High-voltage DC power source bias excitation detecting device

The invention discloses a high-voltage DC power source bias excitation detecting device. The device comprises a power source output end. A rectifier is connected with the power source output end. A boosting transformer is connected with the rectifier. A high-voltage full-wave rectifier is connected with the boosting transformer. A high-voltage full-wave rectification circuit is used for rectifying a power source signal that undergoes boosting by the boosting transformer. A sampling output end is arranged in front of a primary winding wiring terminal of the boosting transformer. The sampling output end is connected with a bias excitation detector. The bias excitation detector is used for detecting whether bias excitation faults of the power source signal rectified by the rectifier occur. 本发明公开了种高压直流电源偏励磁检测装置，包括电源输出端；整流器连接于所述电源输出端；升压变压器连接于所述整流器；高压全波整流器连接于所述升压变压器，所述高压全波蒸馏电路用于对经所述升压变压器升压后的电源信号进行整流；其中，所述升压变压器的初级绕组接线端前设有采样输出端，所述采样输出端上连接有偏励磁检测器，所述偏励磁检测器用于检测经所述整流器整流后的电源信号是否发生偏励磁故障。