Method and device for discriminating opening and closing of high-voltage direct-current circuit breaker

The invention discloses a high-voltage direct-current circuit breaker opening and closing judgment method and device, relates to the technical field of circuit breakers, and mainly aims to quickly and accurately judge whether opening and closing are successful or not. According to the main technical scheme, the method comprises the steps of obtaining an opening instruction or a closing instruction; when the target instruction is an opening instruction, current information of a transfer branch, a main branch and a main branch in respective corresponding preset time is obtained; judging an opening result of the high-voltage direct-current circuit breaker by utilizing a preset opening judgment rule; when the target instruction is a switching-on instruction, conducting the current of the transfer branch, and acquiring current information of the transfer branch within a preset time; and judging a switching-on result of the high-voltage direct-current circuit breaker by using a preset switching-on judgment rule. Th