KR840002378B1 - 전자식 전력량계 - Google Patents

전자식 전력량계

Info

Publication number
KR840002378B1
KR840002378B1 KR1019810001771A KR810001771A KR840002378B1 KR 840002378 B1 KR840002378 B1 KR 840002378B1 KR 1019810001771 A KR1019810001771 A KR 1019810001771A KR 810001771 A KR810001771 A KR 810001771A KR 840002378 B1 KR840002378 B1 KR 840002378B1
Authority
KR
South Korea
Prior art keywords
voltage
signal
amplifier
output
current
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
KR1019810001771A
Other languages
English (en)
Korean (ko)
Other versions
KR830006695A (ko
Inventor
료오지 가모우
Original Assignee
가부시기가이샤 도시바
사바 쇼오이찌
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 가부시기가이샤 도시바, 사바 쇼오이찌 filed Critical 가부시기가이샤 도시바
Publication of KR830006695A publication Critical patent/KR830006695A/ko
Application granted granted Critical
Publication of KR840002378B1 publication Critical patent/KR840002378B1/ko
Expired legal-status Critical Current

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Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/06—Arrangements for measuring electric power or power factor by measuring current and voltage
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • 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
    • G01R21/1273—Measuring real component

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
KR1019810001771A 1980-06-04 1981-05-21 전자식 전력량계 Expired KR840002378B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP7516080A JPS571972A (en) 1980-06-04 1980-06-04 Electronic type electric energy meter
JP75,160 1980-06-04
JP75160 1980-06-04

Publications (2)

Publication Number Publication Date
KR830006695A KR830006695A (ko) 1983-10-06
KR840002378B1 true KR840002378B1 (ko) 1984-12-24

Family

ID=13568166

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019810001771A Expired KR840002378B1 (ko) 1980-06-04 1981-05-21 전자식 전력량계

Country Status (5)

Country Link
US (1) US4456878A (enExample)
JP (1) JPS571972A (enExample)
KR (1) KR840002378B1 (enExample)
DE (1) DE3122168A1 (enExample)
GB (1) GB2076975B (enExample)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4709375A (en) * 1983-09-27 1987-11-24 Robinton Products, Inc. Digital phase selection system for signal multipliers
WO1985000711A1 (en) * 1983-08-01 1985-02-14 Robinton Products, Inc. Power metering system and method
US4596951A (en) * 1984-03-19 1986-06-24 Westinghouse Electric Corp. Electronic circuit for measuring AC electrical energy
US4672236A (en) * 1985-05-08 1987-06-09 Mitsubishi Denki Kabushiki Kaisha Voltage-to-frequency converter circuit
FI90144C (fi) * 1986-02-04 1993-12-27 Siemens Ag Elektronisk elmaetare
NZ219166A (en) * 1986-02-06 1990-04-26 Nilsen Oliver J Ltd Digital energy meter
US4713608A (en) * 1986-03-06 1987-12-15 Computer Power Systems Corporation Apparatus for providing cost efficient power measurement
GB8624926D0 (en) * 1986-10-17 1986-11-19 Gen Electric Co Plc Electric power measuring devices
GB2199411A (en) * 1986-12-06 1988-07-06 Omega Electric Ltd Auto compensating alternating current meter
US4761605A (en) * 1986-12-22 1988-08-02 General Electric Company Input switching in electronic watthour meter
US4801874A (en) * 1987-02-27 1989-01-31 Process Systems, Inc. Method and apparatus for measuring electricity
JPH067141B2 (ja) * 1988-09-06 1994-01-26 東京電力株式会社 電子式電力量計
US4910456A (en) * 1988-12-22 1990-03-20 Asea Brown Boveri Inc. Electronic watt-hour meter with combined multiplier/integrator circuit
US4992725A (en) * 1988-12-26 1991-02-12 Nec Corporation And The Tokyo Electric Power Company, Incorporated Meter for accurately measuring integrated electric power
CH680620A5 (enExample) * 1989-03-31 1992-09-30 Landis & Gyr Betriebs Ag
CH681491A5 (enExample) * 1989-03-31 1993-03-31 Landis & Gyr Business Support
US5151866A (en) * 1990-03-30 1992-09-29 The Dow Chemical Company High speed power analyzer
US5343143A (en) * 1992-02-11 1994-08-30 Landis & Gyr Metering, Inc. Shielded current sensing device for a watthour meter
KR20020007007A (ko) * 2000-07-14 2002-01-26 김기형 단위세대용 전자식 전력량계
US6717395B2 (en) 2001-05-31 2004-04-06 Mcgraw-Edison Company Current transformer based high voltage measurement apparatus
US6529013B2 (en) 2001-05-31 2003-03-04 Mcgraw-Edison Company Three-phase voltage sensor with active crosstalk cancellation
US8494140B2 (en) * 2008-10-30 2013-07-23 Centurylink Intellectual Property Llc System and method for voice activated provisioning of telecommunication services
JP5830966B2 (ja) * 2011-06-28 2015-12-09 日本電気株式会社 電子機器の消費電力検出回路、消費電力検出方法
CN107276419B (zh) * 2016-03-31 2019-08-06 全汉企业股份有限公司 电源侦测及传输电路以及电源供应器
CN107340425A (zh) * 2017-06-30 2017-11-10 常州同惠电子股份有限公司 基于模拟乘法器用于交流电源的有效功率测量方法及装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070786A (en) * 1958-08-21 1962-12-25 Thompson Ramo Wooldridge Inc Drift compensating circuits
CH472677A (de) * 1968-10-18 1969-05-15 Landis & Gyr Ag Schaltungsanordnung zur Messung elektrischer Energie
JPS4960470A (enExample) * 1972-10-09 1974-06-12
JPS4960469A (enExample) * 1972-10-09 1974-06-12
JPS4960468A (enExample) * 1972-10-09 1974-06-12
DE2348667B2 (de) * 1973-09-27 1975-08-14 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektronischer kWh-Zähler
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
JPS529341A (en) * 1975-07-11 1977-01-24 Yokogawa Hokushin Electric Corp Time-division multiplier
DE2715321A1 (de) * 1977-04-05 1978-10-12 Siemens Ag Nach dem impulsbreiten-impulshoehen- modulationsverfahren arbeitender elektronischer drehstromzaehler
DE2715283C2 (de) * 1977-04-05 1983-05-11 Siemens AG, 1000 Berlin und 8000 München Elektronischer Drehstromzähler
JPS581388B2 (ja) * 1978-07-06 1983-01-11 株式会社東芝 電力量計

Also Published As

Publication number Publication date
US4456878A (en) 1984-06-26
GB2076975B (en) 1984-03-07
DE3122168A1 (de) 1982-05-27
KR830006695A (ko) 1983-10-06
GB2076975A (en) 1981-12-09
JPS571972A (en) 1982-01-07
JPH0335627B2 (enExample) 1991-05-28

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