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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- debugging
- main transformer
- transformer
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- 238000000034 method Methods 0.000 title claims abstract description 50
- 238000012360 testing method Methods 0.000 claims abstract description 51
- 238000010586 diagram Methods 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 230000009699 differential effect Effects 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims 4
- 230000008569 process Effects 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 230000009471 action Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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)
Abstract
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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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