CN2718894Y - Electromagnetic bearing power amplifier utilizing PWM amplifier - Google Patents
Electromagnetic bearing power amplifier utilizing PWM amplifier Download PDFInfo
- Publication number
- CN2718894Y CN2718894Y CNU2004200523542U CN200420052354U CN2718894Y CN 2718894 Y CN2718894 Y CN 2718894Y CN U2004200523542 U CNU2004200523542 U CN U2004200523542U CN 200420052354 U CN200420052354 U CN 200420052354U CN 2718894 Y CN2718894 Y CN 2718894Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- amplifier
- pwm
- bridge
- power
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/044—Active magnetic bearings
- F16C32/0444—Details of devices to control the actuation of the electromagnets
- F16C32/0457—Details of the power supply to the electromagnets
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- Amplifiers (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2004200523542U CN2718894Y (en) | 2004-07-17 | 2004-07-17 | Electromagnetic bearing power amplifier utilizing PWM amplifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2004200523542U CN2718894Y (en) | 2004-07-17 | 2004-07-17 | Electromagnetic bearing power amplifier utilizing PWM amplifier |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2718894Y true CN2718894Y (en) | 2005-08-17 |
Family
ID=34893350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2004200523542U Expired - Fee Related CN2718894Y (en) | 2004-07-17 | 2004-07-17 | Electromagnetic bearing power amplifier utilizing PWM amplifier |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2718894Y (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101038811B (en) * | 2007-04-04 | 2011-05-04 | 山东新风光电子科技发展有限公司 | Device for novel electromagnetic bearing power amplifier |
CN102508433A (en) * | 2011-11-06 | 2012-06-20 | 北京航空航天大学 | Method for compensating digital control delay of magnetic bearing switch power amplifier |
CN102799125A (en) * | 2012-08-22 | 2012-11-28 | 清华大学 | Control method and control system for inhibiting high-frequency oscillation of magnetic bearing system |
CN105048838A (en) * | 2015-06-29 | 2015-11-11 | 浙江大学 | Single-side bridge arm frequency-doubling driving three-level switch power amplifier |
CN106160677A (en) * | 2016-06-16 | 2016-11-23 | 长沙湘计海盾科技有限公司 | A kind of carried shift PWM modulation type digital power amplifier and power-magnifying method |
-
2004
- 2004-07-17 CN CNU2004200523542U patent/CN2718894Y/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101038811B (en) * | 2007-04-04 | 2011-05-04 | 山东新风光电子科技发展有限公司 | Device for novel electromagnetic bearing power amplifier |
CN102508433A (en) * | 2011-11-06 | 2012-06-20 | 北京航空航天大学 | Method for compensating digital control delay of magnetic bearing switch power amplifier |
CN102799125A (en) * | 2012-08-22 | 2012-11-28 | 清华大学 | Control method and control system for inhibiting high-frequency oscillation of magnetic bearing system |
CN105048838A (en) * | 2015-06-29 | 2015-11-11 | 浙江大学 | Single-side bridge arm frequency-doubling driving three-level switch power amplifier |
CN105048838B (en) * | 2015-06-29 | 2017-12-15 | 浙江大学 | A kind of tri-level switch power amplifier of unilateral bridge arm frequency multiplication driving |
CN106160677A (en) * | 2016-06-16 | 2016-11-23 | 长沙湘计海盾科技有限公司 | A kind of carried shift PWM modulation type digital power amplifier and power-magnifying method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SHANDONG XINFENGGUANG ELECTRONIC SCIENCE DEVELOPM Free format text: FORMER OWNER: FENGGUANG ELECTRONIC LLC, SHANDONG Effective date: 20050930 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20050930 Address after: 272500 Shandong city of Jining province Wenshang County Plaza Road No. 2 Patentee after: Shandong Xinfeng Photoelectric Science & Technology Development Co., Ltd. Address before: 272500 Shandong city of Jining province Wenshang County Plaza Road No. 2 Patentee before: Shandong Fengguang Electronics Co., Ltd. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050817 Termination date: 20130717 |