工频逆变器以其线路简单,易于初学者制作、调式,抗过载能力强,成本低,实用等优点,深受广大电子制作爱好者的青睐.
去年我用下图做了一个家用逆变器,把BG5换成LM7812的三端稳压,功率管用4对IRF150变压器是500W200、220、240、260V多抽头输出,一制即成,用来启动电脑和电视机毫不费力,只是带电风扇稍逊一筹.声音要大一些,转速慢一些.当停电时,搬出来就用.大家都没有电,唯独我家满屋亮堂堂的.爽啊,呵呵~~~
后来,充电时被小孩接通了逆变LM7812和4对IRF150还有滤波电容一齐完蛋了,我心都痛了.都怪我没有用继电器用来切换逆、充啊!

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