JPS4836644A - - Google Patents

Info

Publication number
JPS4836644A
JPS4836644A JP47089648A JP8964872A JPS4836644A JP S4836644 A JPS4836644 A JP S4836644A JP 47089648 A JP47089648 A JP 47089648A JP 8964872 A JP8964872 A JP 8964872A JP S4836644 A JPS4836644 A JP S4836644A
Authority
JP
Japan
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.)
Pending
Application number
JP47089648A
Inventor
D W Little
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 JPS4836644A publication Critical patent/JPS4836644A/ja
Pending 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
    • H02H3/003—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 reversal of power transmission direction
    • 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

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP47089648A 1971-09-10 1972-09-08 Pending JPS4836644A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17950071A 1971-09-10 1971-09-10

Publications (1)

Publication Number Publication Date
JPS4836644A true JPS4836644A (ja) 1973-05-30

Family

ID=22656848

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47089648A Pending JPS4836644A (ja) 1971-09-10 1972-09-08

Country Status (8)

Country Link
US (1) US3697811A (ja)
JP (1) JPS4836644A (ja)
BR (1) BR7206212D0 (ja)
CH (1) CH552295A (ja)
DE (1) DE2243481A1 (ja)
ES (1) ES406425A1 (ja)
GB (1) GB1374909A (ja)
SE (1) SE375887B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014017947A (ja) * 2012-07-06 2014-01-30 Toshiba Corp ネットワークプロテクタ

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100587A (en) * 1976-12-28 1978-07-11 General Electric Company Circuit for detecting the flow of an excess of reverse power from a load to a power system
NL7815033A (nl) * 1977-08-26 1979-09-28 Coal Industry Patents Ltd Inrichting en werkwijze voor het bedrijven van een dynamo-elektrische machine.
JPS5561231A (en) * 1978-10-31 1980-05-08 Tokyo Shibaura Electric Co Protecting relay
US4293886A (en) * 1979-12-17 1981-10-06 Westinghouse Electric Corp. Network protector relay
US4329727A (en) * 1980-07-16 1982-05-11 General Electric Company Directional power distance relay
US4488198A (en) * 1981-01-15 1984-12-11 Sundstrand Corporation Protective circuit for clutchless parallel generating system
US4398255A (en) * 1981-06-26 1983-08-09 General Electric Company Polyphase angle estimator
US4453190A (en) * 1982-04-23 1984-06-05 Pavlodarsky Industrialny Institut Method of short circuit protection of electrical three-phase machine and device therefor
DE3626398A1 (de) * 1986-08-04 1988-02-11 Siemens Ag Elektronischer ueberstromausloeser
US8860353B1 (en) * 2011-04-22 2014-10-14 Dgi Creations, Llc Protection for a network protector close motor
GB201717999D0 (en) 2017-10-31 2017-12-13 Sensor Driven Ltd Electronic circuits comprising voltage detectors

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1138615A (en) * 1965-03-22 1969-01-01 English Electric Co Ltd Electrical protective relay arrangement
US3374399A (en) * 1966-02-01 1968-03-19 Gen Electric Distance protective relaying
US3532935A (en) * 1968-02-21 1970-10-06 Gen Electric Static network protective relay

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014017947A (ja) * 2012-07-06 2014-01-30 Toshiba Corp ネットワークプロテクタ

Also Published As

Publication number Publication date
BR7206212D0 (pt) 1973-07-10
SE375887B (ja) 1975-04-28
ES406425A1 (es) 1975-07-01
CH552295A (de) 1974-07-31
GB1374909A (en) 1974-11-20
US3697811A (en) 1972-10-10
DE2243481A1 (de) 1973-03-15

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