FR2275778A1 - Appareil pour la mesure de l'energie electrique - Google Patents
Appareil pour la mesure de l'energie electriqueInfo
- Publication number
- FR2275778A1 FR2275778A1 FR7516916A FR7516916A FR2275778A1 FR 2275778 A1 FR2275778 A1 FR 2275778A1 FR 7516916 A FR7516916 A FR 7516916A FR 7516916 A FR7516916 A FR 7516916A FR 2275778 A1 FR2275778 A1 FR 2275778A1
- Authority
- FR
- France
- Prior art keywords
- equipment
- electrical energy
- measuring electrical
- measuring
- energy
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/127—Arrangements for measuring electric power or power factor by using pulse modulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Amplitude Modulation (AREA)
- Inverter Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/474,519 US3947763A (en) | 1974-05-30 | 1974-05-30 | C-MOS electronic kWh meter and method for metering electrical energy |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2275778A1 true FR2275778A1 (fr) | 1976-01-16 |
FR2275778B1 FR2275778B1 (fr) | 1979-04-13 |
Family
ID=23883879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7516916A Granted FR2275778A1 (fr) | 1974-05-30 | 1975-05-30 | Appareil pour la mesure de l'energie electrique |
Country Status (6)
Country | Link |
---|---|
US (1) | US3947763A (fr) |
JP (1) | JPS513274A (fr) |
CA (1) | CA1035839A (fr) |
CH (1) | CH598606A5 (fr) |
DE (1) | DE2522624A1 (fr) |
FR (1) | FR2275778A1 (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4056775A (en) * | 1977-01-07 | 1977-11-01 | General Electric Company | Electronic kWh meter having internal power supply and error correction system |
CA1167532A (fr) * | 1980-07-10 | 1984-05-15 | Gerald L. Larson | Sonde de puissance pour four a micro-ondes |
US4498138A (en) * | 1980-10-06 | 1985-02-05 | Square D Company | Electronic watt/var transducer |
CA1199070A (fr) * | 1980-10-06 | 1986-01-07 | Prentice G. Moore | Convertisseur w/var electronique |
US4451784A (en) * | 1981-10-15 | 1984-05-29 | General Electric Company | Electronic watt transducer circuit with constant DC current output proportional to watts |
US4495463A (en) * | 1982-02-24 | 1985-01-22 | General Electric Company | Electronic watt and/or watthour measuring circuit having active load terminated current sensor for sensing current and providing automatic zero-offset of current sensor DC offset error potentials |
US4754219A (en) * | 1985-09-09 | 1988-06-28 | General Electric Company | Low cost self-contained transformerless solid state electronic watthour meter having thin film ferromagnetic current sensor |
US4761606A (en) * | 1986-12-22 | 1988-08-02 | General Electric Company | Auto-ranging in electric watthour meter |
US4749940A (en) * | 1986-12-22 | 1988-06-07 | General Electric Company | Folded bar current sensor |
US4801874A (en) * | 1987-02-27 | 1989-01-31 | Process Systems, Inc. | Method and apparatus for measuring electricity |
DE19907950C2 (de) * | 1999-02-24 | 2002-01-10 | Siemens Ag | Meßvorrichtung |
CN111308190A (zh) * | 2020-03-20 | 2020-06-19 | 威胜信息技术股份有限公司 | 一种高精度直流电能检测装置和方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA801200A (en) * | 1968-12-10 | W. Clarke Ganton | Solid state ac-dc watthour meter | |
GB1224162A (en) * | 1967-01-10 | 1971-03-03 | English Electric Co Ltd | Improvements in power meters |
CH460169A (de) * | 1967-11-13 | 1968-07-31 | Landis & Gyr Ag | Verfahren zur Messung elektrischer Wirkenergie und Schaltungsanordnung zur Durchführung des Verfahrens |
US3525042A (en) * | 1967-11-13 | 1970-08-18 | Landis & Gyr Ag | Method and apparatus for statistically measuring electrical power consumption |
CH472677A (de) * | 1968-10-18 | 1969-05-15 | Landis & Gyr Ag | Schaltungsanordnung zur Messung elektrischer Energie |
US3818340A (en) * | 1971-03-26 | 1974-06-18 | Yokogawa Electric Works Ltd | Electronic watt-hour meter with digital output representing time-integrated input |
US3794917A (en) * | 1972-03-09 | 1974-02-26 | Esterline Corp | Electronic watt transducer |
-
1974
- 1974-05-30 US US05/474,519 patent/US3947763A/en not_active Expired - Lifetime
-
1975
- 1975-05-02 CA CA226,110A patent/CA1035839A/fr not_active Expired
- 1975-05-22 DE DE19752522624 patent/DE2522624A1/de not_active Withdrawn
- 1975-05-26 CH CH668675A patent/CH598606A5/xx not_active IP Right Cessation
- 1975-05-29 JP JP50063553A patent/JPS513274A/ja active Pending
- 1975-05-30 FR FR7516916A patent/FR2275778A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
CH598606A5 (fr) | 1978-05-12 |
DE2522624A1 (de) | 1975-12-11 |
FR2275778B1 (fr) | 1979-04-13 |
JPS513274A (fr) | 1976-01-12 |
CA1035839A (fr) | 1978-08-01 |
US3947763A (en) | 1976-03-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |