Device for uninterrupted-power-supply detection and differentiation of accuracy class of each secondary winding of 10kV current transformer

The utility model discloses a device for uninterrupted-power-supply detection and differentiation of accuracy class of each secondary winding of a 10kV current transformer. The device comprises a high-frequency signal oscillator, a frequency selection voltmeter dBv1, a frequency selection voltmeter dBv2 and a high-frequency signal injection and auxiliary measurement device, the high-frequency signal injection and auxiliary measurement device is provided with an isolation transformer and a voltage divider, the frequency selection voltmeter dBv1 is connected with the voltage divider, the high-frequency signal oscillator is connected with the isolation transformer, the high-frequency signal injection and auxiliary measurement device is connected with a connecting terminal in each secondary winding of the 10kV current transformer by adopting a wiring pile head, and the frequency selection voltmeter dBv2 is connected with each secondary winding of the 10kV current transformer. The device can realize uninterrupted-