100-C43KP10超值现货

100-C43KP10超值现货

100-D250EA11超级备件

100S-D140EA22C备件超低

1370-DBL74大帅备件

变频器工作原理就是这样，但它到底怎么实现的呢？主要是由其三个组成部分完成的。（1）将工频电源变换为直流功率的"整流器"：它把工频电源变换为直流电源。也可用两组晶体管变流器构成可逆变流器，由于其功率方向可逆，可以进行再生运转。（2）吸收在变流器和逆变器产生的电压脉动的"平波回路"：在整流器整流后的直流电压中，含有电源6倍频率的脉动电压，此外逆变器产生的脉动电流也使直流电压变动。（3）将直流功率变换为交流功率的"逆变器"：同整流器相反，逆变器是将直流功率变换为所要求频率的交流功率，以所确定的时间使6个开关器件导通、关断就可以得到3相交流输出。

[福州卓凯电子科技有限公司 公司聯络人：小李(销售工程师)]
[销售热线Tel： 0591-62182520 ]
[销售热线Phone： 13696852881 ]
[销售热线聊天软件： 1273632994 ]
[销售热线Fax： 0591-62032566 ]

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