CN1929229A - 适用于大型电力变压器的附加相位判别的励磁涌流识别新方法 - Google Patents
适用于大型电力变压器的附加相位判别的励磁涌流识别新方法 Download PDFInfo
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- CN1929229A CN1929229A CN 200610041357 CN200610041357A CN1929229A CN 1929229 A CN1929229 A CN 1929229A CN 200610041357 CN200610041357 CN 200610041357 CN 200610041357 A CN200610041357 A CN 200610041357A CN 1929229 A CN1929229 A CN 1929229A
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- 230000000996 additive effect Effects 0.000 claims description 22
- 230000006978 adaptation Effects 0.000 claims description 12
- 230000004069 differentiation Effects 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 claims description 5
- 230000005284 excitation Effects 0.000 abstract description 8
- 230000009471 action Effects 0.000 description 11
- 229920006395 saturated elastomer Polymers 0.000 description 8
- 230000007257 malfunction Effects 0.000 description 7
- 230000004907 flux Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 1
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CNB200610041357XA CN100452601C (zh) | 2006-08-17 | 2006-08-17 | 适用于大型电力变压器的附加相位判别的励磁涌流识别方法 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101820166A (zh) * | 2010-02-10 | 2010-09-01 | 江苏金智科技股份有限公司 | 基于变压器等效励磁阻抗频域特征的励磁涌流判别方法 |
CN104200055A (zh) * | 2014-09-26 | 2014-12-10 | 国家电网公司 | 特高压变压器空载合闸情况下的励磁涌流仿真方法及装置 |
CN105552835A (zh) * | 2016-03-07 | 2016-05-04 | 国家电网公司 | 一种直流线路50Hz谐波保护防误动的方法 |
CN105870892A (zh) * | 2016-04-29 | 2016-08-17 | 国网辽宁省电力有限公司鞍山供电公司 | 一种可以躲过合闸涌流的线路保护方法 |
CN108539715A (zh) * | 2018-03-14 | 2018-09-14 | 中南大学 | 一种附加综合谐波相位判别的励磁涌流闭锁方法 |
CN112564039A (zh) * | 2020-11-25 | 2021-03-26 | 神华福能发电有限责任公司 | 一种自适应变压器涌流抑制方法 |
CN113765059A (zh) * | 2021-08-30 | 2021-12-07 | 西安理工大学 | 一种适用于光伏电站主变压器的差动保护方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3269220B2 (ja) * | 1993-04-28 | 2002-03-25 | 株式会社明電舎 | 変圧器保護継電装置 |
CN1129221C (zh) * | 2001-01-22 | 2003-11-26 | 南京南瑞继保电气有限公司 | 基于励磁阻抗变化的变压器励磁涌流判别的继电保护方法 |
CN1554953A (zh) * | 2003-12-24 | 2004-12-15 | 华北电力大学(北京) | 基于瞬时功率的变压器励磁涌流和内部故障电流的识别方法 |
CN100367595C (zh) * | 2004-01-15 | 2008-02-06 | 叶念国 | 变压器励磁涌流的抑制装置 |
CN100403615C (zh) * | 2005-04-27 | 2008-07-16 | 叶念国 | 电力变压器励磁涌流的抑制方法 |
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2006
- 2006-08-17 CN CNB200610041357XA patent/CN100452601C/zh active Active
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101820166A (zh) * | 2010-02-10 | 2010-09-01 | 江苏金智科技股份有限公司 | 基于变压器等效励磁阻抗频域特征的励磁涌流判别方法 |
CN101820166B (zh) * | 2010-02-10 | 2012-08-15 | 江苏金智科技股份有限公司 | 基于变压器等效励磁阻抗频域特征的励磁涌流判别方法 |
CN104200055A (zh) * | 2014-09-26 | 2014-12-10 | 国家电网公司 | 特高压变压器空载合闸情况下的励磁涌流仿真方法及装置 |
CN104200055B (zh) * | 2014-09-26 | 2017-06-20 | 国家电网公司 | 特高压变压器空载合闸情况下的励磁涌流仿真方法及装置 |
CN105552835A (zh) * | 2016-03-07 | 2016-05-04 | 国家电网公司 | 一种直流线路50Hz谐波保护防误动的方法 |
CN105552835B (zh) * | 2016-03-07 | 2018-02-06 | 国家电网公司 | 一种直流线路50Hz谐波保护防误动的方法 |
CN105870892A (zh) * | 2016-04-29 | 2016-08-17 | 国网辽宁省电力有限公司鞍山供电公司 | 一种可以躲过合闸涌流的线路保护方法 |
CN108539715A (zh) * | 2018-03-14 | 2018-09-14 | 中南大学 | 一种附加综合谐波相位判别的励磁涌流闭锁方法 |
CN112564039A (zh) * | 2020-11-25 | 2021-03-26 | 神华福能发电有限责任公司 | 一种自适应变压器涌流抑制方法 |
CN112564039B (zh) * | 2020-11-25 | 2023-05-12 | 国能神福(石狮)发电有限公司 | 一种自适应变压器涌流抑制方法 |
CN113765059A (zh) * | 2021-08-30 | 2021-12-07 | 西安理工大学 | 一种适用于光伏电站主变压器的差动保护方法 |
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CN100452601C (zh) | 2009-01-14 |
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