逆变器、并网模式孤岛系统、电阻滤波、防静电逆变电源、UPS电源等储能电源；
Inverter, grid connected mode island system, resistance filter, anti - static inverter power supply, UPS power supply, etc. ;
对外电路而言，在基波频率下有源滤波器被控制为无限大阻抗，在谐波频率下被控制为小电阻。
The active filter acts as an infinite impedance to the external for the fundamental frequency and as a low resistor for harmonic frequencies.
引起开机即烧保险的几个元件分别是滤波电容、消磁电阻、行管等。
Insurance boot that is caused by burning a few components are filtering capacitors, resistors degaussed, such as line pipe.
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