FIELD: automatic control of power networks. SUBSTANCE: method intended to check automatic load transfer center incorporating device inhibiting closure to short circuit in ring mains supplied with power from double-transformer substation buses by receiving information about inhibiting closure of automatic load transfer center includes recording of inrush currents and measurement of time intervals between them; initial time reading is taken at instant of occurrence of short-circuit inrush current at transformer buses of main power supply equal to on-time delay of circuit breaker in automatic load transfer center; instant of its final reading is checked by occurrence of working inrush current exceeding rated value or short-circuit current at transformer buses of stand-by power supply, or, if the latter is not available, fact of inhibiting circuit breaker closure at automatic load transfer center to short circuit in ring mains is stated. EFFECT: enlarged functional capabilities. 1 cl, 2 dwg
