DE69228500D1 - Vorrichtung zur Messung einer Nullvoltphase - Google Patents
Vorrichtung zur Messung einer NullvoltphaseInfo
- 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
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)
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)
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)
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 |
-
1992
- 1992-05-30 KR KR1019920009382A patent/KR960003360B1/ko not_active IP Right Cessation
- 1992-06-02 EP EP92109240A patent/EP0517147B1/de not_active Expired - Lifetime
- 1992-06-02 US US07/893,205 patent/US5214373A/en not_active Expired - Fee Related
- 1992-06-02 DE DE69228500T patent/DE69228500T2/de not_active Expired - Fee Related
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 |