移相控制软切换PWM开关电源设计

Design of Phase-Shifting Control Soft-Switching PWM Switching Power Supply

介绍一种移相控制软开关PWM开关式电源 ,简述了工作原理 ,讨论关键器件逆变变压器、谐振电感、谐振电容的参数设计问题 ,分布参数的影响下实现软开关的条件 .说明了常规器件和逆变变压器的设计原则 ,及谐振器件参数的确定方法 。

A soft switching PWM switching power supply of phase shifting control is introduced.Its working principle is explained simply.Designing of parameters of its key devices such as converted transformer,resonance inductance and capacitance,and conditions for soft_switching under the effect of distribution parameters are also disusssed.Principles of designing conventional parts and converted transformera and methods to determine resonant parameters are explained and their testing results is given.