DE69228500D1 - Vorrichtung zur Messung einer Nullvoltphase - Google Patents

Vorrichtung zur Messung einer Nullvoltphase

Info

Publication number
DE69228500D1
DE69228500D1 DE69228500T DE69228500T DE69228500D1 DE 69228500 D1 DE69228500 D1 DE 69228500D1 DE 69228500 T DE69228500 T DE 69228500T DE 69228500 T DE69228500 T DE 69228500T DE 69228500 D1 DE69228500 D1 DE 69228500D1
Authority
DE
Germany
Prior art keywords
zero
measuring
volt phase
volt
phase
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 - Fee Related
Application number
DE69228500T
Other languages
English (en)
Other versions
DE69228500T2 (de
Inventor
Yoshikazu Nara
Koji Kasai
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69228500D1 publication Critical patent/DE69228500D1/de
Publication of DE69228500T2 publication Critical patent/DE69228500T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R7/00—Instruments capable of converting two or more currents or voltages into a single mechanical displacement
    • G01R7/04—Instruments capable of converting two or more currents or voltages into a single mechanical displacement for forming a quotient
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
DE69228500T 1991-06-03 1992-06-02 Vorrichtung zur Messung einer Nullvoltphase Expired - Fee Related DE69228500T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13091791 1991-06-03

Publications (2)

Publication Number Publication Date
DE69228500D1 true DE69228500D1 (de) 1999-04-08
DE69228500T2 DE69228500T2 (de) 1999-07-15

Family

ID=15045761

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69228500T Expired - Fee Related DE69228500T2 (de) 1991-06-03 1992-06-02 Vorrichtung zur Messung einer Nullvoltphase

Country Status (4)

Country Link
US (1) US5214373A (de)
EP (1) EP0517147B1 (de)
KR (1) KR960003360B1 (de)
DE (1) DE69228500T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3109633B2 (ja) * 1993-05-25 2000-11-20 株式会社日立製作所 絶縁劣化検出装置
FR2740899B1 (fr) * 1995-11-06 1997-12-05 Gec Alsthom T D Balteau Transformateur de mesure non conventionnel
FI108167B (fi) * 2000-03-21 2001-11-30 Abb T & D Tech Ltd Sähköjohdon suureiden mittaus
US7271996B2 (en) * 2004-12-03 2007-09-18 Electro Industries/Gauge Tech Current inputs interface for an electrical device
US20150309085A1 (en) * 2014-04-28 2015-10-29 Rockwell Automation Technologies, Inc. Calculating line-to-neutral voltages without a connection to a system neutral or earth ground

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1684056A (en) * 1924-09-10 1928-09-11 Westinghouse Electric & Mfg Co Electrical measuring instrument
US2583798A (en) * 1949-11-14 1952-01-29 Gen Electric Power factor and phase rotation hook on meter
US3293497A (en) * 1962-04-03 1966-12-20 Abraham B Brandler Ground fault detector
FR1416357A (fr) * 1964-03-23 1965-11-05 Comp Generale Electricite Dispositif sélecteur de phase
US3377551A (en) * 1964-06-26 1968-04-09 Gen Electric Multiphase current transformer fault indicator
US3584299A (en) * 1969-07-11 1971-06-08 Sun Oil Co Hook-on power factor, volt and ampere meter
AU426585B2 (en) * 1971-09-02 1972-07-27 The Council Ofthe City Ofthe Blue Mountains Fault detector for h. v. transmission lines
US3968432A (en) * 1973-10-12 1976-07-06 General Electric Company Remote voltage sensor for power system regulation
US4060843A (en) * 1974-10-21 1977-11-29 Bost Charles H Protection circuit for multiple phase power systems
JPS5653532A (en) * 1979-10-02 1981-05-13 Kansai Electric Power Co Method and device for discriminating grounddfault phase
US4451783A (en) * 1981-09-03 1984-05-29 Institut Elektrodinamiki Akademii Nauk Ukrainskoi Ssr Method of detecting symmetrical components of supply-line three-phase voltage and device for carrying out same
US4819119A (en) * 1987-11-12 1989-04-04 General Electric Company Faulted phase selector for single pole tripping and reclosing schemes
US4901005A (en) * 1988-12-05 1990-02-13 International Business Machines Corporation Zero voltage crossover detector for polyphase systems
JP2838287B2 (ja) * 1989-06-29 1998-12-16 株式会社安川電機 電圧検出装置
JPH0834663B2 (ja) * 1989-07-21 1996-03-29 中部電力株式会社 零相電圧検出装置

Also Published As

Publication number Publication date
DE69228500T2 (de) 1999-07-15
EP0517147A3 (en) 1994-12-14
US5214373A (en) 1993-05-25
KR930000958A (ko) 1993-01-16
EP0517147A2 (de) 1992-12-09
EP0517147B1 (de) 1999-03-03
KR960003360B1 (ko) 1996-03-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee