CN108008262B - 一种局部放电快速检测方法 - Google Patents
一种局部放电快速检测方法 Download PDFInfo
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- CN108008262B CN108008262B CN201711232225.XA CN201711232225A CN108008262B CN 108008262 B CN108008262 B CN 108008262B CN 201711232225 A CN201711232225 A CN 201711232225A CN 108008262 B CN108008262 B CN 108008262B
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- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 239000011159 matrix material Substances 0.000 claims abstract description 67
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 18
- 239000013598 vector Substances 0.000 claims description 15
- 230000035772 mutation Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 230000011218 segmentation Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 description 5
- 238000005070 sampling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
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CN108008262B true CN108008262B (zh) | 2020-07-07 |
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CN109829416B (zh) * | 2019-01-28 | 2023-04-28 | 国网山东省电力公司日照供电公司 | 一种从随机噪声中检测出特高频局部放电信号的方法和系统 |
CN111123193A (zh) * | 2019-12-16 | 2020-05-08 | 三江学院 | 抗多径干扰的gis设备的局部放电定位方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105334435A (zh) * | 2015-10-23 | 2016-02-17 | 国网山东海阳市供电公司 | 一种基于任意阵形的自适应局部放电超声监测方法 |
CN106022529A (zh) * | 2016-05-26 | 2016-10-12 | 中国电力科学研究院 | 一种基于高维随机矩阵的配电网异常数据检测方法 |
CN106443628A (zh) * | 2016-09-27 | 2017-02-22 | 清华大学 | 一种基于精度矩阵非线性收缩估计的stap方法 |
CN106707118A (zh) * | 2016-12-12 | 2017-05-24 | 国网北京市电力公司 | 局部放电模式识别方法和装置 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105334435A (zh) * | 2015-10-23 | 2016-02-17 | 国网山东海阳市供电公司 | 一种基于任意阵形的自适应局部放电超声监测方法 |
CN106022529A (zh) * | 2016-05-26 | 2016-10-12 | 中国电力科学研究院 | 一种基于高维随机矩阵的配电网异常数据检测方法 |
CN106443628A (zh) * | 2016-09-27 | 2017-02-22 | 清华大学 | 一种基于精度矩阵非线性收缩估计的stap方法 |
CN106707118A (zh) * | 2016-12-12 | 2017-05-24 | 国网北京市电力公司 | 局部放电模式识别方法和装置 |
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Effective date of registration: 20181214 Address after: 1122 Yuanshen Road, Pudong New Area, Shanghai, 200120 Applicant after: State Grid Shanghai Municipal Electric Power Company Applicant after: East China Electric Power Test & Research Institute Co., Ltd. Applicant after: Shanghai Jiao Tong University Address before: 1122 Yuanshen Road, Pudong New Area, Shanghai, 200126 Applicant before: State Grid Shanghai Municipal Electric Power Company Applicant before: East China Electric Power Test & Research Institute Co., Ltd. |
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