ZA835341B - Phase relay for ac power transmission line protection - Google Patents

Phase relay for ac power transmission line protection

Info

Publication number
ZA835341B
ZA835341B ZA835341A ZA835341A ZA835341B ZA 835341 B ZA835341 B ZA 835341B ZA 835341 A ZA835341 A ZA 835341A ZA 835341 A ZA835341 A ZA 835341A ZA 835341 B ZA835341 B ZA 835341B
Authority
ZA
South Africa
Prior art keywords
power transmission
transmission line
line protection
phase relay
relay
Prior art date
Application number
ZA835341A
Other languages
English (en)
Inventor
Stanley Bruce Wilkinson
Edmund Alexander George
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of ZA835341B publication Critical patent/ZA835341B/xx

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
    • H02H3/40—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
    • 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
    • H02H3/382—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 involving phase comparison between current and voltage or between values derived from current and voltage
ZA835341A 1982-07-29 1983-07-21 Phase relay for ac power transmission line protection ZA835341B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/403,273 US4420788A (en) 1982-07-29 1982-07-29 Phase relay for AC power transmission line protection

Publications (1)

Publication Number Publication Date
ZA835341B true ZA835341B (en) 1984-06-27

Family

ID=23595180

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA835341A ZA835341B (en) 1982-07-29 1983-07-21 Phase relay for ac power transmission line protection

Country Status (7)

Country Link
US (1) US4420788A (en, 2012)
EP (1) EP0151565B1 (en, 2012)
JP (1) JPS60501986A (en, 2012)
ES (1) ES524543A0 (en, 2012)
MX (1) MX155232A (en, 2012)
WO (1) WO1985000932A1 (en, 2012)
ZA (1) ZA835341B (en, 2012)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8506256D0 (en) * 1985-03-11 1985-04-11 Johns A T Electrical supply line protection apparatus
US4686601A (en) * 1985-10-02 1987-08-11 General Electric Company Ground distance relay for AC power transmission line protection
US4751604A (en) * 1986-10-16 1988-06-14 General Electric Company Comparison signal error detector for protective relay system
US4823226A (en) * 1987-09-17 1989-04-18 Square D Company Phase loss detection circuit including transient protection
US4821137A (en) * 1987-11-12 1989-04-11 General Electric Company Positive sequence distance relay for AC power transmission line protection
US4873602A (en) * 1987-11-12 1989-10-10 General Electric Company Ripple attenuator for AC power transmission line protective relays
US4825323A (en) * 1987-11-12 1989-04-25 General Electric Company Out-of-step blocking unit
US4868704A (en) * 1988-11-14 1989-09-19 General Electric Company Apparatus for providing distance protection and distance measurement for a high voltage transmission line
US5790418A (en) * 1995-10-17 1998-08-04 Schweitzer Engineering Laboratories, Inc. Adaptive polarizing memory voltage time constant
US5742513A (en) * 1996-05-15 1998-04-21 Abb Power T&D Company Inc. Methods and systems for automatic testing of a relay
US7299143B2 (en) * 2005-05-13 2007-11-20 Abb Technology Ag Method and apparatus for improving operational reliability during a loss of a phase voltage
CN1299412C (zh) * 2005-11-18 2007-02-07 北京交通大学 利用同侧电流流向变化实现方向保护的方法
CN103036218B (zh) * 2012-12-07 2015-04-08 国电南瑞科技股份有限公司 一种改进的零序电抗继电器保护装置和方法
US10978866B2 (en) 2018-10-02 2021-04-13 Schweitzer Engineering Laboratories, Inc. Polarizing signal for electric power delivery system protection
US11271389B2 (en) 2020-06-24 2022-03-08 Schweitzer Engineering Laboratories, Inc. Distance protection using supervised sequence currents and voltages for electric power delivery systems
US11598800B2 (en) 2021-03-25 2023-03-07 Schweitzer Engineering Laboratories, Inc. Distance elements for line protection near unconventional sources
CN117293938A (zh) * 2022-06-17 2023-12-26 上海韦尔半导体股份有限公司 电力供给系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1096413A (en) * 1964-04-28 1967-12-29 English Electric Co Ltd Electrical protective relays
US3374399A (en) * 1966-02-01 1968-03-19 Gen Electric Distance protective relaying
US3992651A (en) * 1975-04-01 1976-11-16 General Electric Company Active symmetrical component network for protective relays
US4034269A (en) * 1975-12-12 1977-07-05 General Electric Company Protective relay circuits
US4148087A (en) * 1977-04-20 1979-04-03 Phadke Arun G Distance relay for electric power transmission lines
CH618294A5 (en, 2012) * 1977-09-06 1980-07-15 Bbc Brown Boveri & Cie
US4161011A (en) * 1978-02-21 1979-07-10 General Electric Company Ground distance relay employing phase comparator measurement
US4342064A (en) * 1978-02-21 1982-07-27 General Electric Company Static distance relays with improved polarizing signal
US4342062A (en) * 1979-05-21 1982-07-27 General Electric Company Sequence network circuits for protective relaying applications
US4296451A (en) * 1979-10-11 1981-10-20 General Electric Company Ultra high speed protective relay circuit

Also Published As

Publication number Publication date
EP0151565A1 (en) 1985-08-21
WO1985000932A1 (en) 1985-02-28
JPH0516255B2 (en, 2012) 1993-03-03
EP0151565B1 (en) 1989-06-28
ES8405564A1 (es) 1984-06-01
ES524543A0 (es) 1984-06-01
JPS60501986A (ja) 1985-11-14
MX155232A (es) 1988-02-08
EP0151565A4 (en) 1986-05-14
US4420788A (en) 1983-12-13

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