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Health Status Evaluation of GIS Equipment Based on FAHP

Aiming at improving the reliability of GIS (GAS insulated SWITCHGEAR) equipment and facilitating the preventive maintenance of GIS equipment, a GIS equipment health status evaluation method based on FAHP (Fuzzy analytic hierarchy process) is proposed in this paper. Firstly, the 9-scale is one-to-one corresponding to the failure frequency or probability of FMEA(Failure mode and effects analysis) are taken into analysis. Secondly, the deterioration degree function is established by triangular fuzzy number. Finally, an example is given to demonstrate the effectiveness and usefulness of the proposed method.