CH677036A5 - - Google Patents
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- Publication number
- CH677036A5 CH677036A5 CH3028/87A CH302887A CH677036A5 CH 677036 A5 CH677036 A5 CH 677036A5 CH 3028/87 A CH3028/87 A CH 3028/87A CH 302887 A CH302887 A CH 302887A CH 677036 A5 CH677036 A5 CH 677036A5
- Authority
- CH
- Switzerland
- Prior art keywords
- output
- pole
- input
- hall element
- amplifier
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/08—Arrangements for measuring electric power or power factor by using galvanomagnetic-effect devices, e.g. Hall-effect devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH3028/87A CH677036A5 (US07585860-20090908-C00112.png) | 1987-08-06 | 1987-08-06 | |
EP88104425A EP0302172A1 (de) | 1987-08-06 | 1988-03-19 | Anordnung zur Ermittlung einer Summe elektrischer Leistungen, insbesondere zur Verwendung in Mehrphasen-Elektrizitätszählern |
US07/225,528 US4853620A (en) | 1987-08-06 | 1988-07-28 | Circuit arrangement comprising multiplier circuits to find the sum of electrical power outputs for application in multi-phase electricity meters |
JP63187060A JPS6454373A (en) | 1987-08-06 | 1988-07-28 | Total power detector used for multi-phase wattmeter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH3028/87A CH677036A5 (US07585860-20090908-C00112.png) | 1987-08-06 | 1987-08-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH677036A5 true CH677036A5 (US07585860-20090908-C00112.png) | 1991-03-28 |
Family
ID=4247019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH3028/87A CH677036A5 (US07585860-20090908-C00112.png) | 1987-08-06 | 1987-08-06 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4853620A (US07585860-20090908-C00112.png) |
EP (1) | EP0302172A1 (US07585860-20090908-C00112.png) |
JP (1) | JPS6454373A (US07585860-20090908-C00112.png) |
CH (1) | CH677036A5 (US07585860-20090908-C00112.png) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5229713A (en) * | 1991-04-25 | 1993-07-20 | General Electric Company | Method for determining electrical energy consumption |
JP3002310B2 (ja) * | 1991-11-21 | 2000-01-24 | 株式会社東芝 | 電力量計 |
US5537029A (en) * | 1992-02-21 | 1996-07-16 | Abb Power T&D Company Inc. | Method and apparatus for electronic meter testing |
US5457621A (en) * | 1992-02-21 | 1995-10-10 | Abb Power T&D Company Inc. | Switching power supply having voltage blocking clamp |
JP3011559B2 (ja) * | 1992-12-11 | 2000-02-21 | 株式会社東芝 | 電力乗算回路 |
BR9712557A (pt) | 1996-10-22 | 1999-12-28 | Abb Power T & D Co | Medidor para medir energia elétrica, e, processo implementado for processador eletrônico para medir energia elétrica |
US7355867B2 (en) * | 2004-08-17 | 2008-04-08 | Elster Electricity, Llc | Power supply for an electric meter having a high-voltage regulator that limits the voltage applied to certain components below the normal operating input voltage |
JP2009156699A (ja) * | 2007-12-26 | 2009-07-16 | Toshiba Corp | 磁気検出回路 |
DK2427949T3 (da) | 2009-05-07 | 2020-06-29 | Virginia Electric And Power Company | Voltage conservation using advanced metering infrastructure and substation centralized voltage control |
US9563218B2 (en) | 2013-03-15 | 2017-02-07 | Dominion Resources, Inc. | Electric power system control with measurement of energy demand and energy efficiency using t-distributions |
US9582020B2 (en) | 2013-03-15 | 2017-02-28 | Dominion Resources, Inc. | Maximizing of energy delivery system compatibility with voltage optimization using AMI-based data control and analysis |
US9553453B2 (en) | 2013-03-15 | 2017-01-24 | Dominion Resources, Inc. | Management of energy demand and energy efficiency savings from voltage optimization on electric power systems using AMI-based data analysis |
US9678520B2 (en) | 2013-03-15 | 2017-06-13 | Dominion Resources, Inc. | Electric power system control with planning of energy demand and energy efficiency using AMI-based data analysis |
US9847639B2 (en) | 2013-03-15 | 2017-12-19 | Dominion Energy, Inc. | Electric power system control with measurement of energy demand and energy efficiency |
US10732656B2 (en) | 2015-08-24 | 2020-08-04 | Dominion Energy, Inc. | Systems and methods for stabilizer control |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH483021A (de) * | 1967-08-22 | 1969-12-15 | Siemens Ag | Elektronischer Mehrphasen-Elektrizitätszähler |
US3875508A (en) * | 1973-09-07 | 1975-04-01 | Gen Electric | Metering electrical energy (kWh) in single phase systems |
US3955138A (en) * | 1974-11-06 | 1976-05-04 | General Electric Company | Electronic energy consumption meter with input transformer having single resistance terminated secondary winding coupled to C-MOS switches driven by pulse width modulated control signals |
US3921069A (en) * | 1974-11-06 | 1975-11-18 | Gen Electric | Variable gain electronic current transformer |
DE2951627C2 (de) * | 1979-12-21 | 1986-03-20 | Deutsche Zähler-Gesellschaft Nachf. A. Stepper & Co, 2000 Hamburg | Korrekturschaltung für Elektrizitäts-und Wärmemengenzähler mit elektronischem Meßwerk |
JPS582084A (ja) * | 1981-06-26 | 1983-01-07 | Toshiba Corp | ホ−ル素子装置 |
JPS5828665A (ja) * | 1981-08-13 | 1983-02-19 | Mitsubishi Electric Corp | 電力量計 |
DE3329760A1 (de) * | 1983-08-17 | 1985-02-28 | Siemens AG, 1000 Berlin und 8000 München | Elektronischer elektrizitaetszaehler mit automatischem offsetgroessenabgleich |
US4616179A (en) * | 1984-05-11 | 1986-10-07 | Eaton Corporation | Method of measuring torque of an AC motor |
US4764720A (en) * | 1985-12-05 | 1988-08-16 | Load Controls Incorporated | Apparatus and method for measuring variable frequency power |
CH673160A5 (US07585860-20090908-C00112.png) * | 1986-02-10 | 1990-02-15 | Landis & Gyr Ag |
-
1987
- 1987-08-06 CH CH3028/87A patent/CH677036A5/de not_active IP Right Cessation
-
1988
- 1988-03-19 EP EP88104425A patent/EP0302172A1/de not_active Withdrawn
- 1988-07-28 US US07/225,528 patent/US4853620A/en not_active Expired - Fee Related
- 1988-07-28 JP JP63187060A patent/JPS6454373A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US4853620A (en) | 1989-08-01 |
JPS6454373A (en) | 1989-03-01 |
EP0302172A1 (de) | 1989-02-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |