CN109038493A - 一种主变比率制动特性差动保护的调试方法 - Google Patents
一种主变比率制动特性差动保护的调试方法 Download PDFInfo
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- CN109038493A CN109038493A CN201811027338.0A CN201811027338A CN109038493A CN 109038493 A CN109038493 A CN 109038493A CN 201811027338 A CN201811027338 A CN 201811027338A CN 109038493 A CN109038493 A CN 109038493A
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- main transformer
- electric current
- transformer
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- 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
- H02H7/04—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 transformers
- H02H7/045—Differential protection of transformers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
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CN201811027338.0A CN109038493B (zh) | 2018-09-04 | 2018-09-04 | 一种主变比率制动特性差动保护的调试方法 |
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CN201811027338.0A CN109038493B (zh) | 2018-09-04 | 2018-09-04 | 一种主变比率制动特性差动保护的调试方法 |
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CN109038493A true CN109038493A (zh) | 2018-12-18 |
CN109038493B CN109038493B (zh) | 2019-12-27 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114264901A (zh) * | 2021-12-07 | 2022-04-01 | 广东电网有限责任公司 | 一种变压器区外故障时的平衡电流模拟方法及相关装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201323439Y (zh) * | 2008-12-18 | 2009-10-07 | 鞍山钢铁集团公司第二发电厂 | 比率差动微机保护装置 |
CN104810791A (zh) * | 2015-05-13 | 2015-07-29 | 国网智能电网研究院 | 一种基于fpga的差动保护方法 |
CN107300684A (zh) * | 2017-08-17 | 2017-10-27 | 国网黑龙江省电力有限公司哈尔滨供电公司 | 一种变压器差动保护二次回路的校核方法 |
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2018
- 2018-09-04 CN CN201811027338.0A patent/CN109038493B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201323439Y (zh) * | 2008-12-18 | 2009-10-07 | 鞍山钢铁集团公司第二发电厂 | 比率差动微机保护装置 |
CN104810791A (zh) * | 2015-05-13 | 2015-07-29 | 国网智能电网研究院 | 一种基于fpga的差动保护方法 |
CN107300684A (zh) * | 2017-08-17 | 2017-10-27 | 国网黑龙江省电力有限公司哈尔滨供电公司 | 一种变压器差动保护二次回路的校核方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114264901A (zh) * | 2021-12-07 | 2022-04-01 | 广东电网有限责任公司 | 一种变压器区外故障时的平衡电流模拟方法及相关装置 |
CN114264901B (zh) * | 2021-12-07 | 2023-08-22 | 广东电网有限责任公司 | 一种变压器区外故障时的平衡电流模拟方法及相关装置 |
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Inventor after: Ji Huizheng Inventor after: Li Chengyang Inventor after: Jin Weizhi Inventor after: Liu Hongyi Inventor after: Guo Xueyan Inventor after: Hao Wenkuo Inventor after: Li Jingbo Inventor before: Li Chengyang Inventor before: Jin Weizhi Inventor before: Liu Hongyi Inventor before: Guo Xueyan Inventor before: Hao Wenkuo Inventor before: Li Jingbo |
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