CN112098890B - 动车组并联辅助变流器交流接地故障检测方法 - Google Patents
动车组并联辅助变流器交流接地故障检测方法 Download PDFInfo
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- CN112098890B CN112098890B CN202010974288.8A CN202010974288A CN112098890B CN 112098890 B CN112098890 B CN 112098890B CN 202010974288 A CN202010974288 A CN 202010974288A CN 112098890 B CN112098890 B CN 112098890B
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- 238000001514 detection method Methods 0.000 title claims abstract description 261
- 238000000034 method Methods 0.000 claims abstract description 78
- 238000012545 processing Methods 0.000 claims abstract description 62
- 238000004364 calculation method Methods 0.000 claims description 57
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- 230000008569 process Effects 0.000 claims description 22
- 229910052770 Uranium Inorganic materials 0.000 claims description 4
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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
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- 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
- G01R31/56—Testing of electric apparatus
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
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Claims (7)
Priority Applications (1)
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CN202010974288.8A CN112098890B (zh) | 2020-09-16 | 2020-09-16 | 动车组并联辅助变流器交流接地故障检测方法 |
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CN202010974288.8A CN112098890B (zh) | 2020-09-16 | 2020-09-16 | 动车组并联辅助变流器交流接地故障检测方法 |
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CN112098890A CN112098890A (zh) | 2020-12-18 |
CN112098890B true CN112098890B (zh) | 2023-04-28 |
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CN202010974288.8A Active CN112098890B (zh) | 2020-09-16 | 2020-09-16 | 动车组并联辅助变流器交流接地故障检测方法 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111239647B (zh) * | 2020-01-19 | 2023-01-20 | 中车青岛四方机车车辆股份有限公司 | 列车交流漏电检测保护控制装置和方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201252488Y (zh) * | 2008-08-14 | 2009-06-03 | 铁道部运输局 | 大功率牵引变流器 |
CN110488135A (zh) * | 2019-07-25 | 2019-11-22 | 中车永济电机有限公司 | 一种大功率永磁直驱机车变流器接地故障判断方法及定位策略 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010276377A (ja) * | 2009-05-26 | 2010-12-09 | Kansai Electric Power Co Inc:The | 直流回路の地絡事故検出システム |
CN107782988A (zh) * | 2016-08-24 | 2018-03-09 | 株洲中车时代电气股份有限公司 | 多路输出辅助变流器的测试***及效率测试方法 |
CN110275082B (zh) * | 2018-03-16 | 2021-08-17 | 中车株洲电力机车研究所有限公司 | 一种变流器主电路的接地诊断方法、***及装置 |
CN109459651B (zh) * | 2018-11-12 | 2020-09-04 | 中车永济电机有限公司 | 机车变流器接地故障检测电路及方法 |
CN110703138B (zh) * | 2019-10-22 | 2022-03-11 | 中车青岛四方车辆研究所有限公司 | 动车组牵引***接地故障检测方法及装置 |
CN112910273A (zh) * | 2021-01-19 | 2021-06-04 | 株洲中车时代电气股份有限公司 | 一种变流器及牵引传动*** |
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2020
- 2020-09-16 CN CN202010974288.8A patent/CN112098890B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201252488Y (zh) * | 2008-08-14 | 2009-06-03 | 铁道部运输局 | 大功率牵引变流器 |
CN110488135A (zh) * | 2019-07-25 | 2019-11-22 | 中车永济电机有限公司 | 一种大功率永磁直驱机车变流器接地故障判断方法及定位策略 |
Non-Patent Citations (1)
Title |
---|
刘振华 ; .HX_D21000系机车接地问题的分析和处理.铁道机车与动车.2015,(第01期),27-29,46. * |
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Inventor after: Li Bo Inventor after: Feng Xiang Inventor after: Zhao Junbo Inventor after: Zhang Bo Inventor after: Li Meiyun Inventor after: Sun Qingwen Inventor after: He Xinyu Inventor after: Zhao Chenming Inventor after: Wang Shen Inventor after: Li Hongguo Inventor before: Zhang Bo Inventor before: Zhao Junbo Inventor before: Li Meiyun Inventor before: Sun Qingwen Inventor before: He Xinyu Inventor before: Zhao Chenming Inventor before: Wang Shen Inventor before: Li Hongguo Inventor before: Feng Xiang |
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