BRPI0820011A2 - Detector de corrente direcionada para dentro do transformador - Google Patents

Detector de corrente direcionada para dentro do transformador

Info

Publication number
BRPI0820011A2
BRPI0820011A2 BRPI0820011-4A BRPI0820011A BRPI0820011A2 BR PI0820011 A2 BRPI0820011 A2 BR PI0820011A2 BR PI0820011 A BRPI0820011 A BR PI0820011A BR PI0820011 A2 BRPI0820011 A2 BR PI0820011A2
Authority
BR
Brazil
Prior art keywords
transformer
current detector
detector directed
directed
current
Prior art date
Application number
BRPI0820011-4A
Other languages
English (en)
Inventor
Ljubomir A Kojovic
Martin T Bishop
Timothy R Day
Original Assignee
Cooper Technologies Co
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 Cooper Technologies Co filed Critical Cooper Technologies Co
Publication of BRPI0820011A2 publication Critical patent/BRPI0820011A2/pt

Links

Classifications

    • 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
    • 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
    • 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
    • H02H3/44—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 the rate of change of electrical quantities

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Protection Of Transformers (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
BRPI0820011-4A 2007-12-07 2008-11-21 Detector de corrente direcionada para dentro do transformador BRPI0820011A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/999,813 US7738221B2 (en) 2007-12-07 2007-12-07 Transformer inrush current detector
PCT/US2008/084339 WO2009073407A1 (en) 2007-12-07 2008-11-21 Transformer inrush current detector

Publications (1)

Publication Number Publication Date
BRPI0820011A2 true BRPI0820011A2 (pt) 2015-05-19

Family

ID=40718099

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0820011-4A BRPI0820011A2 (pt) 2007-12-07 2008-11-21 Detector de corrente direcionada para dentro do transformador

Country Status (8)

Country Link
US (1) US7738221B2 (pt)
EP (1) EP2223404B1 (pt)
BR (1) BRPI0820011A2 (pt)
CA (1) CA2707481C (pt)
ES (1) ES2542877T3 (pt)
MX (1) MX2010006153A (pt)
TW (1) TW200934027A (pt)
WO (1) WO2009073407A1 (pt)

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US8743513B2 (en) * 2010-06-03 2014-06-03 Shakira Limited Arc fault detector for AC or DC installations
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CN103548228B9 (zh) 2011-05-19 2016-07-20 Abb技术有限公司 用于保护电力网络的系统和方法
KR101233048B1 (ko) * 2011-07-22 2013-02-13 엘에스산전 주식회사 한류기
KR101233003B1 (ko) * 2011-07-22 2013-02-13 엘에스산전 주식회사 한류기
CN104205543B (zh) * 2011-09-06 2018-10-19 富兰克林控制系统有限公司 可分离绕组电机的启动器装置、系统和/或方法
CN103683195B (zh) * 2012-09-11 2016-12-21 南京南瑞继保电气有限公司 静止变频器系统输出变压器变频差动保护方法
WO2014079511A1 (de) * 2012-11-26 2014-05-30 Siemens Aktiengesellschaft Differentialschutzverfahren und schutzgerät zum durchführen eines differentialschutzverfahrens
ES2412604B2 (es) * 2012-12-20 2014-03-27 Universidad Politécnica de Madrid Método de bloqueo de la protección diferencial para evitar disparos no deseados basado en supervisión conjunta de las fases
US8830645B2 (en) * 2013-01-11 2014-09-09 Cooper Technologies Company Power spike mitigation
CN103683198B (zh) * 2013-12-03 2017-01-04 昆明理工大学 一种基于差动电流相邻阶次差分构成的平面上相邻点距离的励磁涌流快速识别方法
US9891289B2 (en) 2014-06-03 2018-02-13 Cooper Technologies Company Power transformer inrush current detector
EP3204636B1 (en) * 2014-10-10 2019-08-14 ABB Schweiz AG Method and system for protecting wind farm during disconnection to utility grid
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GB2546743B (en) 2016-01-26 2019-02-13 Shakira Ltd An arc fault current detector
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EP3447870B1 (de) * 2017-08-22 2022-11-30 Siemens Aktiengesellschaft Differentialschutzverfahren, differentialschutzeinrichtung und differentialschutzsystem
CN108173240B (zh) * 2017-12-19 2019-06-28 华中科技大学 一种基于复合时差法的变压器励磁涌流识别方法及系统
EP3783763A4 (en) * 2018-05-30 2022-02-23 NR Electric Co., Ltd. LONGITUDINAL DIFFERENTIAL PROTECTION METHOD FOR TRANSFORMERS
DE102019120400A1 (de) * 2019-07-29 2021-02-04 Friedrich-Alexander-Universität Erlangen-Nürnberg Verfahren zum Erkennen eines Inrushereignisses, Computerprogramm und Trennvorrichtung
MX2019015169A (es) 2019-12-13 2021-06-14 Prolec S A De C V Aparato y método para identificar una falla en devanados de un transformador de distribución.
CN111740383B (zh) * 2020-06-29 2022-10-21 江苏大唐国际吕四港发电有限责任公司 一种消除发电机组协调控制中涌流影响的方法
CN112039021B (zh) * 2020-09-08 2022-04-12 河南理工大学 基于差分波形参量的变压器励磁涌流鉴别方法
CN112865018B (zh) * 2021-01-08 2022-03-18 河海大学 一种储能电站多端汇流变压器保护方法
US12424798B2 (en) 2022-06-06 2025-09-23 Vertiv Corporation Outlet in-rush current limiter for intelligent power strip
EP4333228A1 (en) * 2022-08-30 2024-03-06 Hitachi Energy Ltd Adaptive fault discrimination for a line differential protection
EP4415195A1 (de) * 2023-02-10 2024-08-14 Siemens Aktiengesellschaft Verfahren und anordnung zum erzeugen eines fehlersignals

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Also Published As

Publication number Publication date
WO2009073407A1 (en) 2009-06-11
EP2223404A1 (en) 2010-09-01
US7738221B2 (en) 2010-06-15
ES2542877T3 (es) 2015-08-12
CA2707481C (en) 2016-07-05
US20090147412A1 (en) 2009-06-11
EP2223404A4 (en) 2013-12-25
TW200934027A (en) 2009-08-01
EP2223404B1 (en) 2015-05-27
CA2707481A1 (en) 2009-06-11
MX2010006153A (es) 2010-07-02

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 5A, 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2343 DE 01-12-2015 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.