CN102354953B - 电炉变压器继电保护方法 - Google Patents
电炉变压器继电保护方法 Download PDFInfo
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- CN102354953B CN102354953B CN201110299874.8A CN201110299874A CN102354953B CN 102354953 B CN102354953 B CN 102354953B CN 201110299874 A CN201110299874 A CN 201110299874A CN 102354953 B CN102354953 B CN 102354953B
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000004804 winding Methods 0.000 claims description 14
- 229910002056 binary alloy Inorganic materials 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241001417490 Sillaginidae Species 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Classifications
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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)
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Abstract
Description
Claims (2)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110299874.8A CN102354953B (zh) | 2011-09-28 | 2011-09-28 | 电炉变压器继电保护方法 |
PCT/CN2011/083164 WO2013044556A1 (zh) | 2011-09-28 | 2011-11-29 | 电炉变压器继电保护方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110299874.8A CN102354953B (zh) | 2011-09-28 | 2011-09-28 | 电炉变压器继电保护方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102354953A CN102354953A (zh) | 2012-02-15 |
CN102354953B true CN102354953B (zh) | 2014-03-05 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110299874.8A Expired - Fee Related CN102354953B (zh) | 2011-09-28 | 2011-09-28 | 电炉变压器继电保护方法 |
Country Status (2)
Country | Link |
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CN (1) | CN102354953B (zh) |
WO (1) | WO2013044556A1 (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103457242A (zh) * | 2013-08-08 | 2013-12-18 | 许继集团有限公司 | 电炉变压器纵差保护的二次电流补偿方法 |
CN104572652A (zh) * | 2013-10-11 | 2015-04-29 | 南京南瑞继保电气有限公司 | 一种基于地理接线图的保护配合关系校核结果展示方法 |
CN103560487B (zh) * | 2013-11-19 | 2016-02-03 | 国家电网公司 | 多分接头特种变压器差动保护方法 |
CN105024349B (zh) * | 2015-07-15 | 2017-12-12 | 南京国电南自电网自动化有限公司 | 一种基于跟踪挡位变化的特高压有载调压变保护方法 |
CN107607767B (zh) * | 2017-08-17 | 2019-12-24 | 国家电网公司 | 一种全光纤电炉变压器低压侧大电流测量方法 |
CN108494085B (zh) * | 2018-04-13 | 2024-04-05 | 山东中实易通集团有限公司 | 一种基于高厂变有载变压器的调压***及方法 |
CN110196370B (zh) * | 2019-06-26 | 2021-05-04 | 山东电工电气集团智能电气有限公司 | 变压器的监测方法及装置 |
CN112086935B (zh) * | 2020-08-20 | 2022-09-20 | 许继电气股份有限公司 | 自适应降压运行的换流变压器差动保护控制方法及装置 |
CN114441827A (zh) * | 2021-12-22 | 2022-05-06 | 新疆升晟股份有限公司 | 一种电炉变压器低压端电流测量方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2336385Y (zh) * | 1997-09-24 | 1999-09-01 | 周宏铎 | 变压器档位微机自动检测处理装置 |
CN101286722A (zh) * | 2007-04-09 | 2008-10-15 | 咸日常 | 变压器有载调压开关防滑档步进控制装置及控制方法 |
CN101719656A (zh) * | 2009-12-23 | 2010-06-02 | 北京交通大学 | 变压器带载调压过程中差动保护的调整方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006217743A (ja) * | 2005-02-04 | 2006-08-17 | Toyota Motor Corp | 電気負荷制御装置 |
CN101800415B (zh) * | 2010-04-27 | 2012-07-04 | 宁夏回族自治区电力公司 | 电炉变压器纵差保护方法 |
CN101800416B (zh) * | 2010-04-27 | 2012-07-04 | 宁夏回族自治区电力公司 | 电炉变压器中性点横差保护方法 |
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2011
- 2011-09-28 CN CN201110299874.8A patent/CN102354953B/zh not_active Expired - Fee Related
- 2011-11-29 WO PCT/CN2011/083164 patent/WO2013044556A1/zh active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2336385Y (zh) * | 1997-09-24 | 1999-09-01 | 周宏铎 | 变压器档位微机自动检测处理装置 |
CN101286722A (zh) * | 2007-04-09 | 2008-10-15 | 咸日常 | 变压器有载调压开关防滑档步进控制装置及控制方法 |
CN101719656A (zh) * | 2009-12-23 | 2010-06-02 | 北京交通大学 | 变压器带载调压过程中差动保护的调整方法 |
Non-Patent Citations (2)
Title |
---|
基于电子式互感器的电炉变压器差动保护研究;邓茂军等;《电力***保护与控制》;20110501;第39卷(第9期);第114-118、124页 * |
邓茂军等.基于电子式互感器的电炉变压器差动保护研究.《电力***保护与控制》.2011,第39卷(第9期),第114-118、124页. |
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Publication number | Publication date |
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CN102354953A (zh) | 2012-02-15 |
WO2013044556A1 (zh) | 2013-04-04 |
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Owner name: NINGXIA ELECTRIC HUI AUTONOMOUS REGION POWER COMPA Free format text: FORMER OWNER: NINGXIA ELECTRIC HUI AUTONOMOUS REGION POWER COMPANY XUCHANG XUJI SOFTWARE TECHNOLOGY CO., LTD. Effective date: 20121204 |
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Effective date of registration: 20121204 Address after: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Applicant after: Xuji Electric Co., Ltd. Applicant after: Ningxia Electric Power Company Applicant after: Xuchang Xuji Software Technology Co., Ltd. Applicant after: State Grid Corporation of China Address before: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Applicant before: Xuji Electric Co., Ltd. Applicant before: Ningxia Electric Power Company Applicant before: Xuchang Xuji Software Technology Co., Ltd. |
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