Wiring verification method and device for transformer substation

The invention discloses a wiring verification method and device for a transformer substation. The method comprises the steps of collecting reference voltage sampling signals and voltage sampling signals and current sampling signals of a verified secondary device, obtaining phase angle differences of every two of the three routes of sampling signals, determining that wiring of the verified secondary device is correct when it is judged that the proportion of the amplitude of the reference voltage sampling signals and the amplitude of the voltage sampling signals is equal to the ratio of transformation of the transformer substation, the amplitude of the current sampling signals is equal to a preset expected value and the phase angle differences of every two of the three routes of sampling signals are equal to preset expected values respectively, and otherwise, determining that wiring of the secondary device is wrong. The device comprises a sensor unit, an amplifying unit, a synchronous generation circuit, an A/D conversion module and a control unit. Whether wiring of the secondary device of the transformer substation is correct can be automatically judged and recorded, duration time of overhaul (prerun) is reduced, wiring verification speed is high, consumed time is little, and judging correctness is high.