CN108475913B - 用于电流差动保护的方法和控制设备 - Google Patents
用于电流差动保护的方法和控制设备 Download PDFInfo
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- CN108475913B CN108475913B CN201680078254.2A CN201680078254A CN108475913B CN 108475913 B CN108475913 B CN 108475913B CN 201680078254 A CN201680078254 A CN 201680078254A CN 108475913 B CN108475913 B CN 108475913B
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- current
- differential
- control device
- characteristic
- fault
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- 238000000034 method Methods 0.000 title claims abstract description 63
- 230000001629 suppression Effects 0.000 claims abstract description 47
- 238000004590 computer program Methods 0.000 claims abstract description 13
- 230000003044 adaptive effect Effects 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 230000007257 malfunction Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
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Images
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
- H02H7/0455—Differential protection of transformers taking into account saturation of current transformers
-
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0092—Details of emergency protective circuit arrangements concerning the data processing means, e.g. expert systems, neural networks
-
- 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
-
- 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
Abstract
Description
Claims (11)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2016/051622 WO2017129233A1 (en) | 2016-01-27 | 2016-01-27 | Method and control device for current differential protection |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108475913A CN108475913A (zh) | 2018-08-31 |
CN108475913B true CN108475913B (zh) | 2020-06-16 |
Family
ID=55275069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201680078254.2A Active CN108475913B (zh) | 2016-01-27 | 2016-01-27 | 用于电流差动保护的方法和控制设备 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10243351B2 (zh) |
EP (1) | EP3408910B1 (zh) |
CN (1) | CN108475913B (zh) |
WO (1) | WO2017129233A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112039019B (zh) * | 2020-08-19 | 2022-07-22 | 积成软件有限公司 | 一种识别变压器轻微故障的判别方法 |
EP4333228A1 (en) * | 2022-08-30 | 2024-03-06 | Hitachi Energy Ltd | Adaptive fault discrimination for a line differential protection |
US20240106225A1 (en) * | 2022-09-28 | 2024-03-28 | Schneider Electric (Australia) Pty Ltd. | System and method for restraining differential bias |
CN115792782B (zh) * | 2023-01-06 | 2023-04-14 | 石家庄科林电气股份有限公司 | Ct饱和的识别方法、装置、电子设备及存储介质 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2012402A2 (en) * | 2007-07-06 | 2009-01-07 | AREVA T&D UK Ltd. | Improvements in or relating to current differential protection relays |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5443545A (en) | 1977-09-12 | 1979-04-06 | Mitsubishi Electric Corp | Differential protective relaying equipment |
US6442010B1 (en) * | 2000-04-03 | 2002-08-27 | General Electric Company | Differential protective relay for electrical buses with improved immunity to saturation of current transformers |
FR2817086B1 (fr) * | 2000-11-17 | 2003-01-03 | Alstom | Procede d'equilibrage statistique de mesures de transformateurs de courant pour une protection differentielle de jeu de barres |
US6940702B2 (en) * | 2002-07-12 | 2005-09-06 | Mcgraw-Edison Company | Electrical protection system |
SE0303615D0 (sv) * | 2003-12-31 | 2003-12-31 | Abb Ab | Method and device for Fault Detection in Transformers |
WO2008025309A1 (de) * | 2006-08-31 | 2008-03-06 | Siemens Aktiengesellschaft | Differentialschutzverfahren und differentialschutzeinrichtung |
WO2009014143A1 (ja) | 2007-07-24 | 2009-01-29 | Panasonic Electric Works Co., Ltd. | 充電監視装置 |
FR2969845B1 (fr) | 2010-12-28 | 2013-04-26 | Schneider Electric Ind Sas | Dispositif et procede de protection terre restreinte |
CA2764088A1 (en) * | 2011-01-14 | 2012-07-14 | Erlphase Power Technologies Limited | Rate of change differential protection |
EP2984719B1 (en) * | 2013-04-07 | 2020-05-27 | ABB Power Grids Switzerland AG | A method for detecting fault and current differential protection system thereof |
CN103986132B (zh) | 2014-05-09 | 2016-09-07 | 天津大学 | 一种输电线路行波差动保护方法 |
EP3304668B1 (en) * | 2015-05-26 | 2019-03-06 | ABB Schweiz AG | Travelling wave protection of a transmission line based on high-pass filtering |
CN104852354A (zh) | 2015-06-04 | 2015-08-19 | 南京南瑞继保电气有限公司 | 一种自适应斜率的变压器零序差动保护方法和装置 |
-
2016
- 2016-01-27 WO PCT/EP2016/051622 patent/WO2017129233A1/en unknown
- 2016-01-27 US US15/780,524 patent/US10243351B2/en active Active
- 2016-01-27 CN CN201680078254.2A patent/CN108475913B/zh active Active
- 2016-01-27 EP EP16702506.3A patent/EP3408910B1/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2012402A2 (en) * | 2007-07-06 | 2009-01-07 | AREVA T&D UK Ltd. | Improvements in or relating to current differential protection relays |
Also Published As
Publication number | Publication date |
---|---|
WO2017129233A1 (en) | 2017-08-03 |
US10243351B2 (en) | 2019-03-26 |
EP3408910A1 (en) | 2018-12-05 |
EP3408910B1 (en) | 2021-05-05 |
US20180358802A1 (en) | 2018-12-13 |
CN108475913A (zh) | 2018-08-31 |
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TR01 | Transfer of patent right |
Effective date of registration: 20200608 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: 20240105 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 |