CA1126822A - System for monitoring electrical energy consumption - Google Patents

System for monitoring electrical energy consumption

Info

Publication number
CA1126822A
CA1126822A CA318,095A CA318095A CA1126822A CA 1126822 A CA1126822 A CA 1126822A CA 318095 A CA318095 A CA 318095A CA 1126822 A CA1126822 A CA 1126822A
Authority
CA
Canada
Prior art keywords
signal
circuitry
frequency
counters
output
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
Application number
CA318,095A
Other languages
English (en)
French (fr)
Inventor
John R. Hicks
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.)
DuPont Energy Management Corp
Original Assignee
DuPont Energy Management Corp
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 DuPont Energy Management Corp filed Critical DuPont Energy Management Corp
Application granted granted Critical
Publication of CA1126822A publication Critical patent/CA1126822A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/007—Adapted for special tariff measuring

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Alarm Devices (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Measurement Of Current Or Voltage (AREA)
CA318,095A 1977-12-19 1978-12-18 System for monitoring electrical energy consumption Expired CA1126822A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/861,899 US4147978A (en) 1977-12-19 1977-12-19 System for monitoring electrical energy consumption
US861,899 1977-12-19

Publications (1)

Publication Number Publication Date
CA1126822A true CA1126822A (en) 1982-06-29

Family

ID=25337058

Family Applications (1)

Application Number Title Priority Date Filing Date
CA318,095A Expired CA1126822A (en) 1977-12-19 1978-12-18 System for monitoring electrical energy consumption

Country Status (7)

Country Link
US (1) US4147978A (enExample)
JP (1) JPS5494377A (enExample)
CA (1) CA1126822A (enExample)
DE (1) DE2854282A1 (enExample)
FR (1) FR2412077A1 (enExample)
GB (1) GB2010498B (enExample)
MX (1) MX145850A (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4368424A (en) * 1978-07-11 1983-01-11 Westinghouse Electric Corp. Mutual inductance current transducer for AC electric energy meters
US4253151A (en) * 1978-11-03 1981-02-24 Bouve Thomas T Apparatus for monitoring and controlling consumer power consumption
AU7371981A (en) * 1981-04-06 1982-10-19 Dupont Energy Management Corp. System for monitoring utility usage
US4814996A (en) * 1982-06-10 1989-03-21 Futures Technology, Ltd. Portable energy cost calculation
GB8402213D0 (en) * 1984-01-27 1984-02-29 Kelly T J Electrical energy consumption cost meter
WO1986005887A1 (en) * 1985-03-25 1986-10-09 Baran, Marion Power meter with display of power consumed and cost of power consumed
FR2607297B1 (fr) * 1986-11-25 1989-05-05 Marquet Didier Appareil pour le releve a distance de compteurs ou analogues
GB2203252A (en) * 1987-03-19 1988-10-12 Arthur David Kench Electricity consumption cost indicator
SE457486B (sv) * 1987-04-29 1988-12-27 Czeslaw Kiluk Foerfarande vid larmsystem, innefattande registrering av energifoerbrukning
GB9214626D0 (en) * 1992-07-09 1992-08-19 Oxley Dev Co Ltd Energy monitoring
US6226600B1 (en) * 1998-08-03 2001-05-01 Rodenberg, Iii Ernest A. Programmable electricity consumption monitor
JP4103280B2 (ja) * 1999-12-24 2008-06-18 株式会社デンソー 力学量センサ装置
EP1433150A4 (en) * 2001-08-30 2005-10-12 William L Stewart METHOD AND SYSTEM FOR POWER MANAGEMENT
US7043380B2 (en) * 2003-09-16 2006-05-09 Rodenberg Iii Ernest Adolph Programmable electricity consumption monitoring system and method
RU2246136C1 (ru) * 2003-10-31 2005-02-10 Общество с ограниченной ответственностью "ДиС ПЛЮС" Система сбора данных по распределительной электросети переменного тока
US20050094786A1 (en) * 2003-11-03 2005-05-05 Ossa Cristian A. Programmable timer for electrical or electronic apparatus
RU2343492C1 (ru) * 2007-09-25 2009-01-10 Абрам Михайлович Симкин Устройство для контроля полезной мощности электропривода
US10690707B2 (en) * 2018-10-31 2020-06-23 International Business Machines Corporation System and method for verifying an energy generation source
CN112653109B (zh) * 2020-12-23 2021-10-12 海南电网有限责任公司保亭供电局 低压零线故障自动隔离装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH472677A (de) * 1968-10-18 1969-05-15 Landis & Gyr Ag Schaltungsanordnung zur Messung elektrischer Energie
US3517311A (en) * 1968-12-26 1970-06-23 Pranor Ind Inc Pulse accumulating watt-hour measuring system
SU432403A1 (ru) * 1971-12-21 1974-06-15 М. С. Белицка Л. Н. Волков , Е. А. Рейнгольд Научно исследовательский институт посто нного тока Ваттметр
DE2348667B2 (de) * 1973-09-27 1975-08-14 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektronischer kWh-Zähler
US3900794A (en) * 1974-02-25 1975-08-19 Gregory R Bell Electronic power metering device
US3942110A (en) * 1974-05-08 1976-03-02 General Electric Company Analog to pulse rate converter
US4080568A (en) * 1976-06-14 1978-03-21 Roy B. Fitch, Jr. Energy monitoring device
US4056774A (en) * 1976-10-29 1977-11-01 Westinghouse Electric Corporation Electronic watthour meter circuit
US4079313A (en) * 1977-04-18 1978-03-14 Allen-Bradley Company Digital watts transducer

Also Published As

Publication number Publication date
GB2010498A (en) 1979-06-27
US4147978A (en) 1979-04-03
GB2010498B (en) 1982-11-24
JPS5494377A (en) 1979-07-26
DE2854282A1 (de) 1979-06-28
MX145850A (es) 1982-04-06
FR2412077B3 (enExample) 1981-09-04
FR2412077A1 (fr) 1979-07-13

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Legal Events

Date Code Title Description
MKEX Expiry