CA1142580A - Protective circuit for zinc oxide varistors - Google Patents

Protective circuit for zinc oxide varistors

Info

Publication number
CA1142580A
CA1142580A CA000349248A CA349248A CA1142580A CA 1142580 A CA1142580 A CA 1142580A CA 000349248 A CA000349248 A CA 000349248A CA 349248 A CA349248 A CA 349248A CA 1142580 A CA1142580 A CA 1142580A
Authority
CA
Canada
Prior art keywords
voltage
current
resistor
transformer
high voltage
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
CA000349248A
Other languages
English (en)
French (fr)
Inventor
John R. Hamann
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
Application granted granted Critical
Publication of CA1142580A publication Critical patent/CA1142580A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/06—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/043—Protection of over-voltage protection device by short-circuiting

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Thermistors And Varistors (AREA)
CA000349248A 1979-04-20 1980-04-03 Protective circuit for zinc oxide varistors Expired CA1142580A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32,013 1979-04-20
US06/032,013 US4259704A (en) 1979-04-20 1979-04-20 Protective circuit for zinc oxide varistors

Publications (1)

Publication Number Publication Date
CA1142580A true CA1142580A (en) 1983-03-08

Family

ID=21862645

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000349248A Expired CA1142580A (en) 1979-04-20 1980-04-03 Protective circuit for zinc oxide varistors

Country Status (8)

Country Link
US (1) US4259704A (US08197722-20120612-C00042.png)
JP (1) JPS55156302A (US08197722-20120612-C00042.png)
CA (1) CA1142580A (US08197722-20120612-C00042.png)
CH (1) CH655622B (US08197722-20120612-C00042.png)
DE (1) DE3013911A1 (US08197722-20120612-C00042.png)
ES (1) ES8103616A1 (US08197722-20120612-C00042.png)
FR (1) FR2454717B1 (US08197722-20120612-C00042.png)
SE (1) SE442801B (US08197722-20120612-C00042.png)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE426895B (sv) * 1981-07-06 1983-02-14 Asea Ab Skyddsanordning for en seriekondensator i ett hogspenningsnet
US4482930A (en) * 1982-06-11 1984-11-13 Westinghouse Electric Corp. Electrical protection equipment with digital integration apparatus for firing pulse initiation
SE460323B (sv) * 1988-02-15 1989-09-25 Asea Brown Boveri Seriekondensatorutrustning
US7821749B2 (en) * 2007-03-30 2010-10-26 General Electric Company Arc flash elimination apparatus and method
US7929260B2 (en) * 2007-03-30 2011-04-19 General Electric Company Arc flash elimination system, apparatus, and method
US8742282B2 (en) * 2007-04-16 2014-06-03 General Electric Company Ablative plasma gun
US8563888B2 (en) * 2008-06-11 2013-10-22 General Electric Company Arc containment device and method
CN101447651B (zh) * 2008-12-12 2012-12-26 中国电力科学研究院 一种瞬时连续触发的控制装置
US8228645B2 (en) * 2009-03-03 2012-07-24 General Electric Company Systems and methods for protecting a series capacitor bank
CN103235201A (zh) * 2011-12-09 2013-08-07 中国电力科学研究院 特高压串补火花间隙触发控制箱型式试验方法及试验电路
DE102013108658B4 (de) 2013-08-09 2022-03-17 Tdk Electronics Ag Funkenstreckenanordnung und elektronisches Bauteil

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2072717A (en) * 1935-09-26 1937-03-02 Westinghouse Electric & Mfg Co Protective device for capacitors
CH213121A (de) * 1939-06-12 1941-01-15 Haefely & Cie Ag Emil Schaltungsanordnung zum Schutze eines in einem elektrischen Leitungssystem vorgesehenen Kondensators.
US2363898A (en) * 1940-10-26 1944-11-28 Gen Electric Protective system
US2942152A (en) * 1954-05-13 1960-06-21 Mc Graw Edison Co Discharge gap protective device
US3319121A (en) * 1965-03-08 1967-05-09 Gen Electric Means comprising a triggered vacuum circuit interrupter for protection against overvoltages
US3581264A (en) * 1969-04-21 1971-05-25 Dale Electronics Method of creating variable electrical resistance and means for creating the same
US3619721A (en) * 1970-06-01 1971-11-09 Gen Electric Triggered vacuum gap keep-alive circuit
JPS5942536B2 (ja) * 1974-07-10 1984-10-16 三菱電機株式会社 直列コンデンサの保護装置
JPS5351943U (US08197722-20120612-C00042.png) * 1976-10-07 1978-05-02
JPS53107941U (US08197722-20120612-C00042.png) * 1977-02-04 1978-08-30
US4174529A (en) * 1978-04-10 1979-11-13 General Electric Company Protective circuit for zinc oxide varistors

Also Published As

Publication number Publication date
CH655622B (US08197722-20120612-C00042.png) 1986-04-30
ES490655A0 (es) 1981-03-16
ES8103616A1 (es) 1981-03-16
FR2454717A1 (fr) 1980-11-14
JPH0119235B2 (US08197722-20120612-C00042.png) 1989-04-11
FR2454717B1 (fr) 1985-11-08
SE8002835L (sv) 1980-10-21
DE3013911C2 (US08197722-20120612-C00042.png) 1990-09-06
JPS55156302A (en) 1980-12-05
DE3013911A1 (de) 1980-10-30
US4259704A (en) 1981-03-31
SE442801B (sv) 1986-01-27

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Legal Events

Date Code Title Description
MKEX Expiry