JPS6334985B2 - - Google Patents

Info

Publication number
JPS6334985B2
JPS6334985B2 JP55125810A JP12581080A JPS6334985B2 JP S6334985 B2 JPS6334985 B2 JP S6334985B2 JP 55125810 A JP55125810 A JP 55125810A JP 12581080 A JP12581080 A JP 12581080A JP S6334985 B2 JPS6334985 B2 JP S6334985B2
Authority
JP
Japan
Prior art keywords
circuit
output
level
detection level
detection
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
JP55125810A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5752321A (en
Inventor
Makoto Suzuki
Genzaburo Kotani
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP55125810A priority Critical patent/JPS5752321A/ja
Priority to US06/293,988 priority patent/US4427947A/en
Priority to IN929/CAL/81A priority patent/IN154796B/en
Priority to AU74456/81A priority patent/AU530879B2/en
Priority to EP81304118A priority patent/EP0047673B1/en
Publication of JPS5752321A publication Critical patent/JPS5752321A/ja
Publication of JPS6334985B2 publication Critical patent/JPS6334985B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
    • 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
    • H02H3/265—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 responsive to phase angle between voltages or between currents

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Phase Differences (AREA)
  • Emergency Protection Circuit Devices (AREA)
JP55125810A 1980-09-10 1980-09-10 Phase discriminator Granted JPS5752321A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP55125810A JPS5752321A (en) 1980-09-10 1980-09-10 Phase discriminator
US06/293,988 US4427947A (en) 1980-09-10 1981-08-18 Phase discriminator circuit
IN929/CAL/81A IN154796B (enExample) 1980-09-10 1981-08-20
AU74456/81A AU530879B2 (en) 1980-09-10 1981-08-24 Phase descriminator circuit
EP81304118A EP0047673B1 (en) 1980-09-10 1981-09-09 Phase discriminator circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55125810A JPS5752321A (en) 1980-09-10 1980-09-10 Phase discriminator

Publications (2)

Publication Number Publication Date
JPS5752321A JPS5752321A (en) 1982-03-27
JPS6334985B2 true JPS6334985B2 (enExample) 1988-07-13

Family

ID=14919477

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55125810A Granted JPS5752321A (en) 1980-09-10 1980-09-10 Phase discriminator

Country Status (5)

Country Link
US (1) US4427947A (enExample)
EP (1) EP0047673B1 (enExample)
JP (1) JPS5752321A (enExample)
AU (1) AU530879B2 (enExample)
IN (1) IN154796B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5854724A (ja) * 1981-09-28 1983-03-31 Horiba Ltd 自動位相校正方法及び装置
CN104198781B (zh) * 2014-09-05 2017-09-15 珠海迈科智能科技股份有限公司 一种控制交流信号输出的方法及装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE324835B (enExample) * 1968-10-14 1970-06-15 Asea Ab
CH518555A (de) * 1970-02-05 1972-01-31 Bbc Brown Boveri & Cie Verfahren zur eindeutigen Bestimmung der Phasenverschiebung zwischen zwei periodischen, in ihrer Frequenz gleichen oder nahezu gleichen elektrischen Signalen
FR2160306B1 (enExample) * 1971-11-19 1974-05-10 Schlumberger Compteurs
US3743951A (en) 1972-04-26 1973-07-03 Us Navy Voltage controlled up-down clock rate generator
US4053940A (en) 1976-08-20 1977-10-11 Westinghouse Electric Corporation Modified offset keying apparatus for phase comparison relaying
US4225795A (en) 1978-05-30 1980-09-30 General Electric Company Coincidence circuit for a protective relay circuit
JPS55101868A (en) 1979-01-30 1980-08-04 Yokogawa Hewlett Packard Ltd Device for measuring vector voltage ratio
US4371974A (en) 1981-02-25 1983-02-01 Rockwell International Corporation NRZ Data phase detector

Also Published As

Publication number Publication date
AU7445681A (en) 1982-03-18
IN154796B (enExample) 1984-12-15
JPS5752321A (en) 1982-03-27
EP0047673A1 (en) 1982-03-17
EP0047673B1 (en) 1985-05-02
US4427947A (en) 1984-01-24
AU530879B2 (en) 1983-08-04

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