ES476633A1 - Un aparato revelador perfeccionado. - Google Patents

Un aparato revelador perfeccionado.

Info

Publication number
ES476633A1
ES476633A1 ES476633A ES476633A ES476633A1 ES 476633 A1 ES476633 A1 ES 476633A1 ES 476633 A ES476633 A ES 476633A ES 476633 A ES476633 A ES 476633A ES 476633 A1 ES476633 A1 ES 476633A1
Authority
ES
Spain
Prior art keywords
circuit
circuit breaker
polyphase
distribution
breaker
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.)
Expired
Application number
ES476633A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Electric Corp
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 ES476633A1 publication Critical patent/ES476633A1/es
Expired legal-status Critical Current

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
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/30—Staggered disconnection
    • 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
    • H02H3/402—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 using homopolar quantities

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

UN aparato revelador protector perfeccionada para detectar y despejar fallas de alta impedancia en un circuito de distribución eléctrico polifásico, que comprende una fuente polifásica de potencial alterno, un circuito de distribución polifásico, un circuito de carga, un primer interruptor de circuito para controlar la conexión del circuito de distribución a la fuente, un segundo interruptor de circuito para controlar la conexión del circuito de distribución al circuito de carga, caracterizado por: un primero y un segundo relevadores de relación a tierra en el primero y en el segundo de los interruptores de circuito, respectivamente para disparar el interruptor de circuito asociado después de un tiempo de retardo predeterminado cunado la relación de la corriente de secuencia a cero a una cantidad relacionada de corriente de fase predeterminada indica una condición de falla, y un relevador direccional de secuencia a cero en el segundo interruptor de circuito para coordinar el primero y el segundo de los relevadores de relación a tierra para ajustar el tiempo de retardo de disparo del segundo interruptor del circuito con relación al tiempo de retardo de disparo del primer interruptor de circuito, en respuesta a la dirección de flujo de la cantidad de secuencia a cero en el segundo interruptor de circuito.
ES476633A 1978-01-12 1979-01-08 Un aparato revelador perfeccionado. Expired ES476633A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86878978A 1978-01-12 1978-01-12

Publications (1)

Publication Number Publication Date
ES476633A1 true ES476633A1 (es) 1979-12-01

Family

ID=25352322

Family Applications (1)

Application Number Title Priority Date Filing Date
ES476633A Expired ES476633A1 (es) 1978-01-12 1979-01-08 Un aparato revelador perfeccionado.

Country Status (10)

Country Link
JP (1) JPS5497748A (es)
BR (1) BR7900098A (es)
DE (1) DE2900654A1 (es)
ES (1) ES476633A1 (es)
FR (1) FR2414810A1 (es)
GB (1) GB2012505B (es)
IT (1) IT1110058B (es)
MX (1) MX145530A (es)
SE (1) SE436237B (es)
ZA (1) ZA79137B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63179736U (es) * 1987-05-14 1988-11-21
SE459059B (sv) * 1987-09-16 1989-05-29 Asea Ab Skydd foer hoegresistiva jordfel
DE4439499C2 (de) * 1994-10-27 1998-01-29 Siemens Ag Verfahren zum Erfassen eines Erdkurzschlusses auf einer elektrischen Energieübertragungsleitung
US6453248B1 (en) * 1998-07-21 2002-09-17 Abb Inc. High impedance fault detection
AU755700B2 (en) * 1999-11-29 2002-12-19 Canon Kabushiki Kaisha Power generation system, and method for installing the same
ES2323994B1 (es) * 2006-10-25 2010-05-13 Universidad Del Pais Vasco-Euskal Herriko Unibertsitatea Sistema de proteccion de linea electrica para determinar el sentido en el que se produce una falta.
FI126892B (fi) * 2016-05-23 2017-07-31 Emtele Oy Vikavirtaindikaattori
FR3162942A1 (fr) * 2024-06-04 2025-12-05 Schneider Electric Industries Sas Circuit de protection d’un système d’alimentation électrique triphasé

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3539866A (en) * 1967-10-11 1970-11-10 Federal Pacific Electric Co Multi-zone fault protection systems

Also Published As

Publication number Publication date
JPS5497748A (en) 1979-08-02
DE2900654A1 (de) 1979-07-19
GB2012505B (en) 1982-04-28
SE436237B (sv) 1984-11-19
ZA79137B (en) 1979-12-27
IT7919231A0 (it) 1979-01-12
GB2012505A (en) 1979-07-25
SE7900254L (sv) 1979-09-14
IT1110058B (it) 1985-12-23
MX145530A (es) 1982-03-02
FR2414810A1 (fr) 1979-08-10
BR7900098A (pt) 1979-08-07

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