Non-magnetizing inrush current switching-on control device for transformer and test method

The invention discloses a transformer non-excitation inrush current closing control device and a test method, and the control device comprises a circuit breaker opening and closing time test unit, a circuit breaker opening and closing control unit, a transformer demagnetization/magnetic injection unit, a voltage waveform detection unit, a closing excitation current detection unit, a CPU control unit, and a human-computer interaction interface. The output ends of the breaker opening and closing time test unit, the voltage waveform detection unit and the closing excitation current detection unit are respectively connected with the input end of the CPU control unit, and the output end of the CPU control unit is respectively connected with the input ends of the breaker opening and closing control unit and the transformer demagnetization/magnetism injection unit. And the circuit breaker opening and closing control unit is connected in series with the circuit breaker closing loop. According to the invention, the ma