CA483297A - Protective relays - Google Patents

Protective relays

Info

Publication number
CA483297A
CA483297A CA483297A CA483297DA CA483297A CA 483297 A CA483297 A CA 483297A CA 483297 A CA483297 A CA 483297A CA 483297D A CA483297D A CA 483297DA CA 483297 A CA483297 A CA 483297A
Authority
CA
Canada
Prior art keywords
protective relays
relays
protective
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
CA483297A
Other languages
French (fr)
Inventor
E. Glassburn William
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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.)
Publication date
Application granted granted Critical
Publication of CA483297A publication Critical patent/CA483297A/en
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
    • H02H3/08—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 excess current
    • H02H3/081—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 excess current and depending on the direction
CA483297A 1950-02-16 Protective relays Expired CA483297A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA483297T
US144401A US2565127A (en) 1950-02-16 1950-02-16 Protective relay

Publications (1)

Publication Number Publication Date
CA483297A true CA483297A (en) 1952-05-13

Family

ID=73042966

Family Applications (1)

Application Number Title Priority Date Filing Date
CA483297A Expired CA483297A (en) 1950-02-16 Protective relays

Country Status (2)

Country Link
US (1) US2565127A (en)
CA (1) CA483297A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2879453A (en) * 1954-11-19 1959-03-24 Gen Electric Fault responsive protective system for an electric power transmission line

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2379905A (en) * 1942-09-01 1945-07-10 Westinghouse Electric Corp High-speed relay
US2432328A (en) * 1943-07-16 1947-12-09 Gen Electric Current responsive time delay relay

Also Published As

Publication number Publication date
US2565127A (en) 1951-08-21

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