Abnormal data marking method and system for stability control system based on association rules

The invention discloses a stability control system abnormal data marking method and system based on association rules, and the method comprises the steps: building a stability control system multi-dimensional data evaluation event set X and generating a binary event rule set FX based on a business event during the operation of a stability control system and a power grid operation guide rule specification; generating a multi-dimensional business historical event set D of the stability control system through historical operation data of the stability control system and according to the binary event rule set FX in an offline state; performing association rule mining on the multi-dimensional historical event set D to generate a stability control system business data strong association rule set R; in the online state, the collected real-time stability control system service data is calculated through a binary event rule set FX to obtain real-time event set data Xt with logic attributes; and comparing the real-time