ES2030501T3 - Metodo y aparato para medir electricidad. - Google Patents

Metodo y aparato para medir electricidad.

Info

Publication number
ES2030501T3
ES2030501T3 ES198888301682T ES88301682T ES2030501T3 ES 2030501 T3 ES2030501 T3 ES 2030501T3 ES 198888301682 T ES198888301682 T ES 198888301682T ES 88301682 T ES88301682 T ES 88301682T ES 2030501 T3 ES2030501 T3 ES 2030501T3
Authority
ES
Spain
Prior art keywords
load
signal
proportional
generated
instantaneous
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 - Lifetime
Application number
ES198888301682T
Other languages
English (en)
Inventor
Horst R. Loeffler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Process Systems Inc
Original Assignee
Process Systems Inc
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 Process Systems Inc filed Critical Process Systems Inc
Application granted granted Critical
Publication of ES2030501T3 publication Critical patent/ES2030501T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/30—Dynamo-electric motor meters
    • 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
    • G01R21/1271—Measuring real or reactive component, measuring apparent energy
    • 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
    • G01R21/1331—Measuring real or reactive component, measuring apparent energy

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Abstract

EN UN METODO Y UN APARATO PARA LA MEDICION ELECTRONICA DE LA ELECTRICIDAD EMPLEADA POR UNA CARGA, SE GENERA UNA SEÑAL DE VOLTAJE RECTIFICADO PROPORCIONAL AL VOLTAJE DE LA CARGA Y UN TREN DE IMPULSOS MODULADOS EN FRECUENCIA COMO RESPUESTA A DICHA SEÑAL DE VOLTAJE RECTIFICADO, SIENDO LA FRECUENCIA DE LOS IMPULSOS PROPORCIONAL A LA AMPLITUD INSTANTANEA DEL VOLTAJE RECTIFICADO. SE GENERA UNA SEÑAL DE CORRIENTE DE CARGA PROPORCIONAL A LA CORRIENTE DE CARGA Y SE DESCONECTA CICLICAMENTE DURANTE CADA IMPULSO DEL TREN DE IMPULSOS MODULADOS EN FRECUENCIA A FIN DE GENERAR UNA SEÑAL QUE REPRESENTA EL PRODUCTO DEL VOLTAJE DE CARGA INSTANEO Y LA CORRIENTE DE CARGA INSTANEA. ESTA SEÑAL PUEDE INTEGRARSE EN EL TIEMPO PARA GENERAR UNA SEÑAL QUE REPRESENTA LA CANTIDAD DE ENERGIA ELECTRICA UTILIZADA POR LA CARGA.
ES198888301682T 1987-02-27 1988-02-26 Metodo y aparato para medir electricidad. Expired - Lifetime ES2030501T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/020,077 US4801874A (en) 1987-02-27 1987-02-27 Method and apparatus for measuring electricity

Publications (1)

Publication Number Publication Date
ES2030501T3 true ES2030501T3 (es) 1992-11-01

Family

ID=21796618

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198888301682T Expired - Lifetime ES2030501T3 (es) 1987-02-27 1988-02-26 Metodo y aparato para medir electricidad.

Country Status (9)

Country Link
US (1) US4801874A (es)
EP (1) EP0282208B1 (es)
JP (1) JPS63231273A (es)
KR (1) KR960006866B1 (es)
AT (1) ATE75321T1 (es)
CA (1) CA1279699C (es)
DE (1) DE3870285D1 (es)
ES (1) ES2030501T3 (es)
GR (1) GR3004874T3 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2648565B1 (fr) * 1989-06-16 1991-10-11 Schlumberger Ind Sa Circuit d'entree pour compteur d'energie electrique
GB2286250B (en) * 1991-09-19 1996-04-03 Ampy Automation Digilog Improved power meter
US5298857A (en) * 1992-04-06 1994-03-29 Landis & Gyr Metering, Inc. Electrical energy meter with a precision integrator for current measurement
US5473497A (en) * 1993-02-05 1995-12-05 Franklin Electric Co., Inc. Electronic motor load sensing device
GB2285695B (en) * 1993-03-13 1997-05-21 Ampy Automation Digilog Power Measuring Method
KR0167826B1 (ko) * 1995-11-30 1999-03-20 이종훈 광 전력용 변성기를 이용한 광전자식 전력량계
US7158865B2 (en) * 2004-02-25 2007-01-02 Sandu Margarit Smarandache Current driver employing pulse-width modulation
JP5228128B1 (ja) * 2012-05-28 2013-07-03 タナシン電機株式会社 信号生成装置、測定装置、漏電検出装置及び信号生成方法
KR101598298B1 (ko) * 2014-10-13 2016-02-29 (주)우광에스디에스 저항 측정방식에 근거한 히터 모니터링 장치 및 그에 따른 히터 모니터링 방법

