UC3875在移相式零电压PWM软开关电源中的应用  

Application of UC3875 in PWM Soft Switching Power Supply of Phase-shift Zero-voltage

作　　者：杨旭丽[1] 

机构地区：[1]湖南铁道职业技术学院,湖南株洲4120001

出　　处：《电气开关》2008年第2期46-49,51,共5页Electric Switchgear

摘　　要：采用UC3875作控制的移相式零电压PWM软开关电源,具有高频、高效节能、体积小等优点,同时电源工作波形干净,减少了输出电压的脉动分量,抑制了开关尖峰嗓声,且运行可靠。The phase-shift zero-voltage PWM soft switching power supply controlled by UC3875 is of adventages of high frequency, high efficiency, energy conservation and small volume. Meanwhile the work wave forms of the power supply are clean ,reduce pulse component of output voltage, control switching spike noise and reliable in operation.

关 键 词：移相控制 UC3875单片机 

分 类 号：TM76[电气工程—电力系统及自动化]