GB1452616A - Phase comparison relaying apparatus with two-count by-pass circuit - Google Patents

Phase comparison relaying apparatus with two-count by-pass circuit

Info

Publication number
GB1452616A
GB1452616A GB5032773A GB5032773A GB1452616A GB 1452616 A GB1452616 A GB 1452616A GB 5032773 A GB5032773 A GB 5032773A GB 5032773 A GB5032773 A GB 5032773A GB 1452616 A GB1452616 A GB 1452616A
Authority
GB
United Kingdom
Prior art keywords
count
network
millisecond
phase comparison
pass circuit
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
GB5032773A
Other languages
English (en)
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 Electric 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.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB1452616A publication Critical patent/GB1452616A/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
    • H02H3/26—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)
GB5032773A 1973-08-09 1973-10-30 Phase comparison relaying apparatus with two-count by-pass circuit Expired GB1452616A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00387070A US3832601A (en) 1973-08-09 1973-08-09 Phase comparison relaying apparatus with two-count by-pass circuit

Publications (1)

Publication Number Publication Date
GB1452616A true GB1452616A (en) 1976-10-13

Family

ID=23528331

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5032773A Expired GB1452616A (en) 1973-08-09 1973-10-30 Phase comparison relaying apparatus with two-count by-pass circuit

Country Status (6)

Country Link
US (1) US3832601A (enrdf_load_stackoverflow)
JP (2) JPS5045253A (enrdf_load_stackoverflow)
CA (1) CA1022666A (enrdf_load_stackoverflow)
DE (1) DE2356959A1 (enrdf_load_stackoverflow)
ES (1) ES197868Y (enrdf_load_stackoverflow)
GB (1) GB1452616A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2213213A (en) * 1987-12-05 1989-08-09 John Charnley Friction clutch

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5828811B2 (ja) * 1973-06-11 1983-06-18 三菱電機株式会社 位相比較継電装置
US3983455A (en) * 1975-01-15 1976-09-28 Westinghouse Electric Corporation Direct transfer-trip relaying system
US3986079A (en) * 1975-02-07 1976-10-12 Westinghouse Electric Corporation Offset keying technique for segregated phase comparison relaying
GB1501351A (en) * 1975-02-07 1978-02-15 Westinghouse Electric Corp Protective relaying system
US4057841A (en) * 1976-08-20 1977-11-08 Westinghouse Electric Corporation Unsupervised trip keying for phase comparison relaying apparatus
JPS59136022A (ja) * 1983-01-24 1984-08-04 株式会社日立製作所 位相比較形距離継電器
JPS62165102A (ja) * 1986-01-16 1987-07-21 Tokyo Keiki Co Ltd 渦電流型センサの信号伝達機構
JPH0623612Y2 (ja) * 1987-03-11 1994-06-22 ニスコ株式会社 建物における壁用パネルの固定装置
AT398867B (de) * 1989-12-12 1995-02-27 Siemens Ag Oesterreich Schaltungsanordnung zur bestimmung der phasenlage von unterschiedlichen versorgungsspannungen, insbesondere für netzgeführte stromrichter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2213213A (en) * 1987-12-05 1989-08-09 John Charnley Friction clutch

Also Published As

Publication number Publication date
ES197868Y (es) 1975-10-16
JPS562723U (enrdf_load_stackoverflow) 1981-01-12
CA1022666A (en) 1977-12-13
ES197868U (es) 1975-05-01
JPS5045253A (enrdf_load_stackoverflow) 1975-04-23
DE2356959A1 (de) 1975-02-20
US3832601A (en) 1974-08-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee