System and method for testing anti-short-circuit capability of voltage-regulating rectifier transformer

The invention provides an anti-short-circuit capability test system for a voltage-regulating rectifier transformer, and the system comprises a direct-current power supply DC which is connected with an inverter T0; the input end of the input circuit is connected with the output end of the inverter T0; the input end of the voltage-regulating rectifier transformer T1 is connected with the output end of the input circuit; the input end of the short-circuit test circuit is connected with the output end of the voltage-regulating rectifier transformer T1; wherein the input circuit comprises an isolating switch QS1, an electric reactor L1, an isolating switch QS2, a resistor R1, a capacitor C1 and a circuit breaker QF1; the one-phase output end of the inverter T0 is connected with the input end of a voltage-regulating rectifier transformer T1 and one end of an isolating switch QS2 through a circuit breaker QF1, an isolating switch QS1 and an electric reactor L1. The other end of the isolating switch QS2 is connected