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH457620A (de) * 1967-09-29 1968-06-15 Landis & Gyr Ag Verfahren zur Multiplikation zweier Faktoren, insbesondere von Strom und Spannung zur Wirkleistungsmessung, 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
DE2206223A1 (de) * 1972-02-10 1973-08-23 Siemens Ag Elektronische multipliziereinrichtung nach dem time-division-verfahren
US3794917A (en) * 1972-03-09 1974-02-26 Esterline Corp Electronic watt transducer
US3875509A (en) * 1973-05-17 1975-04-01 Gen Electric Electronic metering of active electrical energy
DE2348667B2 (de) * 1973-09-27 1975-08-14 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektronischer kWh-Zähler
US3947763A (en) * 1974-05-30 1976-03-30 General Electric Company C-MOS electronic kWh meter and method for metering electrical energy
US3934198A (en) * 1974-11-06 1976-01-20 General Electric Company Multi-wire electronic kWh meter
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
UST955007I4 (en) * 1974-11-29 1977-02-01 General Electric Company Method and apparatus for metering apparent energy
US3976942A (en) * 1974-12-13 1976-08-24 Esterline Corporation Watt/watt hour transducer having current signals and a modulator therefor
US4217545A (en) * 1975-06-20 1980-08-12 Nihon Denki Keiki Kenteisho Electronic type polyphase electric energy meter
US4027241A (en) * 1976-05-19 1977-05-31 Westinghouse Electric Corporation Solid state watt and var transducer
JPS5360675A (en) * 1976-11-12 1978-05-31 Yokogawa Hokushin Electric Corp Converter for power and dc signal
US4066960A (en) * 1976-12-29 1978-01-03 General Electric Company Electronic kilowatt-hour-meter with error correction
US4056775A (en) * 1977-01-07 1977-11-01 General Electric Company Electronic kWh meter having internal power supply and error correction system
US4058768A (en) * 1977-01-07 1977-11-15 General Electric Company Two-way electronic kWh meter
US4092592A (en) * 1977-01-07 1978-05-30 General Electric Company Electronic kWh meter having virtual ground isolation
US4074194A (en) * 1977-02-28 1978-02-14 Wilkerson A W Watt meter providing electrical signal proportional to power
US4079313A (en) * 1977-04-18 1978-03-14 Allen-Bradley Company Digital watts transducer
US4096436A (en) * 1977-05-23 1978-06-20 The Valeron Corporation Power monitor
DE2833556C2 (de) * 1977-07-30 1984-08-09 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa Multiplizierer
DE2747385C2 (de) * 1977-10-21 1983-12-29 Siemens AG, 1000 Berlin und 8000 München Elektronischer Wechselstromzähler
JPS581388B2 (ja) * 1978-07-06 1983-01-11 株式会社東芝 電力量計
US4250449A (en) * 1978-11-24 1981-02-10 Westinghouse Electric Corp. Digital electric energy measuring circuit
US4217546A (en) * 1978-12-11 1980-08-12 General Electric Company Electronic energy consumption meter and system with automatic error correction
US4257004A (en) * 1978-12-21 1981-03-17 Westinghouse Electric Corp. Electrical energy measuring multimeter
US4275349A (en) * 1979-05-11 1981-06-23 Westinghouse Electric Corp. Watt and var transducer
US4282576A (en) * 1979-05-22 1981-08-04 Westinghouse Electric Corp. Indicator diagram based AC electric energy meter
DE2938238A1 (de) * 1979-09-21 1981-04-09 Siemens AG, 1000 Berlin und 8000 München Elektronischer drehstrom-elektrizitaetszaehler fuer das kondensatorumladungsverfahren
JPS571972A (en) * 1980-06-04 1982-01-07 Toshiba Corp Electronic type electric energy meter
JPS5923261A (ja) * 1982-07-29 1984-02-06 Toshiba Corp 電力ロ−ドサ−ベイ装置
US4535287A (en) * 1983-03-25 1985-08-13 General Electric Company Electronic watt/watthour meter with automatic error correction and high frequency digital output
CH673160A5 (es) * 1986-02-10 1990-02-15 Landis & Gyr Ag

Also Published As

Publication number Publication date
GR3004874T3 (es) 1993-04-28
US4801874A (en) 1989-01-31
KR960006866B1 (ko) 1996-05-23
ATE75321T1 (de) 1992-05-15
EP0282208B1 (en) 1992-04-22
KR880010329A (ko) 1988-10-08
EP0282208A1 (en) 1988-09-14
CA1279699C (en) 1991-01-29
JPS63231273A (ja) 1988-09-27
DE3870285D1 (de) 1992-05-27

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