Hydraulic power plant accident emergency disposal auxiliary method and system

The invention discloses a hydraulic power plant accident emergency disposal auxiliary method. The method comprises the following steps: collecting accident basic data of a hydraulic power plant; power plant equipment signals are classified through an accident type and range identification module, and the range of an equipment accident is delimited by combining the state change of main equipment caused when the accident occurs; reporting and guiding the accident, mining and accumulating operation experience through an accident drilling module, and training an accident handling method and matters needing attention; and according to a calculation result of the gate water replenishing opening calculator module, emergency water replenishing is carried out in an auxiliary manner. The system can provide handling suggestions and matters needing attention for operators on duty under various accident conditions, can achieve one-key notification, greatly improves the correctness and standardization of accident handling,