KR20110006310A - 다중레벨 컨버터를 이용한 연료전지용 전력변환장치 - Google Patents
다중레벨 컨버터를 이용한 연료전지용 전력변환장치 Download PDFInfo
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- KR20110006310A KR20110006310A KR1020090063886A KR20090063886A KR20110006310A KR 20110006310 A KR20110006310 A KR 20110006310A KR 1020090063886 A KR1020090063886 A KR 1020090063886A KR 20090063886 A KR20090063886 A KR 20090063886A KR 20110006310 A KR20110006310 A KR 20110006310A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04858—Electric variables
- H01M8/04925—Power, energy, capacity or load
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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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/337—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration
- H02M3/3376—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration with automatic control of output voltage or current
- H02M3/3378—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration with automatic control of output voltage or current in a push-pull configuration of the parallel type
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/10—Fuel cells in stationary systems, e.g. emergency power source in plant
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Fuel Cell (AREA)
- Inverter Devices (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
전압레벨합 | 15 Level | 14 Level | 13 Level | 12 Level | 11 Level | 10 Level | 9 Level | 8 Level |
A컨버터 | 도통 | 비도통 | 도통 | 비도통 | 도통 | 비도통 | 도통 | 비도통 |
B컨버터 | 도통 | 도통 | 비도통 | 비도통 | 도통 | 도통 | 비도통 | 비도통 |
C컨버터 | 도통 | 도통 | 도통 | 도통 | 비도통 | 비도통 | 비도통 | 비도통 |
D컨버터 | 도통 | 도통 | 도통 | 도통 | 도통 | 도통 | 도통 | 도통 |
Claims (7)
- 다중레벨 컨버터를 이용한 연료전지용 전력변환장치에 있어서,다수개의 DC/DC 컨버터로 이루어지며, 연료전지로부터 출력되는 전압을 인가받으며, 출력되는 연료전지의 전압 변동에 관계 없이 일정하게 전압을 출력하는 다중레벨 컨버터부(100);상기 다중레벨 컨버터부(100)로부터 출력되는 직류전압을 교류전압으로 변환하여 계통에 공급하는 DC/AC 인버터부(200); 및연료전지로부터 출력되는 전압을 인가받아 상기 다중레벨 컨버터부(100)로 전달하며, 다중 연결된 상기 DC/DC 컨버터 각각을 동작 또는 정지시키기 위한 제어신호를 생성하여 전달하는 제어부(300); 를 포함하는 것을 특징으로 하는 다중레벨 컨버터를 이용한 연료전지용 전력변환장치.
- 제 1 항에 있어서,상기 DC/DC 컨버터는,입력되는 제어신호에 따라 독립적으로 턴온 및 턴오프되는 제 1 스위칭 소자(S1) 및 제 2 스위칭 소자(S2)를 포함하는 푸시풀(Push-Pull) 컨버터(110);1차 권선(Np)과 2차 권선(Ns)으로 이루어져 있으며, 누설 인덕턴스(L)를 포함하며, 상기 푸시풀 컨버터부(110)에서 출력되는 교류전압을 변화시키는 고주파 변압기(120);전파정류 다이오드(D1, D2), 고주파 커패시터(C1, C2), 전해 콘덴서(C3)로 이루어져, 상기 고주파 변압기(120)의 누설 인덕턴스(L)와 상기 고주파 커패시터(C1, C2)를 통해 푸시풀 컨버터부(110) 1차측의 제 1 스위칭 소자(S1)가 턴 온 및 턴 오프 시, 소프트 스위칭되도록 하는 더블러 정류기(130); 및상기 평활용 필터(L1, C4)를 통해 상기 더블러 정류부(130)로부터 출력되는 전압을 평활화하는 DC 링크 필터(140); 를 포함하되,상기 푸시풀 컨버터(110), 고주파 변압기(120) 및 더블러 정류기(130) 각각은, 소정개수 직렬로 연결되어 있으며, 상기 DC 링크 필터(140)는 하나로 이루어지는 것을 특징으로 하는 다중레벨 컨버터를 이용한 연료전지용 전력변환장치.
- 제 1 항에 있어서,상기 각각의 DC/DC 컨버터는, 서로 다른 고주파 변압기(120)의 변압비 레벨을 갖는 것을 특징으로 하는 다중레벨 컨버터를 이용한 연료전지용 전력변환장치.
- 제 1 항에 있어서,상기 다중레벨 컨버터부(100)는,연료전지로부터 출력되는 전압이 심하게 변동되더라도 상기 DC/AC 인버터 부(200)로 일정하게 전압을 인가할 수 있도록, 4대의 고주파 변압기(120)중, 2대는 승압형, 2대는 감압형으로 적용하는 것을 특징으로 하는 다중레벨 컨버터를 이용한 연료전지용 전력변환장치.
- 제 2 항에 있어서,상기 더블러 정류기(130)는,상기 고주파 변압기(120)의 출력전압을 전파정류시키고, 그 크기를 두 배로 증폭시키는 것을 특징으로 하는 다중레벨 컨버터를 이용한 연료전지용 전력변환장치.
- 제 2 항에 있어서,상기 더블러 정류기(130)는, 상기 고주파 변압기(120)의 2차측에 연결되어, 상기 고주파 변압기(120)의 변압비를 줄여 동손 및 코어손을 줄이는 것을 특징으로 하는 다중레벨 컨버터를 이용한 연료전지용 전력변환장치.
- 제 1 항에 있어서,상기 다수개의 DC/DC 컨버터는,연료전지로부터 출력되는 전압에 따라, 각각 개별적으로 도통 또는 비도통되는 것을 특징으로 하는 다중레벨 컨버터를 이용한 연료전지용 전력변환장치.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101465973B1 (ko) * | 2014-03-14 | 2014-11-28 | (주)지필로스 | 멀티레벨 인버터를 적용한 연료전지용 전력변환장치 및 중성점 전위 불평형 저감 방법 |
KR20190053413A (ko) * | 2017-11-10 | 2019-05-20 | 대한민국(농촌진흥청장) | 전력관리가 가능한 미생물연료전지 시스템 |
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JP4030776B2 (ja) | 2002-03-12 | 2008-01-09 | 株式会社リコー | 電子機器の電源回路 |
EP1805880A2 (en) | 2004-10-20 | 2007-07-11 | Ballard Power Systems Corporation | Power system method and apparatus |
JP2009123599A (ja) | 2007-11-16 | 2009-06-04 | Yamatake Corp | 発電システム |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101465973B1 (ko) * | 2014-03-14 | 2014-11-28 | (주)지필로스 | 멀티레벨 인버터를 적용한 연료전지용 전력변환장치 및 중성점 전위 불평형 저감 방법 |
KR20190053413A (ko) * | 2017-11-10 | 2019-05-20 | 대한민국(농촌진흥청장) | 전력관리가 가능한 미생물연료전지 시스템 |
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