IN2015DN00125A - - Google Patents

Info

Publication number
IN2015DN00125A
IN2015DN00125A IN125DEN2015A IN2015DN00125A IN 2015DN00125 A IN2015DN00125 A IN 2015DN00125A IN 125DEN2015 A IN125DEN2015 A IN 125DEN2015A IN 2015DN00125 A IN2015DN00125 A IN 2015DN00125A
Authority
IN
India
Prior art keywords
factor
phase
waveform
waveform symmetry
transformer
Prior art date
Application number
Other languages
English (en)
Inventor
Wei Chen
lei ming Qin
Shu De Chen
Di Jun Gao
jin hui Li
Chun Rao
Min Yang
Original Assignee
Siemens Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of IN2015DN00125A publication Critical patent/IN2015DN00125A/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks
    • H02H1/043—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks to inrush currents
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/10—Measuring sum, difference or ratio
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0046—Arrangements for measuring currents or voltages or for indicating presence or sign thereof characterised by a specific application or detail not covered by any other subgroup of G01R19/00
    • G01R19/0053—Noise discrimination; Analog sampling; Measuring transients
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Protection Of Transformers (AREA)
  • Emergency Protection Circuit Devices (AREA)
IN125DEN2015 2012-08-31 2013-08-06 IN2015DN00125A (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210320886.9A CN103675415B (zh) 2012-08-31 2012-08-31 励磁涌流检测方法、励磁涌流制动方法及其装置
PCT/EP2013/066451 WO2014032915A1 (en) 2012-08-31 2013-08-06 Magnetizing inrush current detection method, magnetizing inrush current restraint method and device

Publications (1)

Publication Number Publication Date
IN2015DN00125A true IN2015DN00125A (ru) 2015-05-29

Family

ID=48998578

Family Applications (1)

Application Number Title Priority Date Filing Date
IN125DEN2015 IN2015DN00125A (ru) 2012-08-31 2013-08-06

Country Status (6)

