升降压电流型大功率脉冲电解电源设计

Boost-Buck Current Mode High Power Pulse Electrolysis Power Supply

设计了一种双闭环控制的大功率50 kHz单极性脉冲电解电源。设计的电流型并联斩波拓扑结构具备升、降压功能。控制单元采用电流内环、电压外环的双环反馈回路,实现了脉冲峰值电压、电流稳定的恒压、恒流控制。实验结果表明,该电源的脉冲电压、电流、频率及占空比连续可调,性能稳定。

A double closed-loop control of high power 50 kHz unipolar pulse electrolysis power supply is presented.The designed current-mode parallel chopper topology has Boost-Buck function.Control unit with current inner loop,volt-age outer loop of the double loop feedback circuit has realized the stable constant voltage and constant current control of pulse peak voltage,current.The experimental results show that the power of pulse voltage,current,frequency and duty ratio are continuously adjustable and stable in performance.