当输出滤波电感的电流在一个周期内不连续时，移相全桥PWM变换器就工作在电流断续模式（DCM）。
Phase-shifted full-bridge PWM converters work in discontinuous current mode (DCM), when the current of out-put filter inductor is discontinuous in one switching period.
直流电源柜：三相可控硅整流桥（SCR）、计算机数字脉冲触发板、平波电感、L、C滤波器等组成。
DC power supply cabinet: three-phase silicon-controlled rectifier (SCR), computer digital pulse triggers plate, flat-wave inductor, L, C filter, etc.
两个桥臂之间相位移发生变化时变压器和电感的感应电压以相反的方向变化。
The volt-second product in these components changes in the opposite direction with a change of phase shift between the two bridge legs.
通过监测、分析桥路直流电感电流和特定支路的电流，并对其波形进行傅里叶变换分析，实现对桥路故障类型的诊断及对故障桥臂的定位。
It can achieve fault diagnosis and fault location by monitoring the current of DC inductance and a specific branch and analyzing current waveform's Fourier transform.
通过监测、分析桥路直流电感电流和特定支路的电流，并对其波形进行傅里叶变换分析，实现对桥路故障类型的诊断及对故障桥臂的定位。
It can achieve fault diagnosis and fault location by monitoring the current of DC inductance and a specific branch and analyzing current waveform's Fourier transform.
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