CN1265202C - 功率运算系统以及无功功率运算器 - Google Patents
功率运算系统以及无功功率运算器 Download PDFInfo
- Publication number
- CN1265202C CN1265202C CNB001067354A CN00106735A CN1265202C CN 1265202 C CN1265202 C CN 1265202C CN B001067354 A CNB001067354 A CN B001067354A CN 00106735 A CN00106735 A CN 00106735A CN 1265202 C CN1265202 C CN 1265202C
- Authority
- CN
- China
- Prior art keywords
- signal
- reactive power
- bit
- converter
- arithmetical unit
- 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 - Fee Related
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Classifications
-
- 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
- G01R11/48—Meters specially adapted for measuring real or reactive components; Meters specially adapted for measuring apparent energy
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
- G01R21/1331—Measuring real or reactive component, measuring apparent energy
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Electrical Variables (AREA)
- Measuring Phase Differences (AREA)
- Analogue/Digital Conversion (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
Description
Claims (33)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP05781599A JP3312006B2 (ja) | 1999-03-05 | 1999-03-05 | 無効電力演算装置及び無効電力量測定装置 |
JP057815/1999 | 1999-03-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1266190A CN1266190A (zh) | 2000-09-13 |
CN1265202C true CN1265202C (zh) | 2006-07-19 |
Family
ID=13066428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB001067354A Expired - Fee Related CN1265202C (zh) | 1999-03-05 | 2000-03-03 | 功率运算系统以及无功功率运算器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6496783B1 (zh) |
JP (1) | JP3312006B2 (zh) |
KR (1) | KR100356451B1 (zh) |
CN (1) | CN1265202C (zh) |
DE (1) | DE10010545B4 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103575976A (zh) * | 2013-11-09 | 2014-02-12 | 国家电网公司 | 一种纯90度移相式无功功率测量方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10361664B4 (de) * | 2003-12-30 | 2009-08-13 | Austriamicrosystems Ag | Energiezähleranordnung |
CN100390546C (zh) * | 2004-06-03 | 2008-05-28 | 北京市公用事业科学研究所 | 直流微功耗测量方法 |
CN101063695B (zh) * | 2007-06-12 | 2010-09-29 | 北京中星微电子有限公司 | 无功功率计算电路和方法 |
CN101339210B (zh) * | 2007-07-06 | 2011-07-06 | 西门子电力自动化有限公司 | 校正电网测控设备中相位误差的方法和装置 |
JP5100446B2 (ja) | 2008-02-28 | 2012-12-19 | 東光東芝メーターシステムズ株式会社 | 電力量計 |
KR101234944B1 (ko) * | 2011-09-29 | 2013-02-19 | 삼성전기주식회사 | 전력량 산출 장치 및 방법 |
KR101251794B1 (ko) * | 2011-09-30 | 2013-04-08 | 삼성전기주식회사 | 전력 측정 시스템 |
Family Cites Families (15)
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 |
DE3045033A1 (de) | 1980-11-26 | 1982-07-08 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Anordnung zur bestimmung der zeitlichen mittelwerte von analogen messwerten |
DE3641676A1 (de) | 1985-12-06 | 1987-06-11 | Hitachi Ltd | Signalverarbeitungsschaltung |
JP2856398B2 (ja) | 1988-03-04 | 1999-02-10 | 東京電力株式会社 | 電子式電力量計 |
FR2646741B1 (fr) * | 1989-05-03 | 1994-09-02 | Thomson Hybrides Microondes | Echantillonneur-bloqueur a haute frequence d'echantillonnage |
GB9010091D0 (en) | 1990-05-04 | 1990-06-27 | Polymeters Response Internatio | Electricity meter tamper monitoring |
ATE140544T1 (de) * | 1990-08-23 | 1996-08-15 | Yokogawa Electric Corp | Abtastende messeinrichtung |
US5301121A (en) * | 1991-07-11 | 1994-04-05 | General Electric Company | Measuring electrical parameters of power line operation, using a digital computer |
US5590155A (en) * | 1992-10-30 | 1996-12-31 | Kabushiki Kaisha Toshiba | Equipment for generating a transmit signal from first and second digital signals |
JP3026533B2 (ja) | 1992-11-18 | 2000-03-27 | 三菱電機株式会社 | 無効電力量計 |
ATE178412T1 (de) | 1993-01-20 | 1999-04-15 | Schlumberger Ind Sa | Elektrizitätszähler mit variabler verstärkung und mit sigma-delta-umsetzer |
DE19539547A1 (de) | 1995-10-12 | 1997-04-17 | Peter Belle | Verfahren und Schaltungsbeschreibung für einen elektronischen Zähler, der die elektrische Arbeit auf der Basis von JS und ES Elektronen ermittelt |
JP3319701B2 (ja) | 1996-03-01 | 2002-09-03 | 株式会社東芝 | 演算装置 |
TW396276B (en) | 1996-03-01 | 2000-07-01 | Toshiba Corp | Arithmetic unit |
DE19613732B4 (de) | 1996-03-29 | 2004-01-29 | Siemens Ag | Verfahren zum Erzeugen eines einer elektrischen Blindleistung proportionalen Meßsignals |
-
1999
- 1999-03-05 JP JP05781599A patent/JP3312006B2/ja not_active Expired - Lifetime
-
2000
- 2000-03-03 CN CNB001067354A patent/CN1265202C/zh not_active Expired - Fee Related
- 2000-03-03 US US09/518,150 patent/US6496783B1/en not_active Expired - Fee Related
- 2000-03-03 DE DE10010545A patent/DE10010545B4/de not_active Expired - Fee Related
- 2000-03-04 KR KR1020000010891A patent/KR100356451B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103575976A (zh) * | 2013-11-09 | 2014-02-12 | 国家电网公司 | 一种纯90度移相式无功功率测量方法 |
Also Published As
Publication number | Publication date |
---|---|
DE10010545B4 (de) | 2004-03-25 |
JP2000258473A (ja) | 2000-09-22 |
US6496783B1 (en) | 2002-12-17 |
KR20010006737A (ko) | 2001-01-26 |
DE10010545A1 (de) | 2000-12-07 |
KR100356451B1 (ko) | 2002-10-18 |
JP3312006B2 (ja) | 2002-08-05 |
CN1266190A (zh) | 2000-09-13 |
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Legal Events
Date | Code | Title | Description |
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: TOKO TOSHIBA MEASURING INSTRUMENT CO., LTD. Free format text: FORMER OWNER: TOSHIBA CO., LTD. Effective date: 20100505 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP02 | Change in the address of a patent holder |
Address after: Tokyo, Japan Patentee after: Toshiba Corp. Address before: Kanagawa Patentee before: Toshiba Corp. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20100505 Address after: Tokyo, Japan Patentee after: Toshiba Toko Meter Systems Co.,Ltd. Address before: Tokyo, Japan Patentee before: Toshiba Corp. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060719 Termination date: 20120303 |