SE404110B - Skyddsreleanordning som skyddar en ledningssektion hos en kraftoverforingsledning - Google Patents

Skyddsreleanordning som skyddar en ledningssektion hos en kraftoverforingsledning

Info

Publication number
SE404110B
SE404110B SE7601299A SE7601299A SE404110B SE 404110 B SE404110 B SE 404110B SE 7601299 A SE7601299 A SE 7601299A SE 7601299 A SE7601299 A SE 7601299A SE 404110 B SE404110 B SE 404110B
Authority
SE
Sweden
Prior art keywords
protects
power transmission
transmission line
relay device
pipe section
Prior art date
Application number
SE7601299A
Other languages
English (en)
Swedish (sv)
Other versions
SE7601299L (sv
Inventor
Jr W L Hinman
R W Gonnam
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.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of SE7601299L publication Critical patent/SE7601299L/xx
Publication of SE404110B publication Critical patent/SE404110B/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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/28—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
    • H02H3/30—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel
    • H02H3/302—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel involving phase comparison

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
SE7601299A 1975-02-07 1976-02-06 Skyddsreleanordning som skyddar en ledningssektion hos en kraftoverforingsledning SE404110B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/548,135 US3986079A (en) 1975-02-07 1975-02-07 Offset keying technique for segregated phase comparison relaying

Publications (2)

Publication Number Publication Date
SE7601299L SE7601299L (sv) 1976-08-09
SE404110B true SE404110B (sv) 1978-09-18

Family

ID=24187567

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7601299A SE404110B (sv) 1975-02-07 1976-02-06 Skyddsreleanordning som skyddar en ledningssektion hos en kraftoverforingsledning

Country Status (13)

Country Link
US (1) US3986079A (pm)
JP (1) JPS51103241A (pm)
AR (1) AR211115A1 (pm)
AU (1) AU504420B2 (pm)
BR (1) BR7600682A (pm)
CA (1) CA1019432A (pm)
DE (1) DE2604312A1 (pm)
ES (1) ES444971A1 (pm)
FR (1) FR2300448A1 (pm)
GB (1) GB1531571A (pm)
IN (1) IN145805B (pm)
IT (1) IT1056691B (pm)
SE (1) SE404110B (pm)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053940A (en) * 1976-08-20 1977-10-11 Westinghouse Electric Corporation Modified offset keying apparatus for phase comparison relaying
SE409266B (sv) * 1977-11-28 1979-08-06 Asea Ab Releskydd med fasvis sperrfunktion
US4234901A (en) * 1979-03-08 1980-11-18 Westinghouse Electric Corp. Protective relay apparatus
US4935837A (en) * 1989-04-03 1990-06-19 Abb Power T&D Company Inc. Phase comparison relaying system with single channel communications link
US6130531A (en) * 1995-11-17 2000-10-10 Hao; Yushan Phase angle measurement method and system in electric power systems

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3176190A (en) * 1960-12-16 1965-03-30 Gen Electric Phase-comparison protective relaying system
US3295019A (en) * 1964-06-29 1966-12-27 Westinghouse Electric Corp Phase comparison relaying device
US3470418A (en) * 1967-06-06 1969-09-30 Westinghouse Electric Corp Phase comparison relaying network
US3590324A (en) * 1969-06-27 1971-06-29 Westinghouse Electric Corp Phase comparison relaying network
US3612952A (en) * 1970-06-30 1971-10-12 Westinghouse Electric Corp Time delay signal device especially for phase comparison protective relaying system
US3710189A (en) * 1971-07-22 1973-01-09 Westinghouse Electric Corp Time delay signal device especially for phase comparison protective relaying system
US3882361A (en) * 1972-10-04 1975-05-06 Westinghouse Electric Corp Segregated phase comparison relaying apparatus
US3893008A (en) * 1972-10-04 1975-07-01 Westinghouse Electric Corp Segregated phase comparison relaying apparatus
AR207747A1 (es) * 1972-10-04 1976-10-29 Westinghouse Electric Corp Dispositivo de aparatos-rele protectores
JPS5013937A (pm) * 1973-06-08 1975-02-13
US3832601A (en) * 1973-08-09 1974-08-27 Westinghouse Electric Corp Phase comparison relaying apparatus with two-count by-pass circuit
JPS5514609A (en) * 1978-07-15 1980-02-01 Matsushita Electric Works Ltd Large current thermal relay

Also Published As

Publication number Publication date
FR2300448A1 (fr) 1976-09-03
SE7601299L (sv) 1976-08-09
CA1019432A (en) 1977-10-18
DE2604312A1 (de) 1976-08-19
GB1531571A (en) 1978-11-08
IT1056691B (it) 1982-02-20
AR211115A1 (es) 1977-10-31
IN145805B (pm) 1978-12-30
US3986079A (en) 1976-10-12
AU504420B2 (en) 1979-10-11
BR7600682A (pt) 1976-08-31
AU1076376A (en) 1977-08-11
ES444971A1 (es) 1977-07-16
JPS51103241A (pm) 1976-09-11

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