JPH041306B2 - - Google Patents
Info
- Publication number
- JPH041306B2 JPH041306B2 JP56031282A JP3128281A JPH041306B2 JP H041306 B2 JPH041306 B2 JP H041306B2 JP 56031282 A JP56031282 A JP 56031282A JP 3128281 A JP3128281 A JP 3128281A JP H041306 B2 JPH041306 B2 JP H041306B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- voltage
- output
- power
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
-
- 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
- G01R11/32—Watt-hour meters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56031282A JPS57147065A (en) | 1981-03-06 | 1981-03-06 | Electronic wattmeter |
| KR8200975A KR860000293B1 (ko) | 1981-03-06 | 1982-03-06 | 전자식 전력 계량기 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56031282A JPS57147065A (en) | 1981-03-06 | 1981-03-06 | Electronic wattmeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57147065A JPS57147065A (en) | 1982-09-10 |
| JPH041306B2 true JPH041306B2 (pm) | 1992-01-10 |
Family
ID=12326956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56031282A Granted JPS57147065A (en) | 1981-03-06 | 1981-03-06 | Electronic wattmeter |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS57147065A (pm) |
| KR (1) | KR860000293B1 (pm) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102235254B1 (ko) * | 2015-04-23 | 2021-04-02 | 엘에스일렉트릭(주) | 계량기 표시장치 및 표시방법 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5073154A (pm) * | 1973-11-02 | 1975-06-17 | ||
| JPS55113958A (en) * | 1979-02-26 | 1980-09-02 | Toshiba Corp | Apparatus for measuring electric power |
-
1981
- 1981-03-06 JP JP56031282A patent/JPS57147065A/ja active Granted
-
1982
- 1982-03-06 KR KR8200975A patent/KR860000293B1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57147065A (en) | 1982-09-10 |
| KR830009488A (ko) | 1983-12-21 |
| KR860000293B1 (ko) | 1986-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4182983A (en) | Electronic AC electric energy measuring circuit | |
| US4495463A (en) | Electronic watt and/or watthour measuring circuit having active load terminated current sensor for sensing current and providing automatic zero-offset of current sensor DC offset error potentials | |
| EP0181719B1 (en) | Electronic electricity meters | |
| US3955138A (en) | 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 | |
| US4535287A (en) | Electronic watt/watthour meter with automatic error correction and high frequency digital output | |
| US3875509A (en) | Electronic metering of active electrical energy | |
| US4754219A (en) | Low cost self-contained transformerless solid state electronic watthour meter having thin film ferromagnetic current sensor | |
| US3976941A (en) | Auto-ranging system for an electronic energy meter | |
| CA1092194A (en) | Electronic kwh meter having virtual ground isolation | |
| EP0240102A2 (en) | Power meter having self-test function | |
| US4058768A (en) | Two-way electronic kWh meter | |
| US4475081A (en) | Electronic watthour meter | |
| JP2661933B2 (ja) | インバータの出力トランスの1次巻線を流れる電流の直流分の測定回路 | |
| RU2087918C1 (ru) | Способ измерения электрической энергии в двухпроводных сетях с защитой от хищений и устройство для его осуществления (их варианты) | |
| US3961257A (en) | Single phase 3-wire electronic electrical energy meter | |
| US4486706A (en) | Power flow direction detector | |
| US4928045A (en) | Circuit arrangement for generating a measurement signal associated with the frequency of an alternating current signal | |
| JPH041306B2 (pm) | ||
| US5537028A (en) | Electricity meter and method for measuring apparent power | |
| JPS618680A (ja) | 無効電力・直流信号変換器 | |
| US6031369A (en) | Electricity meter having circuitry for selecting the conditioning of a power signal according to the polarity of an A.C. mains signal | |
| JPH053991Y2 (pm) | ||
| CA1283451C (en) | Switched-capacitor watthour meter circuit having reduced capacitor ratio | |
| RU2054677C1 (ru) | Счетчик электроэнергии | |
| RU2039357C1 (ru) | Счетчик электроэнергии |