Power grid safety risk assessment method

The invention discloses a power grid safety risk assessment method. A hierarchy analysis method is adopted for carrying out leveling on risk factors, and the hierarchy analysis method is adopted for calculating the weight of the influence of each risk factor on the system; then a D-S evidence theory...

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Bibliographische Detailangaben
Hauptverfasser:	FAN CHUNYANG, LI FENG, WANG PENG, CEN XIN, ZHANG XIAOPEI, HUANG FENG, YU YUNXIN, ZHANG LE
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES PHYSICS SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	The invention discloses a power grid safety risk assessment method. A hierarchy analysis method is adopted for carrying out leveling on risk factors, and the hierarchy analysis method is adopted for calculating the weight of the influence of each risk factor on the system; then a D-S evidence theory is utilized to correct the weights determined by the hierarchy analysis method, all evidences are fused according to a evidence theory synthesis rule, and according to a basic reliability distribution function of the fusion, the safety validity of each risk factor is leveled; and finally the safety validity level of the system is obtained. The method is accurate and effective, and the assessment is convenient.