CN112305388A - 一种发电机定子绕组绝缘局部放电故障在线监测诊断方法 - Google Patents
一种发电机定子绕组绝缘局部放电故障在线监测诊断方法 Download PDFInfo
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- CN112305388A CN112305388A CN202011197314.7A CN202011197314A CN112305388A CN 112305388 A CN112305388 A CN 112305388A CN 202011197314 A CN202011197314 A CN 202011197314A CN 112305388 A CN112305388 A CN 112305388A
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- 238000009413 insulation Methods 0.000 title claims abstract description 56
- 238000012544 monitoring process Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004804 winding Methods 0.000 title claims abstract description 18
- 238000003745 diagnosis Methods 0.000 claims abstract description 21
- 238000012549 training Methods 0.000 claims abstract description 19
- 238000013527 convolutional neural network Methods 0.000 claims description 5
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- 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
- G01R31/1263—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 of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
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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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/72—Testing of electric windings
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
- G06F18/214—Generating training patterns; Bootstrap methods, e.g. bagging or boosting
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/27—Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N3/00—Computing arrangements based on biological models
- G06N3/02—Neural networks
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N3/00—Computing arrangements based on biological models
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113933660A (zh) * | 2021-08-31 | 2022-01-14 | 华能澜沧江水电股份有限公司 | 一种基于局部放电特征的发电机绝缘故障劣化监测方法 |
CN113945848A (zh) * | 2021-10-15 | 2022-01-18 | 哈尔滨电机厂有限责任公司 | 一种发电机定子绕组闪络放电路径的确定方法 |
CN115343617A (zh) * | 2022-09-22 | 2022-11-15 | 南通万成机电有限公司 | 一种电机定子绕组的局放在线监测辨识方法 |
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CN115327304A (zh) * | 2022-07-14 | 2022-11-11 | 成都恒锐智科数字技术有限公司 | 一种基于深度学习的变压器局部放电类型识别方法及*** |
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2020
- 2020-10-30 CN CN202011197314.7A patent/CN112305388B/zh active Active
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US6064172A (en) * | 1997-02-11 | 2000-05-16 | Power Superconductor Applications Corporation | Method and apparatus for detection, classification and reduction of internal electrical faults in alternating current propulsion machinery using synchronous detection scheme |
CN102323526A (zh) * | 2011-08-15 | 2012-01-18 | 重庆大学 | 基于大电机局部放电超声分布特性的传感器设置分析方法 |
CN105403820A (zh) * | 2015-12-03 | 2016-03-16 | 三峡大学 | 一种发电机定子绕组局部放电信号在线检测方法 |
CN106556781A (zh) * | 2016-11-10 | 2017-04-05 | 华乘电气科技(上海)股份有限公司 | 基于深度学习的局部放电缺陷图像诊断方法及*** |
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CN110514975A (zh) * | 2019-10-14 | 2019-11-29 | 云南电网有限责任公司电力科学研究院 | 一种gis设备的局部放电类型分类方法 |
CN111562466A (zh) * | 2019-12-06 | 2020-08-21 | 雅砻江流域水电开发有限公司 | 一种用于大型水轮发电机定子绕组局部放电的检测方法 |
CN111175621A (zh) * | 2020-01-07 | 2020-05-19 | 岭东核电有限公司 | 核电站中、高压旋转电机绝缘缺陷检测方法、***及设备 |
CN111458612A (zh) * | 2020-05-29 | 2020-07-28 | 国网陕西省电力公司电力科学研究院 | 一种油浸式套管电气绝缘性能的状态监测及缺陷模拟*** |
CN115327304A (zh) * | 2022-07-14 | 2022-11-11 | 成都恒锐智科数字技术有限公司 | 一种基于深度学习的变压器局部放电类型识别方法及*** |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113933660A (zh) * | 2021-08-31 | 2022-01-14 | 华能澜沧江水电股份有限公司 | 一种基于局部放电特征的发电机绝缘故障劣化监测方法 |
CN113945848A (zh) * | 2021-10-15 | 2022-01-18 | 哈尔滨电机厂有限责任公司 | 一种发电机定子绕组闪络放电路径的确定方法 |
CN113945848B (zh) * | 2021-10-15 | 2023-12-22 | 哈尔滨电机厂有限责任公司 | 一种发电机定子绕组闪络放电路径的确定方法 |
CN115343617A (zh) * | 2022-09-22 | 2022-11-15 | 南通万成机电有限公司 | 一种电机定子绕组的局放在线监测辨识方法 |
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