KR100844290B1 - 전압 자유형 무정전 전원장치 - Google Patents
전압 자유형 무정전 전원장치 Download PDFInfo
- Publication number
- KR100844290B1 KR100844290B1 KR1020060107709A KR20060107709A KR100844290B1 KR 100844290 B1 KR100844290 B1 KR 100844290B1 KR 1020060107709 A KR1020060107709 A KR 1020060107709A KR 20060107709 A KR20060107709 A KR 20060107709A KR 100844290 B1 KR100844290 B1 KR 100844290B1
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- KR
- South Korea
- Prior art keywords
- voltage
- rectifier
- inverter
- igbt
- reactor
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
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- 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
- H02M1/12—Arrangements for reducing harmonics from ac input or output
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/567—Circuits characterised by the use of more than one type of semiconductor device, e.g. BIMOS, composite devices such as IGBT
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Rectifiers (AREA)
- Inverter Devices (AREA)
Abstract
Description
Claims (3)
- 정류기와 인버터 및 컨버터를 구비하는 무정전 전원장치에 있어서,상기 정류기(10)와 인버터(20)는 개별적인 모듈로 이루어지고, 상기 정류기(10)의 교류 입력부는 상기 인버터(20)의 교류 출력부와 동일한 구조를 가지며, 상기 정류기(10)의 직류 출력부는 상기 인버터(20)의 교류 입력부와 동일한 구조를 가지되,상기 정류기(10)는 각 AC 입력 라인에 설치되는 마그네틱 스위치(T1)와 이 마그네틱 스위치(T1)와 직렬 연결된 리액터(L5~L10), 상기 마그네틱 스위치(T1)와 리액터(L5~L10)의 접속점에 연결되는 캐퍼시터 모듈부(C1~C6) 및 상기 리액터(L5~L10)를 거친 각 상의 AC 전압을 정류하는 다수의 IGBT(Q7~Q8, Q12~Q14)를 구비하여 이루어지고,상기 인버터(20)는 DC 전압을 AC 전압으로 변환하는 다수의 IGBT(Q7~Q9, Q12~Q14)와 이 IGBT(Q7~Q9, Q12~Q14)와 연결되는 리액터(L5~L10), 이 리액터(L5~L10)와 직렬 연결되는 마그네틱 스위치(T3) 및 이 마그네틱 스위치(T3)와 리액터(L5~L10)의 접속점에 연결되는 캐퍼시터 모듈부(C1~C6) 를 구비하여 이루어지며,상기 컨버터는 서로 직렬로 연결된 2개의 IGBT와 이 2개 IGBT의 접속점에 결합된 리액터를 구비하여, 비정전시 상기 정류기의 출력 직류전압을 강압 변환하여 축전지의 충전전압과 부합되는 전압의 크기로 변환하여 축전지로 출력하고, 정전시 축전지의 충전전압을 승압 변환하여 상기 인버터로 출력하도록 구성되되,비정전시 제1 IGBT와 리액터를 통해 충전 동작이 이루어지고, 정전시 제2 IGBT와 리액터 및 상기 제1 IGBT의 내부 다이오드를 통해 방전 동작이 이루어지도록 된 것을 특징으로 하는 전압 자유형 무정전 전원장치.
- 제 1항에 있어서,상기 정류기의 입력 교류전압은 380V 내지 480V 인 것을 특징으로 하는 전압 자유형 무정전 전원장치.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060107709A KR100844290B1 (ko) | 2006-11-02 | 2006-11-02 | 전압 자유형 무정전 전원장치 |
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KR1020060107709A KR100844290B1 (ko) | 2006-11-02 | 2006-11-02 | 전압 자유형 무정전 전원장치 |
Publications (2)
Publication Number | Publication Date |
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KR20080040130A KR20080040130A (ko) | 2008-05-08 |
KR100844290B1 true KR100844290B1 (ko) | 2008-07-07 |
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KR1020060107709A KR100844290B1 (ko) | 2006-11-02 | 2006-11-02 | 전압 자유형 무정전 전원장치 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010061731A (ko) * | 1999-12-29 | 2001-07-07 | 김봉현 | 무정전 전원장치 |
JP2003052134A (ja) * | 2001-08-07 | 2003-02-21 | Mitsubishi Electric Corp | 無停電電源装置の制御方法およびこの方法を用いた無停電電源装置 |
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- 2006-11-02 KR KR1020060107709A patent/KR100844290B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010061731A (ko) * | 1999-12-29 | 2001-07-07 | 김봉현 | 무정전 전원장치 |
JP2003052134A (ja) * | 2001-08-07 | 2003-02-21 | Mitsubishi Electric Corp | 無停電電源装置の制御方法およびこの方法を用いた無停電電源装置 |
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KR20080040130A (ko) | 2008-05-08 |
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