A Novel Design of Soft Switching Based on Three-Phase Current Source Inverter

Abstract:

This paper presents a novel soft switching topology and its control method applied on three-phase current source inverter. The main switch transistors of the inverter can be achieved in soft switching on the current pass-through step, which can reduce switch stress and improve efficiency. The soft switching circuit consists of two auxiliary switch transistors and some passive devices, such as inductor, capacitor and diode. It has many advantages as follows, simple control, fewer devices, high reliability, and so on. This paper analyzes the principle of soft switching circuit, and simulate by using the current space vector control method with MATLAB. The simulation results demonstrate the feasibility of the method.

• Periodical: Applied Mechanics and Materials (Volumes 433-435)
• Pages: 1218-1225
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.433-435.1218
• Online since: October 2013
• Authors: Zhong Hong Shen, Lin Yang, Qun Xing Liu, Wen Li Zhu, Chun Xu Jiang, Xiao Kang Chen
• Keywords: Current Source, Current Space Vector, Soft Switching, Three-Phase Inverter

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