IT1127665B - Dispositivo per misurare una potenza elettrica - Google Patents
Dispositivo per misurare una potenza elettricaInfo
- Publication number
- IT1127665B IT1127665B IT27683/79A IT2768379A IT1127665B IT 1127665 B IT1127665 B IT 1127665B IT 27683/79 A IT27683/79 A IT 27683/79A IT 2768379 A IT2768379 A IT 2768379A IT 1127665 B IT1127665 B IT 1127665B
- Authority
- IT
- Italy
- Prior art keywords
- measure
- electric power
- electric
- power
- 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
- G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
- H03M1/181—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH12300/78A CH648934A5 (de) | 1978-12-01 | 1978-12-01 | Verfahren zur messung elektrischer leistung. |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7927683A0 IT7927683A0 (it) | 1979-11-29 |
IT1127665B true IT1127665B (it) | 1986-05-21 |
Family
ID=4381723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT27683/79A IT1127665B (it) | 1978-12-01 | 1979-11-29 | Dispositivo per misurare una potenza elettrica |
Country Status (8)
Country | Link |
---|---|
US (1) | US4356553A (it) |
EP (1) | EP0019621B1 (it) |
JP (1) | JPS6025745B2 (it) |
CH (1) | CH648934A5 (it) |
DE (1) | DE2967421D1 (it) |
IT (1) | IT1127665B (it) |
WO (1) | WO1980001206A1 (it) |
YU (1) | YU290279A (it) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4396986A (en) * | 1981-04-24 | 1983-08-02 | Hewlett-Packard Company | Digital DC power supply with current and voltage measurement |
US4581705A (en) * | 1983-01-28 | 1986-04-08 | Cooper Industries, Inc. | Method and machine for metering electric parameters |
US4720841A (en) * | 1985-05-15 | 1988-01-19 | Square D Company | Multi-channel voltage-to-frequency convertor |
US4675649A (en) * | 1985-09-11 | 1987-06-23 | Halliburton Company | Apparatus and method for interfacing a transducer |
US4924412A (en) * | 1987-06-25 | 1990-05-08 | Schlumberger Industries, Inc. | Integrated poly-phase power meter |
US4812943A (en) * | 1987-12-24 | 1989-03-14 | Sundstrand Corp. | Current fault protection system |
US4811136A (en) * | 1987-12-24 | 1989-03-07 | Jones Gregory D | Phase controller for processing current and voltage faults |
US4814934A (en) * | 1987-12-24 | 1989-03-21 | Sundstrand Corp. | Voltage fault detector |
US4879624A (en) * | 1987-12-24 | 1989-11-07 | Sundstrand Corporation | Power controller |
US5391983A (en) * | 1991-10-08 | 1995-02-21 | K C Corp. | Solid state electric power usage meter and method for determining power usage |
GB2306677B (en) * | 1995-11-02 | 2000-10-04 | Siemens Measurements Ltd | Improvements in or relating to electricity meters |
CN1211665C (zh) * | 2000-10-26 | 2005-07-20 | 皇家菲利浦电子有限公司 | 电子设备 |
US20050232378A1 (en) * | 2004-04-15 | 2005-10-20 | Mediatek Incorporation | Apparatus and method for echo indicator generation |
DE102007021079A1 (de) * | 2007-05-03 | 2008-11-13 | Voith Patent Gmbh | Verfahren zur Bestimmung von Arbeit/Leistung |
CA2929916C (en) | 2009-05-07 | 2019-12-03 | Dominion Resources, Inc. | Voltage conservation using advanced metering infrastructure and substation centralized voltage control |
US8907658B2 (en) | 2012-04-19 | 2014-12-09 | Kohler, Inc. | System and method of measuring power produced by a power source |
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 |
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 |
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 |
US9847639B2 (en) | 2013-03-15 | 2017-12-19 | Dominion Energy, Inc. | Electric power system control with measurement of energy demand and energy efficiency |
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 |
US10732656B2 (en) | 2015-08-24 | 2020-08-04 | Dominion Energy, Inc. | Systems and methods for stabilizer control |
US9829948B2 (en) * | 2015-09-18 | 2017-11-28 | Apple Inc. | Current and input voltage sense circuit for indirectly measuring regulator current |
Family Cites Families (7)
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 |
DE2710712A1 (de) * | 1977-03-09 | 1978-09-14 | Heliowatt Werke | Verfahren zur messung elektrischer wirkleistung und energie mit kompensation von abtastzeitfehlern |
US4077061A (en) * | 1977-03-25 | 1978-02-28 | Westinghouse Electric Corporation | Digital processing and calculating AC electric energy metering system |
US4218736A (en) * | 1978-04-03 | 1980-08-19 | Takeda Riken Kogyo Kabushikikaisha | Effective value measuring apparatus |
CH632847A5 (de) * | 1978-11-13 | 1982-10-29 | Landis & Gyr Ag | Einrichtung zur messung elektrischer leistung in einem wechselstromnetz. |
US4240149A (en) * | 1979-02-16 | 1980-12-16 | Leeds & Northrup Company | Measuring system |
US4250552A (en) * | 1979-09-10 | 1981-02-10 | Westinghouse Electric Corp. | AC Electric energy meter utilizing a counter as an integrator |
-
1978
- 1978-12-01 CH CH12300/78A patent/CH648934A5/de not_active IP Right Cessation
-
1979
- 1979-09-05 DE DE7979901005T patent/DE2967421D1/de not_active Expired
- 1979-09-05 WO PCT/CH1979/000119 patent/WO1980001206A1/de unknown
- 1979-09-05 US US06/201,489 patent/US4356553A/en not_active Expired - Lifetime
- 1979-09-05 JP JP54501369A patent/JPS6025745B2/ja not_active Expired
- 1979-11-27 YU YU02902/79A patent/YU290279A/xx unknown
- 1979-11-29 IT IT27683/79A patent/IT1127665B/it active
-
1980
- 1980-06-17 EP EP79901005A patent/EP0019621B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6025745B2 (ja) | 1985-06-20 |
US4356553A (en) | 1982-10-26 |
CH648934A5 (de) | 1985-04-15 |
WO1980001206A1 (en) | 1980-06-12 |
IT7927683A0 (it) | 1979-11-29 |
DE2967421D1 (en) | 1985-05-09 |
EP0019621A1 (de) | 1980-12-10 |
JPS55501067A (it) | 1980-12-04 |
EP0019621B1 (de) | 1985-04-03 |
YU290279A (en) | 1982-06-30 |
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