CN111505459B - 一种发电机定子绕组绝缘老化评定方法 - Google Patents
一种发电机定子绕组绝缘老化评定方法 Download PDFInfo
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- CN111505459B CN111505459B CN202010385006.0A CN202010385006A CN111505459B CN 111505459 B CN111505459 B CN 111505459B CN 202010385006 A CN202010385006 A CN 202010385006A CN 111505459 B CN111505459 B CN 111505459B
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- 230000032683 aging Effects 0.000 title claims abstract description 118
- 238000009413 insulation Methods 0.000 title claims abstract description 59
- 238000004804 winding Methods 0.000 title claims abstract description 35
- 238000011156 evaluation Methods 0.000 title abstract description 12
- 125000000524 functional group Chemical group 0.000 claims abstract description 97
- 239000003822 epoxy resin Substances 0.000 claims abstract description 25
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000010521 absorption reaction Methods 0.000 claims abstract description 12
- 238000012360 testing method Methods 0.000 claims description 16
- 239000003365 glass fiber Substances 0.000 claims description 15
- 239000010445 mica Substances 0.000 claims description 15
- 229910052618 mica group Inorganic materials 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 14
- 239000004593 Epoxy Substances 0.000 claims description 11
- 230000003595 spectral effect Effects 0.000 claims description 11
- 238000004364 calculation method Methods 0.000 claims description 8
- 238000004458 analytical method Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 150000004820 halides Chemical class 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 230000015556 catabolic process Effects 0.000 claims description 4
- 238000012821 model calculation Methods 0.000 claims description 4
- 238000001228 spectrum Methods 0.000 claims description 4
- 238000006731 degradation reaction Methods 0.000 claims 3
- 230000002776 aggregation Effects 0.000 abstract description 4
- 238000004220 aggregation Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 230000004660 morphological change Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 5
- 238000001566 impedance spectroscopy Methods 0.000 description 2
- 238000001453 impedance spectrum Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000011158 quantitative evaluation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000002474 experimental 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
- G01R31/1218—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 using optical methods; using charged particle, e.g. electron, beams or X-rays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
-
- 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
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Manufacture Of Motors, Generators (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
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CN202010385006.0A CN111505459B (zh) | 2020-05-09 | 2020-05-09 | 一种发电机定子绕组绝缘老化评定方法 |
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CN202010385006.0A CN111505459B (zh) | 2020-05-09 | 2020-05-09 | 一种发电机定子绕组绝缘老化评定方法 |
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CN111505459A CN111505459A (zh) | 2020-08-07 |
CN111505459B true CN111505459B (zh) | 2022-09-06 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113916929B (zh) * | 2021-09-17 | 2023-04-07 | 东方电气集团东方电机有限公司 | 一种发电机定子线棒主绝缘固化程度的评价方法 |
CN114169199B (zh) * | 2021-12-03 | 2023-03-24 | 东方电气集团东方电机有限公司 | 一种关于定子绕组端部电磁和结构耦合动力学分析方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH07151678A (ja) * | 1993-11-30 | 1995-06-16 | Shimadzu Corp | 赤外顕微鏡 |
GB2312964B (en) * | 1995-07-14 | 1998-07-29 | Toshiba Kk | Method for evaluating a remaining life of a rotating machine coil insulating layer |
CN100523852C (zh) * | 2003-10-24 | 2009-08-05 | 株式会社东芝 | 线圈的剩余寿命推定方法及线圈的剩余寿命推定装置 |
JP4400293B2 (ja) * | 2004-04-19 | 2010-01-20 | 株式会社明電舎 | 電気機器の絶縁劣化診断方法 |
JP2006003196A (ja) * | 2004-06-17 | 2006-01-05 | Canon Inc | 樹脂の化学状態変化の評価方法及び評価装置 |
JP2007057506A (ja) * | 2005-08-26 | 2007-03-08 | Sumitomo Electric Ind Ltd | 樹脂組成物中の微量添加物の分析方法および樹脂組成物の寿命分析方法 |
JP4862646B2 (ja) * | 2006-12-20 | 2012-01-25 | パナソニック電工株式会社 | 樹脂シート材の硬化度測定装置 |
CN111060472A (zh) * | 2019-12-23 | 2020-04-24 | 重庆大学 | 一种表征分析交联聚乙烯海缆绝缘材料老化状态的方法 |
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- 2020-05-09 CN CN202010385006.0A patent/CN111505459B/zh active Active
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