IT1127665B - Dispositivo per misurare una potenza elettrica - Google Patents

Dispositivo per misurare una potenza elettrica

Info

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
Application number
IT27683/79A
Other languages
English (en)
Other versions
IT7927683A0 (it
Inventor
Benedikt Steinle
Gernot Schneider
Hans Nunlist
Original Assignee
Landis & Gyr Ag
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 Landis & Gyr Ag filed Critical Landis & Gyr Ag
Publication of IT7927683A0 publication Critical patent/IT7927683A0/it
Application granted granted Critical
Publication of IT1127665B publication Critical patent/IT1127665B/it

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)
IT27683/79A 1978-12-01 1979-11-29 Dispositivo per misurare una potenza elettrica IT1127665B (it)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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