CH618519A5 - - Google Patents
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- Publication number
- CH618519A5 CH618519A5 CH10578A CH10578A CH618519A5 CH 618519 A5 CH618519 A5 CH 618519A5 CH 10578 A CH10578 A CH 10578A CH 10578 A CH10578 A CH 10578A CH 618519 A5 CH618519 A5 CH 618519A5
- Authority
- CH
- Switzerland
- Prior art keywords
- output
- voltage
- phase
- integrator
- pulse
- Prior art date
Links
- 230000010354 integration Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000021395 porridge Nutrition 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Phase Differences (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/757,799 US4058768A (en) | 1977-01-07 | 1977-01-07 | Two-way electronic kWh meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH618519A5 true CH618519A5 (cs) | 1980-07-31 |
Family
ID=25049270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH10578A CH618519A5 (cs) | 1977-01-07 | 1978-01-05 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4058768A (cs) |
| JP (1) | JPS53106075A (cs) |
| CA (1) | CA1086826A (cs) |
| CH (1) | CH618519A5 (cs) |
| DE (1) | DE2758812A1 (cs) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4217546A (en) * | 1978-12-11 | 1980-08-12 | General Electric Company | Electronic energy consumption meter and system with automatic error correction |
| JPS57146121U (cs) * | 1981-03-06 | 1982-09-14 | ||
| JPS57146168A (en) * | 1981-03-05 | 1982-09-09 | Toshiba Corp | Device for judging power flow |
| US4486707A (en) * | 1982-09-24 | 1984-12-04 | Sangamo Weston, Inc. | Gain switching device with reduced error for watt meter |
| US4709375A (en) * | 1983-09-27 | 1987-11-24 | Robinton Products, Inc. | Digital phase selection system for signal multipliers |
| US4542354A (en) * | 1983-08-01 | 1985-09-17 | Robinton Products, Inc. | Delta-sigma pulse modulator with offset compensation |
| US4788493A (en) * | 1984-12-04 | 1988-11-29 | Square D Company | Apparatus for detecting direction of electric power flow |
| US4713608A (en) * | 1986-03-06 | 1987-12-15 | Computer Power Systems Corporation | Apparatus for providing cost efficient power measurement |
| US4801874A (en) * | 1987-02-27 | 1989-01-31 | Process Systems, Inc. | Method and apparatus for measuring electricity |
| GB2221313B (en) * | 1988-07-26 | 1993-02-24 | Omega Electric Ltd | Instantaneous multiplier for use in power measurement systems |
| US7317404B2 (en) * | 2004-01-14 | 2008-01-08 | Itron, Inc. | Method and apparatus for collecting and displaying consumption data from a meter reading system |
| CN1328586C (zh) * | 2004-12-06 | 2007-07-25 | 太原合创自动化有限公司 | 电能质量监测记录分析系统 |
| US8085055B2 (en) * | 2009-04-20 | 2011-12-27 | Veris Industries, Llc | Branch current monitoring system |
| KR101004147B1 (ko) * | 2010-04-02 | 2010-12-27 | 한국전력공사 | 역 조류 보정용 3상 양방향 계량기 및 계량방법 |
| GB201118124D0 (en) * | 2011-10-20 | 2011-11-30 | Each For All Productions Ltd | Improvement in smart meters |
| FR3002641A3 (fr) * | 2013-02-27 | 2014-08-29 | Dotvision | Module compteur d energie bidirectionnel |
| US9424975B2 (en) | 2013-08-23 | 2016-08-23 | Veris Industries, Llc | Split core transformer with self-aligning cores |
| US9607749B2 (en) | 2014-01-23 | 2017-03-28 | Veris Industries, Llc | Split core current transformer |
| US9588148B2 (en) | 2014-01-23 | 2017-03-07 | Veris Industries, Llc | Input circuit for current transformer |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3875509A (en) * | 1973-05-17 | 1975-04-01 | Gen Electric | Electronic metering of active electrical energy |
| US3886449A (en) * | 1974-03-06 | 1975-05-27 | Gen Electric | Power measurement circuit |
| US3976942A (en) * | 1974-12-13 | 1976-08-24 | Esterline Corporation | Watt/watt hour transducer having current signals and a modulator therefor |
| US3975682A (en) * | 1974-12-13 | 1976-08-17 | Esterline Corporation | Watt/watthour transducer and integrator and current sources therefor |
-
1977
- 1977-01-07 US US05/757,799 patent/US4058768A/en not_active Expired - Lifetime
- 1977-12-15 CA CA293,115A patent/CA1086826A/en not_active Expired
- 1977-12-30 DE DE19772758812 patent/DE2758812A1/de not_active Withdrawn
-
1978
- 1978-01-05 CH CH10578A patent/CH618519A5/de not_active IP Right Cessation
- 1978-01-06 JP JP28878A patent/JPS53106075A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA1086826A (en) | 1980-09-30 |
| US4058768A (en) | 1977-11-15 |
| DE2758812A1 (de) | 1978-07-13 |
| JPS53106075A (en) | 1978-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |