KR970076150A - 주전원의 펄스폭 비율 검출에 의한 부전원 제어 회로 - Google Patents
주전원의 펄스폭 비율 검출에 의한 부전원 제어 회로 Download PDFInfo
- Publication number
- KR970076150A KR970076150A KR1019960015809A KR19960015809A KR970076150A KR 970076150 A KR970076150 A KR 970076150A KR 1019960015809 A KR1019960015809 A KR 1019960015809A KR 19960015809 A KR19960015809 A KR 19960015809A KR 970076150 A KR970076150 A KR 970076150A
- Authority
- KR
- South Korea
- Prior art keywords
- power source
- pulse width
- main power
- width ratio
- sub
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 238000004804 winding Methods 0.000 claims abstract 2
- 239000003990 capacitor Substances 0.000 claims 3
- 238000009413 insulation Methods 0.000 abstract 2
- 230000003287 optical effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
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
- H02M5/00—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC
- H02M5/04—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters
- H02M5/10—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters using transformers
- H02M5/12—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters using transformers for conversion of voltage or current amplitude only
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
Claims (2)
- 주전원과 부전원을 동시에 사용하는 전원부에 있어서, 주전원부(11)의 전원 트랜스(T11) 1차측 검출권선(ND)으로부터 주전원부(11)의 펄스폭 비율을 검출하여 부전원부(12)를 제어하는 펄스폭 비 검출부(15)의 구성요소를 포함하여 이루어지는 것을 특징으로 하는 주전원의 펄스폭 비율 검출에 의한 부전원 제어 회로.
- 제1항에 있어서, 상기 펄스폭 비 검출부(15)는 주전원부(11)의 1차측 검출권선(ND)에 유기되는 스위칭 전압을 정류하는 정류 다이오드(D11, D12)와, 정류 다이오드(D11)를 통하여 정류된 전압을 충전하는 콘덴서(C11)와, 상기 정류 다이오드(D12)에서 정류된 전압을 베이스로 입력받아 동작하여 상기 콘덴서(C11)의 충방전을 제어하는 트랜지스터(Q11)와, 상기 콘덴서(C11)에 의해 인가되는 트랜지스터(Q12)의 베이스전압을 조정하는 제너다이오드(ZD11)와, 제너다이오드(ZD11)에 의해 인가되는 베이스전압을 입력받아 온, 오프(OFF)스위칭하여 부전원부(12)의 동작을 제어하는 트랜지스터(Q12)로 이루어지는 것을 특징으로 하는 주전원의 펄스폭 비율 검출에 의한 부전원 제어 회로.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960015809A KR100204244B1 (ko) | 1996-05-13 | 1996-05-13 | 주전원의 펄스폭 비율 검출에 의한 부전원 제어회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960015809A KR100204244B1 (ko) | 1996-05-13 | 1996-05-13 | 주전원의 펄스폭 비율 검출에 의한 부전원 제어회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970076150A true KR970076150A (ko) | 1997-12-12 |
KR100204244B1 KR100204244B1 (ko) | 1999-06-15 |
Family
ID=19458510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960015809A KR100204244B1 (ko) | 1996-05-13 | 1996-05-13 | 주전원의 펄스폭 비율 검출에 의한 부전원 제어회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100204244B1 (ko) |
-
1996
- 1996-05-13 KR KR1019960015809A patent/KR100204244B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR100204244B1 (ko) | 1999-06-15 |
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