8Ohshita Y, Hashimoto A, Kurosawa Y. A Diagnostic Tech- nique to Detect Abnormal Conditions of Contacts Measur- ing Vibrations in Metal Enclosures of Gas Insulated Switch- gear[J]. IEEE Power Engineering Review, 1989, 9 (10): 51-52.
9Runde M, Lillevik O, Larsen V, et al. Condition assess- ment of contacts in gas-insulated substations[J]. IEEE Transactions on Power Delivery, 2004,19 (2) :609 - 617.
10Charbkeaw N, Suwanasri T, Bunyagul T. Mechanical De- fect Detection Of Sf6 High Voltage Circuit Breaker Using Wavelet Based Vibration Signal Analysis[J]. Electrical En- gineering/Electronics, Computer, Telecommunications andInformation Technology, 2008,2:901-904.
