ES8105481A1 - Perfeccionamientos en contadores trifasicos electronicos de electricidad para el cambio de carga de condensador - Google Patents
Perfeccionamientos en contadores trifasicos electronicos de electricidad para el cambio de carga de condensadorInfo
- Publication number
- ES8105481A1 ES8105481A1 ES495198A ES495198A ES8105481A1 ES 8105481 A1 ES8105481 A1 ES 8105481A1 ES 495198 A ES495198 A ES 495198A ES 495198 A ES495198 A ES 495198A ES 8105481 A1 ES8105481 A1 ES 8105481A1
- Authority
- ES
- Spain
- Prior art keywords
- current
- frequency converter
- electronic
- frequency
- phase 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
Links
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)
- Arrangements For Transmission Of Measured Signals (AREA)
- Measuring Phase Differences (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
METODO DE CAMBIO DE CARGA DE CONDENSADOR EN CONTADORES ELECTRONICOS DE ELECTRICIDAD. CONSISTE EN CONDUCIR AL TRANSFORMADOR DE FRECUENCIA DE CORRIENTE, EXCLUSIVAMENTE, LAS TRES CORRIENTES DE SALIDA IUR, IUS E IUT DE LOS INTERRUPTORES ANALOGICOS ACOMPASADOS POR LOS RESPECTIVOS MODULADORES DE RELACION DE PULSACION. PARA EL ACOMPASAMIENTO DE CADA INTERRUPTOR ANALOGICO ESTA PREVISTO EN CADA CASO UNA PUERTA 0 UNICA, UNA DE CUYAS ENTRADAS ESTA BAJO LA ACCION DE LA SEÑAL DE SALIDA DEL MODULADOR DE RELACION DE PULSACION ASOCIADO A LA RESPECTIVA FASE Y LA OTRA ENTRADA ESTA BAJO LA ACCION DE LA SEÑAL DE SALIDA DEL TRANSFORMADOR DE FRECUENCIA DE CORRIENTE. H
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792938238 DE2938238A1 (de) | 1979-09-21 | 1979-09-21 | Elektronischer drehstrom-elektrizitaetszaehler fuer das kondensatorumladungsverfahren |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8105481A1 true ES8105481A1 (es) | 1981-06-01 |
ES495198A0 ES495198A0 (es) | 1981-06-01 |
Family
ID=6081476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES495198A Granted ES495198A0 (es) | 1979-09-21 | 1980-09-19 | Perfeccionamientos en contadores trifasicos electronicos de electricidad para el cambio de carga de condensador |
Country Status (5)
Country | Link |
---|---|
US (1) | US4378524A (es) |
EP (1) | EP0025917B1 (es) |
JP (1) | JPS5654364A (es) |
DE (2) | DE2938238A1 (es) |
ES (1) | ES495198A0 (es) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3043303A1 (de) * | 1980-11-17 | 1982-07-01 | Siemens AG, 1000 Berlin und 8000 München | Elektronische einrichtung zur erfassung der blindleistung |
US4615009A (en) * | 1983-02-16 | 1986-09-30 | Transdata, Inc. | Electronic energy and power monitoring apparatus |
US4801874A (en) * | 1987-02-27 | 1989-01-31 | Process Systems, Inc. | Method and apparatus for measuring electricity |
US4924412A (en) * | 1987-06-25 | 1990-05-08 | Schlumberger Industries, Inc. | Integrated poly-phase power meter |
CH681491A5 (es) * | 1989-03-31 | 1993-03-31 | Landis & Gyr Business Support | |
GB2239097B (en) * | 1989-12-18 | 1993-08-11 | Gen Electric Co Plc | Electrical power measuring devices |
US5457621A (en) | 1992-02-21 | 1995-10-10 | Abb Power T&D Company Inc. | Switching power supply having voltage blocking clamp |
US5537029A (en) | 1992-02-21 | 1996-07-16 | Abb Power T&D Company Inc. | Method and apparatus for electronic meter testing |
NL1002427C2 (nl) | 1996-02-23 | 1997-08-26 | Akzo Nobel Nv | Bekledingssamenstelling omvattende een bicyclo- of spiroorthoester functionele verbinding. |
US5862069A (en) * | 1996-07-12 | 1999-01-19 | Analog Devices, Inc. | Four quadrant multiplying apparatus and method |
EP1018022A4 (en) | 1996-10-22 | 2000-12-06 | Abb Power T & D Co | ENERGY MEASURING DEVICE COMPRISING DIAGNOSTIC AND ENERGY QUALITY CONTROL SYSTEMS |
US7486782B1 (en) | 1997-09-17 | 2009-02-03 | Roos Charles E | Multifunction data port providing an interface between a digital network and electronics in residential or commercial structures |
US6388435B1 (en) * | 1998-12-31 | 2002-05-14 | General Electric Company | Methods and apparatus for voltage measurement |
US7355867B2 (en) * | 2004-08-17 | 2008-04-08 | Elster Electricity, Llc | Power supply for an electric meter having a high-voltage regulator that limits the voltage applied to certain components below the normal operating input voltage |
CN103941062A (zh) * | 2014-04-04 | 2014-07-23 | 武汉振道世纪科技有限公司 | 三相智能配电表及其实现方法 |
US11467213B2 (en) | 2020-02-03 | 2022-10-11 | Florida Power & Light Company | Defect detector in power distribution system |
CN113765492A (zh) * | 2021-09-01 | 2021-12-07 | 中国航空工业集团公司西安航空计算技术研究所 | 一种航空高精度模拟量采集系统的全增益放大电路 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2348667B2 (de) * | 1973-09-27 | 1975-08-14 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Elektronischer kWh-Zähler |
US4217545A (en) * | 1975-06-20 | 1980-08-12 | Nihon Denki Keiki Kenteisho | Electronic type polyphase electric energy meter |
DE2715321A1 (de) * | 1977-04-05 | 1978-10-12 | Siemens Ag | Nach dem impulsbreiten-impulshoehen- modulationsverfahren arbeitender elektronischer drehstromzaehler |
DE2747385C2 (de) * | 1977-10-21 | 1983-12-29 | Siemens AG, 1000 Berlin und 8000 München | Elektronischer Wechselstromzähler |
-
1979
- 1979-09-21 DE DE19792938238 patent/DE2938238A1/de not_active Withdrawn
-
1980
- 1980-09-04 DE DE8080105294T patent/DE3061634D1/de not_active Expired
- 1980-09-04 EP EP80105294A patent/EP0025917B1/de not_active Expired
- 1980-09-05 US US06/184,469 patent/US4378524A/en not_active Expired - Lifetime
- 1980-09-19 JP JP13057880A patent/JPS5654364A/ja active Pending
- 1980-09-19 ES ES495198A patent/ES495198A0/es active Granted
Also Published As
Publication number | Publication date |
---|---|
US4378524A (en) | 1983-03-29 |
EP0025917A1 (de) | 1981-04-01 |
DE2938238A1 (de) | 1981-04-09 |
ES495198A0 (es) | 1981-06-01 |
DE3061634D1 (en) | 1983-02-17 |
EP0025917B1 (de) | 1983-01-12 |
JPS5654364A (en) | 1981-05-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19970203 |