CN105103395A - 用于检测故障的方法及其电流差动保护系统 - Google Patents
用于检测故障的方法及其电流差动保护系统 Download PDFInfo
- Publication number
- CN105103395A CN105103395A CN201380074127.1A CN201380074127A CN105103395A CN 105103395 A CN105103395 A CN 105103395A CN 201380074127 A CN201380074127 A CN 201380074127A CN 105103395 A CN105103395 A CN 105103395A
- Authority
- CN
- China
- Prior art keywords
- fault
- current
- electric current
- phase angle
- angle difference
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000035945 sensitivity Effects 0.000 claims description 27
- 230000006978 adaptation Effects 0.000 claims description 9
- 238000004364 calculation method Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 description 11
- 229920006395 saturated elastomer Polymers 0.000 description 8
- 230000007257 malfunction Effects 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 101150055297 SET1 gene Proteins 0.000 description 1
- 101150117538 Set2 gene Proteins 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/006—Calibration or setting of parameters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/28—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/28—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
- H02H3/283—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus and taking into account saturation of current transformers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims (14)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2013/073797 WO2014166027A1 (en) | 2013-04-07 | 2013-04-07 | A method for detecting fault and current differential protection system thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105103395A true CN105103395A (zh) | 2015-11-25 |
CN105103395B CN105103395B (zh) | 2018-03-27 |
Family
ID=51688810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201380074127.1A Active CN105103395B (zh) | 2013-04-07 | 2013-04-07 | 用于检测故障的方法及其电流差动保护系统 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9899830B2 (zh) |
EP (1) | EP2984719B1 (zh) |
CN (1) | CN105103395B (zh) |
WO (1) | WO2014166027A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3408910B1 (en) * | 2016-01-27 | 2021-05-05 | ABB Power Grids Switzerland AG | Method and control device for current differential protection |
CN111030051B (zh) * | 2019-11-26 | 2021-10-08 | 国网江苏省电力有限公司检修分公司 | 一种差动保护方法 |
CN111371074B (zh) * | 2020-03-17 | 2022-04-05 | 东方电子股份有限公司 | 一种基于动态模糊识别的ct饱和识别方法 |
US11469588B2 (en) * | 2020-08-31 | 2022-10-11 | Schweitzer Engineering Laboratories, Inc. | Electric power system differential protection with DC compensation |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101340078A (zh) * | 2007-07-06 | 2009-01-07 | 阿海珐输配电英国有限公司 | 对于或关于电流差动保护继电器的改进 |
CN102868150A (zh) * | 2012-09-10 | 2013-01-09 | 中国电力科学研究院 | 一种输电线路全电流差动保护制动系数自适应整定方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001197656A (ja) | 2000-01-07 | 2001-07-19 | Meidensha Corp | 送電線の電流差動保護継電装置 |
WO2007086944A2 (en) | 2006-01-23 | 2007-08-02 | Schweitzer Engineering Laboratories, Inc. | System, apparatus and method for compensating the sensitivity of a sequence element in a line current differential relay in a power system |
JP5349037B2 (ja) | 2008-12-25 | 2013-11-20 | 三菱電機株式会社 | 電流差動保護継電装置 |
CA2698848A1 (en) * | 2009-04-01 | 2010-10-01 | Erlphase Power Technologies Limited | An efficient method for calculating the dot product in fault detection algorithms |
US8194374B2 (en) * | 2009-04-16 | 2012-06-05 | Schweitzser Engineering Laboratories, Inc. | Differential element with harmonic blocking and harmonic restraint operating in parallel |
CA2780750A1 (en) | 2009-11-17 | 2011-05-26 | Alstom Technology Ltd | Fuzzy interference relay and method for current differential protection of a transmission line |
RU2526844C2 (ru) | 2009-11-18 | 2014-08-27 | Абб Рисерч Лтд. | Способ и устройство дистанционной защиты от замыканий на землю |
CN103201923B (zh) | 2010-11-09 | 2015-08-19 | Abb研究有限公司 | 电流差动保护同步方法 |
-
2013
- 2013-04-07 CN CN201380074127.1A patent/CN105103395B/zh active Active
- 2013-04-07 US US14/770,240 patent/US9899830B2/en active Active
- 2013-04-07 EP EP13881637.6A patent/EP2984719B1/en active Active
- 2013-04-07 WO PCT/CN2013/073797 patent/WO2014166027A1/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101340078A (zh) * | 2007-07-06 | 2009-01-07 | 阿海珐输配电英国有限公司 | 对于或关于电流差动保护继电器的改进 |
CN102868150A (zh) * | 2012-09-10 | 2013-01-09 | 中国电力科学研究院 | 一种输电线路全电流差动保护制动系数自适应整定方法 |
Also Published As
Publication number | Publication date |
---|---|
US20160006240A1 (en) | 2016-01-07 |
EP2984719A1 (en) | 2016-02-17 |
EP2984719A4 (en) | 2016-12-07 |
WO2014166027A1 (en) | 2014-10-16 |
US9899830B2 (en) | 2018-02-20 |
CN105103395B (zh) | 2018-03-27 |
EP2984719B1 (en) | 2020-05-27 |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180509 Address after: Baden, Switzerland Patentee after: ABB Switzerland Co.,Ltd. Address before: Zurich Patentee before: ABB TECHNOLOGY Ltd. |
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TR01 | Transfer of patent right |
Effective date of registration: 20210507 Address after: Baden, Switzerland Patentee after: ABB grid Switzerland AG Address before: Baden, Switzerland Patentee before: ABB Switzerland Co.,Ltd. |
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TR01 | Transfer of patent right | ||
CP01 | Change in the name or title of a patent holder |
Address after: Swiss Baden Patentee after: Hitachi energy Switzerland AG Address before: Swiss Baden Patentee before: ABB grid Switzerland AG |
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CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240115 Address after: Zurich, SUI Patentee after: Hitachi Energy Co.,Ltd. Address before: Swiss Baden Patentee before: Hitachi energy Switzerland AG |
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TR01 | Transfer of patent right |