JPS5654364A - Electronic 33phase ac wattthour meter - Google Patents
Electronic 33phase ac wattthour meterInfo
- Publication number
- JPS5654364A JPS5654364A JP13057880A JP13057880A JPS5654364A JP S5654364 A JPS5654364 A JP S5654364A JP 13057880 A JP13057880 A JP 13057880A JP 13057880 A JP13057880 A JP 13057880A JP S5654364 A JPS5654364 A JP S5654364A
- Authority
- JP
- Japan
- Prior art keywords
- wattthour
- 33phase
- meter
- electronic
- wattthour meter
- 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.)
- Pending
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
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 (1)
Publication Number | Publication Date |
---|---|
JPS5654364A true JPS5654364A (en) | 1981-05-14 |
Family
ID=6081476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13057880A Pending JPS5654364A (en) | 1979-09-21 | 1980-09-19 | Electronic 33phase ac wattthour meter |
Country Status (5)
Country | Link |
---|---|
US (1) | US4378524A (ja) |
EP (1) | EP0025917B1 (ja) |
JP (1) | JPS5654364A (ja) |
DE (2) | DE2938238A1 (ja) |
ES (1) | ES495198A0 (ja) |
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 (ja) * | 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 |
ES8105481A1 (es) | 1981-06-01 |
ES495198A0 (es) | 1981-06-01 |
DE3061634D1 (en) | 1983-02-17 |
EP0025917B1 (de) | 1983-01-12 |
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