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详细介绍了具有PFC的110V高频开关电源的系统结构、控制电路以及抑制电磁干扰的策略。该开关电源系统具有高功率因数、体积小、精度高、抗干扰能力强和高可靠性等优点,可作为机车用控制电源的更新换代产品。
The structure of the 110V high frequency switching power supply with PFC, the control circuit and the strategy of suppressing electromagnetic interference are introduced in detail. The switching power supply system with high power factor, small size, high accuracy, anti-interference ability and high reliability, etc., can be used as a replacement for locomotive control power supply.