JPS5325847A - Phase comparison relay device - Google Patents

Phase comparison relay device

Info

Publication number
JPS5325847A
JPS5325847A JP9881277A JP9881277A JPS5325847A JP S5325847 A JPS5325847 A JP S5325847A JP 9881277 A JP9881277 A JP 9881277A JP 9881277 A JP9881277 A JP 9881277A JP S5325847 A JPS5325847 A JP S5325847A
Authority
JP
Japan
Prior art keywords
relay device
phase comparison
comparison relay
phase
relay
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.)
Pending
Application number
JP9881277A
Other languages
English (en)
Japanese (ja)
Inventor
Ribingusuton Hainman J Uorutaa
Utsudobarii Gonnamu Ratsuseru
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 JPS5325847A publication Critical patent/JPS5325847A/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
    • H02H3/26—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)
JP9881277A 1976-08-20 1977-08-19 Phase comparison relay device Pending JPS5325847A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/716,045 US4053940A (en) 1976-08-20 1976-08-20 Modified offset keying apparatus for phase comparison relaying

Publications (1)

Publication Number Publication Date
JPS5325847A true JPS5325847A (en) 1978-03-10

Family

ID=24876503

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9881277A Pending JPS5325847A (en) 1976-08-20 1977-08-19 Phase comparison relay device

Country Status (11)

Country Link
US (1) US4053940A (enExample)
JP (1) JPS5325847A (enExample)
BR (1) BR7705487A (enExample)
CA (1) CA1085953A (enExample)
DE (1) DE2736953A1 (enExample)
ES (1) ES461776A1 (enExample)
FR (1) FR2362513A1 (enExample)
GB (1) GB1587447A (enExample)
IT (1) IT1088501B (enExample)
MX (1) MX143975A (enExample)
SE (1) SE438580B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008018977A (ja) * 2006-07-13 2008-01-31 Taisei Kako Co Ltd キャップ付き容器におけるキャップの閉蓋案内装置。

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54137649A (en) * 1978-04-18 1979-10-25 Tokyo Electric Power Co Inc:The Digital protective relay device
JPS5752321A (en) 1980-09-10 1982-03-27 Mitsubishi Electric Corp Phase discriminator
US4935837A (en) * 1989-04-03 1990-06-19 Abb Power T&D Company Inc. Phase comparison relaying system with single channel communications link
US6469882B1 (en) * 2001-10-31 2002-10-22 General Electric Company Current transformer initial condition correction

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5013937A (enExample) * 1973-06-08 1975-02-13

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986079A (en) * 1975-02-07 1976-10-12 Westinghouse Electric Corporation Offset keying technique for segregated phase comparison relaying

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5013937A (enExample) * 1973-06-08 1975-02-13

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008018977A (ja) * 2006-07-13 2008-01-31 Taisei Kako Co Ltd キャップ付き容器におけるキャップの閉蓋案内装置。

Also Published As

Publication number Publication date
FR2362513A1 (fr) 1978-03-17
IT1088501B (it) 1985-06-10
ES461776A1 (es) 1978-12-01
GB1587447A (en) 1981-04-01
MX143975A (es) 1981-08-12
DE2736953A1 (de) 1978-02-23
US4053940A (en) 1977-10-11
BR7705487A (pt) 1978-07-04
SE438580B (sv) 1985-04-22
SE7709367L (sv) 1978-02-21
FR2362513B1 (enExample) 1980-05-16
CA1085953A (en) 1980-09-16

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