Country Link
US (1) US20150204918A1 (ru)
EP (1) EP2891216B1 (ru)
CN (1) CN103675415B (ru)
BR (1) BR112015002982A2 (ru)
IN (1) IN2015DN00125A (ru)
WO (1) WO2014032915A1 (ru)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9891289B2 (en) 2014-06-03 2018-02-13 Cooper Technologies Company Power transformer inrush current detector
CN104133144B (zh) * 2014-08-04 2017-04-12 昆明理工大学 一种基于差动电流小波包分解的励磁涌流判别方法
CN104362590B (zh) * 2014-10-08 2018-05-04 许继集团有限公司 主变分侧差动保护公共绕组ct传变异常的识别方法
CN104332953B (zh) * 2014-11-20 2018-08-07 国网江苏省电力有限公司扬州供电分公司 一种基于波形对称的励磁涌流组合闭锁方法
JP6351537B2 (ja) * 2015-04-20 2018-07-04 三菱電機株式会社 信号処理装置、信号処理方法、および電力系統保護装置
CN104810795B (zh) * 2015-04-30 2017-10-24 国家电网公司 一种改进型励磁涌流鉴别方法
CN105186446B (zh) * 2015-07-08 2018-02-06 国网上海市电力公司 一种基于欧氏距离的电路识别器及识别方法
CN105137166B (zh) * 2015-09-09 2017-11-28 乐晓蓉 电力系统励磁涌流识别方法
CN105262051B (zh) * 2015-09-29 2018-01-16 湖南大学 基于采样序列绝对值偏态分布的变压器励磁涌流鉴别方法
EP3157112A1 (en) * 2015-10-12 2017-04-19 General Electric Technology GmbH Improvements in or relating to the protection of power transformers
CN105223450B (zh) * 2015-11-02 2018-06-26 乐晓蓉 变压器铁芯状态在线监测方法
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
CN106324328B (zh) * 2016-08-09 2019-01-29 华南理工大学 一种基于形态学级联腐蚀运算的变压器励磁涌流识别方法
CN107765077B (zh) * 2016-08-19 2021-01-15 中国电力科学研究院 一种励磁涌流识别方法及识别装置
CN106505523B (zh) * 2016-11-15 2019-05-03 国家电网公司 一种适用于牵引网变压器的励磁涌流识别方法
DE102016124233A1 (de) 2016-12-13 2018-06-14 TRUMPF Hüttinger GmbH + Co. KG Schutzanordnung zum Schutz eines Transformators und Verfahren zum Schutz eines Transformators
DK3396802T3 (da) * 2017-04-26 2022-03-14 Abb Spa Fremgangsmåde til identificering af en fejlhændelse i en sektor af et strømfordelingsnet
CN107765065B (zh) * 2017-09-06 2020-07-28 西安理工大学 一种基于基波衰减因子的配电网励磁涌流识别方法
CN110705031B (zh) * 2019-09-06 2021-07-06 西南交通大学 一种基于二阶泰勒系数的励磁涌流识别方法
CN110829371B (zh) * 2019-11-09 2021-08-03 天津大学 基于环流与零序电流波形相似度的励磁涌流识别方法
CN111103481A (zh) * 2019-12-11 2020-05-05 国家电网有限公司 一种变压器励磁涌流的识别方法
CN111525510B (zh) * 2020-05-06 2021-11-26 中国大唐集团科学技术研究总院有限公司华东电力试验研究院 基于Lagrange插值法的励磁涌流评估方法及装置
CN111969556B (zh) * 2020-08-13 2022-07-26 广东电网有限责任公司 一种励磁涌流判别方法及判别装置
CN112698246A (zh) * 2020-12-31 2021-04-23 中国电力科学研究院有限公司 基于电流突变量的变压器励磁涌流识别方法及装置
CN112787308B (zh) * 2021-01-25 2022-03-29 华南理工大学 基于差动电流占空比的变压器差动保护方法、系统及介质
CN113178851B (zh) * 2021-05-19 2022-09-27 中国南方电网有限责任公司超高压输电公司天生桥局 一种柔性直流联接变压器励磁涌流过大的解决方法
CN113836071B (zh) * 2021-11-26 2022-02-22 苏州浪潮智能科技有限公司 自纠正电路以及信号自纠正方法
CN115882432B (zh) * 2023-03-02 2023-05-23 山东大学 一种含iidg配电网主动注入式谐波电流差动保护方法及系统
CN117117789B (zh) * 2023-10-24 2024-01-30 国家电网有限公司西北分部 一种变压器保护方法和装置

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US3657605A (en) * 1969-07-02 1972-04-18 Ass Elect Ind Overcurrent transient non-responsive trip device
CN1037392C (zh) * 1995-11-24 1998-02-11 孙志杰 变压器差动保护的波形对称方法
CN1182297A (zh) * 1997-11-06 1998-05-20 电力工业部电力自动化研究院 变压器励磁涌流对称识别的继电保护方法及其装置
US6483680B1 (en) * 1999-10-13 2002-11-19 General Electric Co. Magnetizing inrush restraint method and relay for protection of power transformers
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
CN100336275C (zh) * 2004-05-14 2007-09-05 清华大学 基于虚拟磁通－差动电流特性的变压器差动保护方法
CN100492797C (zh) * 2006-10-16 2009-05-27 北京交通大学 基于波形正弦度原理的变压器励磁涌流识别方法
CN101257208A (zh) * 2007-12-21 2008-09-03 清华大学 一种变压器励磁涌流的鉴别方法
CN101764391B (zh) * 2009-08-20 2012-10-03 北京四方继保自动化股份有限公司 特高压变压器差动保护中励磁涌流制动的方法和系统
US8937822B2 (en) * 2011-05-08 2015-01-20 Paul Wilkinson Dent Solar energy conversion and utilization system
US9891289B2 (en) * 2014-06-03 2018-02-13 Cooper Technologies Company Power transformer inrush current detector

Also Published As

Publication number Publication date
BR112015002982A2 (pt) 2017-10-10
US20150204918A1 (en) 2015-07-23
CN103675415A (zh) 2014-03-26
EP2891216A1 (en) 2015-07-08
EP2891216B1 (en) 2020-04-01
CN103675415B (zh) 2017-03-01
WO2014032915A1 (en) 2014-03-06

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