2、earchBasedonWaveletTransformationXiangXinjian1,2,LinZhang1(1.College of Metrological Technology and Engineering,China Jiliang University,Hangzhou,310018,China.2.SchoolofAutomationandElectricalEngineering,ZhejiangUniversityofScienceandTechnology,Hangzhou,310023,China)Abstract:Thearc-faultistheone