CA866426A - Product responsive relay - Google Patents

Product responsive relay

Info

Publication number
CA866426A
CA866426A CA866426A CA866426DA CA866426A CA 866426 A CA866426 A CA 866426A CA 866426 A CA866426 A CA 866426A CA 866426D A CA866426D A CA 866426DA CA 866426 A CA866426 A CA 866426A
Authority
CA
Canada
Prior art keywords
responsive relay
product responsive
product
relay
responsive
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
CA866426A
Inventor
M. Crockett John
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 Canada Inc
Original Assignee
Canadian Westinghouse Co Ltd
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 Canadian Westinghouse Co Ltd filed Critical Canadian Westinghouse Co Ltd
Application granted granted Critical
Publication of CA866426A publication Critical patent/CA866426A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
CA866426A 1966-10-22 1966-10-22 Product responsive relay Expired CA866426A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA973810 1966-10-22

Publications (1)

Publication Number Publication Date
CA866426A true CA866426A (en) 1971-03-16

Family

ID=4142693

Family Applications (1)

Application Number Title Priority Date Filing Date
CA866426A Expired CA866426A (en) 1966-10-22 1966-10-22 Product responsive relay

Country Status (5)

Country Link
US (1) US3538384A (en)
JP (1) JPS4719540Y1 (en)
CA (1) CA866426A (en)
CH (1) CH465700A (en)
DE (1) DE1588110A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1275560A (en) * 1968-12-10 1972-05-24 English Electric Co Ltd Selector circuit for determining faults in polyphase transmission systems
SE384611B (en) * 1974-06-20 1976-05-10 Asea Ab FILTER PROTECTION FOR RELAY PROTECTION
US4148087A (en) * 1977-04-20 1979-04-03 Phadke Arun G Distance relay for electric power transmission lines

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2922109A (en) * 1954-11-19 1960-01-19 Gen Electric Electric phase discriminator
US3214641A (en) * 1962-01-15 1965-10-26 Westinghouse Electric Corp Protective relay devices
US3210606A (en) * 1962-02-09 1965-10-05 Westinghouse Electric Corp Protective relaying systems
CH419326A (en) * 1964-03-20 1966-08-31 Bbc Brown Boveri & Cie Frequency and amplitude dependent setpoint generator

Also Published As

Publication number Publication date
JPS4719540Y1 (en) 1972-07-03
US3538384A (en) 1970-11-03
DE1588110A1 (en) 1970-12-10
CH465700A (en) 1968-11-30

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