KR100994953B1 - 비절연형 직류 전력변환 회로 - Google Patents
비절연형 직류 전력변환 회로 Download PDFInfo
- Publication number
- KR100994953B1 KR100994953B1 KR1020100047617A KR20100047617A KR100994953B1 KR 100994953 B1 KR100994953 B1 KR 100994953B1 KR 1020100047617 A KR1020100047617 A KR 1020100047617A KR 20100047617 A KR20100047617 A KR 20100047617A KR 100994953 B1 KR100994953 B1 KR 100994953B1
- Authority
- KR
- South Korea
- Prior art keywords
- capacitor
- voltage
- mosfet
- diode
- transformer
- Prior art date
Links
- 238000002955 isolation Methods 0.000 title 1
- 239000003990 capacitor Substances 0.000 claims abstract description 43
- 238000004804 winding Methods 0.000 claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims 3
- 230000015556 catabolic process Effects 0.000 abstract description 8
- 230000020169 heat generation Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000005415 magnetization Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- 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
- G05F1/10—Regulating voltage or current
- G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is AC
- G05F1/14—Regulating voltage or current wherein the variable actually regulated by the final control device is AC using tap transformers or tap changing inductors as final control devices
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
도2a 및 도2b는 본 발명의 실시예들에 따른 비절연형 직류 전력변환 회로의 구성도들이다.
도3a는 MOSFET가 ON인 경우 형성되는 전류 loop의 개략도이다.
도3b는 MOSFET가 OFF인 경우 형성되는 전류 loop의 개략도이다.
도4a는 MOSFET ON/OFF상태에서 MOSFET 게이트(gate)에 인가되는 전압그래프이다.
도4b는 MOSFET ON/OFF상태에서 MOSFET 드레인과 소스 사이의 전압그래프이다.
도4c는 MOSFET ON/OFF상태에서 MOSFET에 흐르는 전류그래프이다.
도4d는 변압기 T의 1차측 전류(I1)그래프이다.
도4e는 MOSFET ON/OFF상태에서 다이오드 D1에 흐르는 전류(I3), D2에 흐르는 전류(I2)그래프이다.
21 루프3(loop3) 110 제1커패시터
120 제2커패시터 130 제3커패시터
210 제1다이오드 220 제2다이오드
300 변압기 310 변압기의 1차권선
320 변압기의 2차권선 400 MOSFET
Claims (4)
- 입력측에 대하여 제1커패시터와 변압기 1차 권선의 일단이 병렬로 연결되어 있으며, 상기 변압기 1차 권선의 타단은 변압기 2차 권선의 일단에 연결됨과 동시에 MOSFET의 드레인 단자와 연결되고, 상기 변압기 2차 권선의 타단은 제2커패시터의 일단이 연결되며, 상기 제2커패시터의 타단에 제1다이오드와 제2다이오드가 병렬로 연결되고, 상기 제1다이오드의 캐소드(cathode)부분이 출력측을 향해 있고, 상기 제2다이오드의 캐소드(cathode)부분은 상기 제2커패시터를 향하도록 배치되어 있으며, 상기 제1다이오드의 타단에 제3커패시터가 연결된 것을 특징으로 하는 비절연형 직류 전력변환 회로.
- 제1항에 있어서,
상기 변압기는 센터텝을 가지는 오토 트랜스포머인 것을 특징으로 하는 비절연형 직류 전력변환 회로.
- 제3항에 있어서,
상기 제2 캐패시터는 상기 출력측에 과전류 상태가 발생하여 상기 MOSFET로 인가되는 PWM 제어신호를 최소값으로 설정하는 경우, 상기 입력측과 상기 출력측을 전기적으로 분리하는 역할을 수행하여 출력 전류를 차단하는 것을 특징으로 하는 비절연형 직류 전력변환 회로.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100047617A KR100994953B1 (ko) | 2010-05-20 | 2010-05-20 | 비절연형 직류 전력변환 회로 |
PCT/KR2011/003706 WO2011145898A2 (ko) | 2010-05-20 | 2011-05-19 | 비절연형 직류 전력변환 회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100047617A KR100994953B1 (ko) | 2010-05-20 | 2010-05-20 | 비절연형 직류 전력변환 회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20100063687A KR20100063687A (ko) | 2010-06-11 |
KR100994953B1 true KR100994953B1 (ko) | 2010-11-17 |
Family
ID=42363585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020100047617A KR100994953B1 (ko) | 2010-05-20 | 2010-05-20 | 비절연형 직류 전력변환 회로 |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR100994953B1 (ko) |
WO (1) | WO2011145898A2 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102882373A (zh) * | 2012-08-22 | 2013-01-16 | 深圳桑达国际电子器件有限公司 | 一种电力电子变换器及其直流升压电路 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5594629A (en) * | 1994-06-20 | 1997-01-14 | General Electric Company | High-frequency switching circuits operable in a natural zero-voltage switching mode |
US5736842A (en) | 1996-07-11 | 1998-04-07 | Delta Electronics, Inc. | Technique for reducing rectifier reverse-recovery-related losses in high-voltage high power converters |
US6282103B1 (en) | 1999-12-28 | 2001-08-28 | Yokogawa Electric Corporation | Switching power supply using an inductor device to prevent harmonic current generation |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4010060B2 (ja) * | 1998-08-27 | 2007-11-21 | ソニー株式会社 | 昇圧型コンバータ装置 |
KR100560338B1 (ko) * | 2004-07-09 | 2006-03-14 | 한국전기연구원 | 승압 회로 |
-
2010
- 2010-05-20 KR KR1020100047617A patent/KR100994953B1/ko not_active IP Right Cessation
-
2011
- 2011-05-19 WO PCT/KR2011/003706 patent/WO2011145898A2/ko active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5594629A (en) * | 1994-06-20 | 1997-01-14 | General Electric Company | High-frequency switching circuits operable in a natural zero-voltage switching mode |
US5736842A (en) | 1996-07-11 | 1998-04-07 | Delta Electronics, Inc. | Technique for reducing rectifier reverse-recovery-related losses in high-voltage high power converters |
US6282103B1 (en) | 1999-12-28 | 2001-08-28 | Yokogawa Electric Corporation | Switching power supply using an inductor device to prevent harmonic current generation |
Also Published As
Publication number | Publication date |
---|---|
KR20100063687A (ko) | 2010-06-11 |
WO2011145898A2 (ko) | 2011-11-24 |
WO2011145898A3 (ko) | 2012-03-29 |
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