CA2556779A1 - Automatic power factor correction using power measurement chip - Google Patents
Automatic power factor correction using power measurement chip Download PDFInfo
- Publication number
- CA2556779A1 CA2556779A1 CA002556779A CA2556779A CA2556779A1 CA 2556779 A1 CA2556779 A1 CA 2556779A1 CA 002556779 A CA002556779 A CA 002556779A CA 2556779 A CA2556779 A CA 2556779A CA 2556779 A1 CA2556779 A1 CA 2556779A1
- Authority
- CA
- Canada
- Prior art keywords
- power
- value
- load
- reactance elements
- electrical
- 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.)
- Abandoned
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/70—Regulating power factor; Regulating reactive current or power
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Control Of Electrical Variables (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/789,253 US7002321B2 (en) | 2001-06-05 | 2004-02-27 | Automatic power factor correction using power measurement chip |
US10/789,253 | 2004-02-27 | ||
PCT/US2005/005929 WO2005085970A1 (en) | 2001-06-05 | 2005-02-25 | Automatic power factor correction using power measurement chip |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2556779A1 true CA2556779A1 (en) | 2005-09-15 |
Family
ID=37074779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002556779A Abandoned CA2556779A1 (en) | 2004-02-27 | 2005-02-25 | Automatic power factor correction using power measurement chip |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1721228A4 (zh) |
JP (1) | JP2007525938A (zh) |
CN (1) | CN1950773A (zh) |
CA (1) | CA2556779A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101466193B (zh) * | 2009-01-16 | 2012-11-21 | 江苏联宏自动化系统工程有限公司 | 照明灯具功率因数补偿电容故障监测方法 |
KR20170135337A (ko) * | 2016-05-31 | 2017-12-08 | 엘에스산전 주식회사 | 무효 전력 보상 시스템 및 그 방법 |
KR102409557B1 (ko) * | 2021-09-17 | 2022-06-22 | 주식회사 비엠티 | 유니버셜 역률보상장치 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59173771A (ja) * | 1983-03-23 | 1984-10-01 | Toshiba Corp | 電気計器 |
US5229713A (en) * | 1991-04-25 | 1993-07-20 | General Electric Company | Method for determining electrical energy consumption |
US5301121A (en) * | 1991-07-11 | 1994-04-05 | General Electric Company | Measuring electrical parameters of power line operation, using a digital computer |
JP2553808Y2 (ja) * | 1991-07-29 | 1997-11-12 | 日新電機株式会社 | 力率制御装置 |
JPH07104873A (ja) * | 1993-10-05 | 1995-04-21 | Kurihara Kogyo Kk | 力率改善装置 |
JPH08171431A (ja) * | 1994-12-19 | 1996-07-02 | Ishikawajima Harima Heavy Ind Co Ltd | 力率改善装置 |
US6275397B1 (en) * | 2000-06-27 | 2001-08-14 | Power-One, Inc. | Power factor correction control circuit for regulating the current waveshape in a switching power supply |
US6462519B1 (en) * | 2001-06-05 | 2002-10-08 | Mcdaniel William D. | Automatic power factor correction system |
-
2005
- 2005-02-25 JP JP2007500976A patent/JP2007525938A/ja active Pending
- 2005-02-25 EP EP05723692A patent/EP1721228A4/en not_active Ceased
- 2005-02-25 CA CA002556779A patent/CA2556779A1/en not_active Abandoned
- 2005-02-25 CN CNA2005800132495A patent/CN1950773A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN1950773A (zh) | 2007-04-18 |
EP1721228A1 (en) | 2006-11-15 |
EP1721228A4 (en) | 2008-01-02 |
JP2007525938A (ja) | 2007-09-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
FZDE | Dead |
Effective date: 20151221 |