一种高精度大功率电镀电源设计
A design of high precision and high power electroplating power source
Abstract
针对传统电镀电源体积大、实现方式复杂以及输出纹波大的特点,提出了一种新型的dC/dC变换器,采用双闭环PWM实时控制方式,具有恒电流和恒电压两种工作方式。用该方法设计了一组9.6 kW电源模块,实验表明,电源输出纹波系数小于1%,效率达到90%。 The tradition electroplating power is large and the output ripple is big.This paper provides a circuit scheme that use high-frequency switch power supply.The double close-loop PWM control is adopted in control circuit.The power supply has two kinds of working patter,which are constant current mode and constant voltage mode.A group of 9.6 KW power supply module are designed.According to the experiments,the power output ripple coefficient is less than 1%,and the efficiency is 90%.