| Summary: | 碩士 === 國立臺灣海洋大學 === 電機工程學系 === 102 === The purpose of this study is to analyze switchgear devices using SF6 gas as insulated medium in the power system, containing current operating condition and degree of aging on equipment such as SF6 gas circuit breaker (GCB), SF6 gas insulated combined switchgear (GCS) and SF6 gas insulated switchgear (GIS), etc. In order to make sure the related switchgear equipment still be in the best operating condition when the degree of aging has reached the maximum limit of service life, it must be through strategy on how it maintains and manages to establish appropriate measures like properly maintenance cycles, life extension or rebirth to keep them safely continually useful without any concern, or replacement considered, etc. This could be expected to achieve invested benefit making equipment maximum in operating life, and minimum in maintenance cost.
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