开关电源保护电路的研究

Research on Safeguard Circuit of Switches Power Supply

开关电源保护电路关系到电源的安全性和可靠性。本文较系统地研究了开关电源的防浪涌电流的软启动电路,防过压、欠压、过热、过流、短路、缺相等的保护电路。并研究了各种保护电路的综合应用及其注意事项。为开关电源的设计和保障开关电源安全可靠工作提供了经验。

Safeguard circuit in switches power supply is of vital importance to the safcty and reliability of source. It is researched that surge current,over voltage,owe voltage,over heat,over current,short circuit,off phase safeguard circuit etc in switches power supply. Multipurpose use and matters needing attention of each safeguard circuit is researched too. Theexperienee is provided for deign and safety work of switches power supply.