investigates the power losses in IGBT's as a function of the circuit and its operation parameters, in order to help the device selection for a given application. In addition, it compares the losses produced by hard-switched and quasi-square-wave inverters for different currents. The study takes into account conduction losses, switching losses (turn-on and turn-off losses) and losses in the passive components.
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China Univ Petr, Coll Informat & Control Engn, Qingdao, Shandong, Peoples R ChinaChina Univ Petr, Coll Informat & Control Engn, Qingdao, Shandong, Peoples R China
Chen, Rong
Zhang, Jia-Sheng
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China Univ Petr, Coll Informat & Control Engn, Qingdao, Shandong, Peoples R China
China Univ Petr, Dept Elect Engn, Qingdao, Shandong, Peoples R ChinaChina Univ Petr, Coll Informat & Control Engn, Qingdao, Shandong, Peoples R China