CN107942214B - 一种变压器局部放电信号的特征提取方法、装置 - Google Patents
一种变压器局部放电信号的特征提取方法、装置 Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
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CN108627743B (zh) * | 2018-05-15 | 2020-05-05 | 国网江苏省电力有限公司电力科学研究院 | 一种局部放电纳秒级窄脉冲序列的无损捕捉方法 |
CN109061426B (zh) * | 2018-11-02 | 2021-10-22 | 国网河北省电力有限公司电力科学研究院 | 变压器局部放电故障诊断方法及在线监测装置 |
CN111077421A (zh) * | 2019-12-30 | 2020-04-28 | 云南恒协科技有限公司 | 一种电缆线路智能运检系统 |
CN113325275A (zh) * | 2021-04-16 | 2021-08-31 | 国网江苏省电力有限公司徐州供电分公司 | 一种基于数字滤波的变压器局部放电检测方法 |
CN114166491A (zh) * | 2021-11-26 | 2022-03-11 | 中科传启(苏州)科技有限公司 | 目标设备故障监测方法、装置、电子设备及介质 |
CN116520105A (zh) * | 2023-05-10 | 2023-08-01 | 国网安徽省电力有限公司亳州供电公司 | 一种基于变压器绝缘预警的局放监测方法 |
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JPH11248783A (ja) * | 1998-03-06 | 1999-09-17 | Mitsubishi Electric Corp | 部分放電検出装置 |
CN102841296B (zh) * | 2012-09-10 | 2015-03-04 | 江苏科技大学 | 基于超高频检测的智能开关柜局部放电在线监测系统及方法 |
CN104020398B (zh) * | 2014-06-03 | 2017-01-04 | 华北电力大学 | 一种换流变压器局部放电波形特征提取方法 |
CN104765971B (zh) * | 2015-04-23 | 2017-11-10 | 东北电力大学 | 一种交联聚乙烯高压电缆局部放电特征提取方法 |
KR101574615B1 (ko) * | 2015-06-18 | 2015-12-11 | 지투파워(주) | 통계적 위상패턴 기반의 신호검출 방법을 이용한 전력설비 부분 방전 감시진단 시스템 |
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Application publication date: 20180420 Assignee: BAODING HUACHUANG ELECTRIC Co.,Ltd. Assignor: STATE GRID HEBEI ENERGY TECHNOLOGY SERVICE Co.,Ltd. Contract record no.: X2021130000001 Denomination of invention: A feature extraction method and device for partial discharge signal of transformer Granted publication date: 20200214 License type: Common License Record date: 20210305 Application publication date: 20180420 Assignee: BAODING TIANWEI XINYU TECHNOLOGY DEVELOPMENT Co.,Ltd. Assignor: STATE GRID HEBEI ENERGY TECHNOLOGY SERVICE Co.,Ltd. Contract record no.: X2021130000002 Denomination of invention: A feature extraction method and device for partial discharge signal of transformer Granted publication date: 20200214 License type: Common License Record date: 20210305 |