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在逆变焊机发展现状的基础上，指出采用零电流开关（ＺＣＳ）和零电压开关（ＺＶＳ）技术是进一步提高开关频率的中心课题和关键技术，并对零开关技术的三种主要方案进行了述评，指出了发展方向。
Based on the current situation of inverter welding machine, it is pointed out that ZCS and ZVS are the key topics and key technologies to further improve the switching frequency. Three main schemes of zero-switching technology The review, pointed out the direction of development.