ES466743A1 - Mejoras en circuitos electricos de reles protectores para control del disparo de tres polos de un ruptor de circuito. - Google Patents

Mejoras en circuitos electricos de reles protectores para control del disparo de tres polos de un ruptor de circuito.

Info

Publication number
ES466743A1
ES466743A1 ES466743A ES466743A ES466743A1 ES 466743 A1 ES466743 A1 ES 466743A1 ES 466743 A ES466743 A ES 466743A ES 466743 A ES466743 A ES 466743A ES 466743 A1 ES466743 A1 ES 466743A1
Authority
ES
Spain
Prior art keywords
protective relay
relay circuit
interphase faults
interphase
faults
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
ES466743A
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.)
General Electric Co
Original Assignee
General Electric 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 General Electric Co filed Critical General Electric Co
Publication of ES466743A1 publication Critical patent/ES466743A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H02H3/387—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 phase-sequence analysing arrangements

Landscapes

  • Emergency Protection Circuit Devices (AREA)
ES466743A 1977-02-10 1978-02-07 Mejoras en circuitos electricos de reles protectores para control del disparo de tres polos de un ruptor de circuito. Expired ES466743A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/767,279 US4091433A (en) 1977-02-10 1977-02-10 Protective relay circuit for interphase faults

Publications (1)

Publication Number Publication Date
ES466743A1 true ES466743A1 (es) 1978-10-16

Family

ID=25079014

Family Applications (1)

Application Number Title Priority Date Filing Date
ES466743A Expired ES466743A1 (es) 1977-02-10 1978-02-07 Mejoras en circuitos electricos de reles protectores para control del disparo de tres polos de un ruptor de circuito.

Country Status (9)

Country Link
US (1) US4091433A (es)
JP (1) JPS53109145A (es)
BR (1) BR7800833A (es)
DE (1) DE2805094A1 (es)
ES (1) ES466743A1 (es)
FR (1) FR2385247A1 (es)
GB (1) GB1590665A (es)
SE (1) SE7801595L (es)
ZA (1) ZA7880B (es)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4342064A (en) * 1978-02-21 1982-07-27 General Electric Company Static distance relays with improved polarizing signal
US4161011A (en) * 1978-02-21 1979-07-10 General Electric Company Ground distance relay employing phase comparator measurement
US4346307A (en) * 1978-11-03 1982-08-24 S & C Electric Company Voltage-unbalance detector for polyphase electrical systems
US4293886A (en) * 1979-12-17 1981-10-06 Westinghouse Electric Corp. Network protector relay
US4704653A (en) * 1985-12-10 1987-11-03 Westinghouse Electric Corp. Transformer differential relay with speed-up apparatus
SE459059B (sv) * 1987-09-16 1989-05-29 Asea Ab Skydd foer hoegresistiva jordfel
US4885655A (en) * 1987-10-07 1989-12-05 Spring Valley Associates, Inc. Water pump protector unit
US4972289A (en) * 1987-10-07 1990-11-20 Spring Valley Associates Electric motor control and protective assembly for fluid pump operation
US4841404A (en) * 1987-10-07 1989-06-20 Spring Valley Associates, Inc. Pump and electric motor protector
US5883578A (en) * 1996-07-26 1999-03-16 Schweitzer Engineering Laboratories, Inc. Loss of potential determination for use in protective relays for electric power systems
US5768079A (en) * 1996-09-25 1998-06-16 Cooper Industries, Inc. Adaptive ground and phase fault detection for a power distribution system
WO1999008356A1 (de) * 1997-08-12 1999-02-18 Siemens Aktiengesellschaft Verfahren zur überwachung eines schutzgerätes
EP0933643A1 (de) * 1998-02-02 1999-08-04 Trench Austria GmbH Verfahren zur Fehlerortung in Drehstromnetzen
KR100766365B1 (ko) * 2006-07-06 2007-10-12 한국철도기술연구원 전기철도용 직류급전계통에서의 델타아이지락보호계전시스템 및 그 제어방법
CN103595022B (zh) * 2013-12-03 2017-11-28 国家电网公司 500kV变电所35kV所用变压器串联电抗器的继电保护控制方法
EP3093675B1 (en) * 2015-05-14 2019-01-16 General Electric Technology GmbH Improvements in or relating to direct current protection schemes
CN113257634A (zh) 2016-08-05 2021-08-13 立维腾制造有限公司 结合复位锁定机构的断路器
CN107979076B (zh) * 2017-11-30 2022-06-10 中国电力科学研究院有限公司 一种基于暂态分量频谱特征的输电线路保护方法及系统
US11610751B2 (en) 2019-12-09 2023-03-21 Leviton Manufacturing Co., Inc. Circuit breakers incorporating reset lockout mechanisms

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2242951A (en) * 1938-11-12 1941-05-20 Westinghouse Electric & Mfg Co Protective relaying equipment
US2406411A (en) * 1944-01-21 1946-08-27 Westinghouse Electric Corp Universal sequence-current relaying means
GB1175071A (en) * 1966-01-26 1969-12-23 English Electric Co Ltd Improvements in Polyphase Protective Relays
FR1597420A (es) * 1968-07-05 1970-06-29
JPS5512817B1 (es) * 1970-11-19 1980-04-04

Also Published As

Publication number Publication date
FR2385247A1 (fr) 1978-10-20
ZA7880B (en) 1978-11-29
SE7801595L (sv) 1978-08-11
DE2805094A1 (de) 1978-08-17
JPS53109145A (en) 1978-09-22
GB1590665A (en) 1981-06-03
BR7800833A (pt) 1978-11-07
US4091433A (en) 1978-05-23

Similar Documents

Publication Publication Date Title
ES466743A1 (es) Mejoras en circuitos electricos de reles protectores para control del disparo de tres polos de un ruptor de circuito.
ZA761088B (en) An improvement in or relating to multipole ground fault circuit breaker
ES483045A1 (es) Mejoras en los interruptores electricos de proteccion total
GB893282A (en) Improvements in or relating to trip devices for automatic electric circuit breakers
CA1034993A (en) Ground fault circuit breaker with ground fault trip indicator
NZ180655A (en) Circuit breaker and ground fault interrupter:trip current derivation
ES417370A1 (es) Un disyuntor de circuito.
GB869351A (en) Selective trip arrangement utilizing circuit breakers which are coordinated with current limiting fuses
GB1254515A (en) Ground fault circuit interrupters
GB1531913A (en) Two pole ground fault circuit interrupter
GB894912A (en) Improvements in two pole electric circuit breakers
SE7906664L (sv) Effektbrytarsystem
ZA77910B (en) An improvement in or relating to circuit breaker with improved means having a high rating shunt trip
ZA765654B (en) An improvement in or relating to ground fault circuit interrupter with trip level adjustment
GB872869A (en) Circuit breaker with plug isolators particularly for metal clad electric switchgear
JPS5317946A (en) Grounding power circuit for enclosed switchboard
JPS52153133A (en) Drawer type switching device
JPS5320549A (en) Circuit breaker
JPS5460442A (en) Breaker closing circuit
AU247185B2 (en) Improvements in trip means in bimetallic electric circuit breakers
JPS5372149A (en) Protective relay
JPS5267745A (en) Switching protective device
JPS5450944A (en) Protective device for synchronous motor
AU6697360A (en) Improvements in trip means in bimetallic electric circuit breakers
JPS5242234A (en) Control method and device for power system

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971001