CN110018372A - 一种基于励磁阻抗波动特征的变压器保护方法 - Google Patents
一种基于励磁阻抗波动特征的变压器保护方法 Download PDFInfo
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- CN110018372A CN110018372A CN201910280529.6A CN201910280529A CN110018372A CN 110018372 A CN110018372 A CN 110018372A CN 201910280529 A CN201910280529 A CN 201910280529A CN 110018372 A CN110018372 A CN 110018372A
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- 230000005284 excitation Effects 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 101100499229 Mus musculus Dhrsx gene Proteins 0.000 description 3
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- 238000013473 artificial intelligence Methods 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/08—Measuring resistance by measuring both voltage and current
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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
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CN201910280529.6A CN110018372B (zh) | 2019-04-09 | 2019-04-09 | 一种基于励磁阻抗波动特征的变压器保护方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111463751A (zh) * | 2020-04-27 | 2020-07-28 | 国网陕西省电力公司西安供电公司 | 一种基于等效励磁阻抗特征的变压器保护方法 |
CN113408232A (zh) * | 2021-06-18 | 2021-09-17 | 国网陕西省电力公司电力科学研究院 | 一种磁环工频饱和特性模拟方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1303155A (zh) * | 2001-01-22 | 2001-07-11 | 南京南瑞继保电气有限公司 | 基于励磁阻抗变化的变压器过励磁判别的继电保护方法 |
CN1303156A (zh) * | 2001-01-22 | 2001-07-11 | 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 |
CN1710437A (zh) * | 2005-04-30 | 2005-12-21 | 国电南京自动化股份有限公司 | 利用变压器励磁特性判别变压器内部故障的方法 |
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 |
CN102879671A (zh) * | 2012-09-17 | 2013-01-16 | 华北电力大学 | 特高压调压变压器保护的等效瞬时电感涌流闭锁判别方法 |
CN109586249A (zh) * | 2018-12-12 | 2019-04-05 | 国网河北省电力有限公司电力科学研究院 | 变压器励磁涌流判别方法和装置 |
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- 2019-04-09 CN CN201910280529.6A patent/CN110018372B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1303155A (zh) * | 2001-01-22 | 2001-07-11 | 南京南瑞继保电气有限公司 | 基于励磁阻抗变化的变压器过励磁判别的继电保护方法 |
CN1303156A (zh) * | 2001-01-22 | 2001-07-11 | 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 |
CN1710437A (zh) * | 2005-04-30 | 2005-12-21 | 国电南京自动化股份有限公司 | 利用变压器励磁特性判别变压器内部故障的方法 |
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 |
CN102879671A (zh) * | 2012-09-17 | 2013-01-16 | 华北电力大学 | 特高压调压变压器保护的等效瞬时电感涌流闭锁判别方法 |
CN109586249A (zh) * | 2018-12-12 | 2019-04-05 | 国网河北省电力有限公司电力科学研究院 | 变压器励磁涌流判别方法和装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111463751A (zh) * | 2020-04-27 | 2020-07-28 | 国网陕西省电力公司西安供电公司 | 一种基于等效励磁阻抗特征的变压器保护方法 |
CN113408232A (zh) * | 2021-06-18 | 2021-09-17 | 国网陕西省电力公司电力科学研究院 | 一种磁环工频饱和特性模拟方法 |
CN113408232B (zh) * | 2021-06-18 | 2023-09-19 | 国网陕西省电力公司电力科学研究院 | 一种磁环工频饱和特性模拟方法 |
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Effective date of registration: 20240117 Address after: No. 669, Aerospace Middle Road, National Civil Aerospace Industry Base, Xi'an City, Shaanxi Province 710199 Patentee after: Electric Power Research Institute of State Grid Shaanxi Electric Power Co.,Ltd. Patentee after: XI'AN JIAOTONG University Address before: 710199 no.669 Hangtian Middle Road, Chang'an District, Xi'an City, Shaanxi Province Patentee before: STATE GRID SHAANXI ELECTRIC POWER Research Institute Patentee before: XI'AN JIAOTONG University |