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BR8205988A - Processo e aparelho para detecao de uma falha monofasica a terra em um sistema trifasico de energia eletrica - Google Patents

Processo e aparelho para detecao de uma falha monofasica a terra em um sistema trifasico de energia eletrica

Info

Publication number
BR8205988A
BR8205988A BR8205988A BR8205988A BR8205988A BR 8205988 A BR8205988 A BR 8205988A BR 8205988 A BR8205988 A BR 8205988A BR 8205988 A BR8205988 A BR 8205988A BR 8205988 A BR8205988 A BR 8205988A
Authority
BR
Brazil
Prior art keywords
monophase
earth
failure
detection
electric power
Prior art date
Application number
BR8205988A
Other languages
English (en)
Inventor
Walter A Elmore
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of BR8205988A publication Critical patent/BR8205988A/pt

Links

Classifications

    • 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
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • G01R27/18—Measuring resistance to earth, i.e. line to ground
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/16—Measuring asymmetry of polyphase networks
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • 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
    • H02H3/38—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 both voltage and current; responsive to phase angle between voltage and current
    • H02H3/385—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 both voltage and current; responsive to phase angle between voltage and current using at least one homopolar quantity
    • 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
    • H02H3/40—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 ratio of voltage and current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
BR8205988A 1981-11-13 1982-10-14 Processo e aparelho para detecao de uma falha monofasica a terra em um sistema trifasico de energia eletrica BR8205988A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/321,158 US4398232A (en) 1981-11-13 1981-11-13 Protective relaying methods and apparatus

Publications (1)

Publication Number Publication Date
BR8205988A true BR8205988A (pt) 1983-09-13

Family

ID=23249444

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8205988A BR8205988A (pt) 1981-11-13 1982-10-14 Processo e aparelho para detecao de uma falha monofasica a terra em um sistema trifasico de energia eletrica

Country Status (9)

Country Link
US (1) US4398232A (pt)
EP (1) EP0079504A1 (pt)
JP (1) JPS5889028A (pt)
AU (1) AU560005B2 (pt)
BR (1) BR8205988A (pt)
CA (1) CA1187555A (pt)
ES (1) ES8402429A1 (pt)
MX (1) MX156810A (pt)
ZA (1) ZA827239B (pt)

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US6738719B2 (en) 2001-09-13 2004-05-18 Abb Power Automation Ltd. Crossover fault classification for power lines with parallel circuits
US6721670B2 (en) 2001-09-13 2004-04-13 Abb Power Automation Ltd. Crossover fault classification for power lines with parallel circuits
RU2221325C2 (ru) * 2001-12-11 2004-01-10 Закрытое акционерное общество "ЭЛЕКТРОН" Станция управления асинхронным двигателем
RU2222026C2 (ru) * 2002-01-11 2004-01-20 Новосибирский государственный технический университет Способ определения расстояния до места однофазного замыкания в распределительных сетях
RU2232456C1 (ru) * 2002-11-10 2004-07-10 Новосибирский государственный технический университет Способ распознавания однофазного дугового замыкания на землю и поврежденной фазы в распределительных сетях с резонансно заземленной нейтралью
SE0303615D0 (sv) * 2003-12-31 2003-12-31 Abb Ab Method and device for Fault Detection in Transformers
RU2270456C2 (ru) * 2004-02-16 2006-02-20 Государственное образовательное учреждение Курский государственный технический университет (ГОУКурскГТУ) Способ определения максимального емкостного тока однофазного замыкания на землю в трехфазной кабельной электрической сети с компенсированной заземляющим дугогасящим ступенчаторегулируемым реактором нейтралью
US7264372B2 (en) * 2004-03-16 2007-09-04 Mag Instrument, Inc. Apparatus and method for aligning a substantial point source of light with a reflector feature
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FR2930041B1 (fr) * 2008-04-11 2010-07-30 Ece Dispositif de detection d'un defaut electrique dans un reseau alternatif.
JP5361305B2 (ja) * 2008-09-18 2013-12-04 株式会社東芝 送電線路の再閉路方式
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CN103048502B (zh) * 2012-12-11 2015-04-29 国网智能电网研究院 一种可关断器件阀稳态运行试验装置的控制保护系统
CN103823153B (zh) * 2014-03-12 2017-01-11 中国电建集团中南勘测设计研究院有限公司 一种35kV配网单相接地故障类型判断装置
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CN109842343B (zh) * 2019-02-18 2020-09-25 清华大学 基于十二相电机的飞轮储能系统容错运行控制方法及装置
CN111025085B (zh) * 2019-12-20 2020-12-22 华南理工大学 基于线电压增大量的单相故障选相方法、装置及存储介质
US11159010B1 (en) * 2020-05-19 2021-10-26 Russell W. Patterson Apparatus and method for producing negative sequence current
RU2738469C1 (ru) * 2020-05-26 2020-12-14 Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования «Новосибирский Государственный Технический Университет» Способ определения фидера с однофазным замыканием на землю в трехфазных электрических сетях с неэффективно заземленной нейтралью
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Also Published As

Publication number Publication date
JPS5889028A (ja) 1983-05-27
ES517308A0 (es) 1984-01-16
MX156810A (es) 1988-10-05
ZA827239B (en) 1983-10-26
US4398232A (en) 1983-08-09
CA1187555A (en) 1985-05-21
ES8402429A1 (es) 1984-01-16
AU8896882A (en) 1983-05-19
EP0079504A1 (en) 1983-05-25
AU560005B2 (en) 1987-03-26

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Legal Events

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MM Lapse due to non-payment of fees (art. 50)