KR101706381B1 - 전력 변환기 기동회로 - Google Patents
전력 변환기 기동회로 Download PDFInfo
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- KR101706381B1 KR101706381B1 KR1020090109732A KR20090109732A KR101706381B1 KR 101706381 B1 KR101706381 B1 KR 101706381B1 KR 1020090109732 A KR1020090109732 A KR 1020090109732A KR 20090109732 A KR20090109732 A KR 20090109732A KR 101706381 B1 KR101706381 B1 KR 101706381B1
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- 239000003990 capacitor Substances 0.000 claims description 28
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- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 description 1
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells
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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
- H02M1/36—Means for starting or stopping converters
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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
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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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
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/40—Synchronising a generator for connection to a network or to another generator
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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
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
- H02M1/4233—Arrangements for improving power factor of AC input using a bridge converter comprising active switches
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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
- H02M3/02—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
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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
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
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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
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/4826—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode operating from a resonant DC source, i.e. the DC input voltage varies periodically, e.g. resonant DC-link inverters
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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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
- H02J2300/26—The renewable source being solar energy of photovoltaic origin involving maximum power point tracking control for photovoltaic sources
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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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
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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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/0074—Plural converter units whose inputs are connected in series
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
Claims (16)
- 광전 발전기(PVG), 전압 중간회로, 주 전력 변환기(Str2) 및 MMP 전압이 설정된 MMP 제어수단을 포함하고, 광전 발전기(PVG)에 의해 생성된 직류전압을 그리드(N)로 인가될 교류전압으로 변환하기 위한 전력 변환기에 있어서,적어도 하나의 전압제한 부가회로(Z1, Z2)가 제공되고, 상기 광전 발전기(PVG)의 기동 단계 동안만 동작하고 그 기동 단계 동안 상기 주 전력 변환기(Str2)에 대한 입력 전압을 제한함으로써, 상기 주 전력 변환기(Str2)의 허용된 최대 MMP 전압을 초과하지 않고,상기 광전 발전기에 병렬로 배열된 전압 분할기는 직렬로 연결된 제1캐패시터(C1) 및 중간회로 캐패시터(CZ)를 포함하는 용량성 전압 분할기이고, 상기 용량성 전압 분할기는 기동 단계 동안만 적어도 하나의 상기 전압제한 부가회로(Z1)의 전압과 상기 주 전력 변환기(Str2)의 입력 전압 사이에서 전압을 분할하고,바이패스 스위치(S1)는 상기 주 전력 변환기에 직렬로 연결되며, 다이오드(D1)는 상기 바이패스 스위치(S1)와 상기 제1캐패시터(C1)간 순방향으로 연결됨으로써 상기 바이패스 스위치(S1)의 방향으로 전류의 흐름을 방지하고, 상기 바이패스 스위치의 개방에 의해서만 전류가 흐르며,상기 적어도 하나의 전압제한 부가회로(Z1)는 적어도 하나의 보조 전력 변환기(Str1), 저항 쵸퍼(Cho), 및 출력이 중간회로 캐패시터(CZ) 배후에 연결된 전기적으로 격리된 DC/DC 변환기(DCDC1)를 포함하는 것을 특징으로 하는 전력 변환기.
- 청구항 1에 있어서,상기 전압제한 부가회로(Z1, Z2)는 전압제한 부가회로(Z1)를 동작시키거나 또는 동작시키지 않도록 바이패스 스위치(S1)에 연결되는 것을 특징으로 하는 전력 변환기.
- 청구항 2에 있어서,상기 전압제한 부가회로(Z1, Z2)는 기동 단계 동안 개방되고 기동 단계 이후 폐쇄되며, 상기 광전 발전기와 주 전력 변환기(Str2)간 전류로에 위치되고, 적어도 하나의 보상의 전압제한 부가회로(Z1)와 병렬로 연결된 바이패스 스위치(S1)에 연결 되는 것을 특징으로 하는 전력 변환기.
- 청구항 3에 있어서,상기 바이패스 스위치(S1)는 기계적인 스위치인 것을 특징으로 하는 전력 변환기.
- 청구항 3에 있어서,상기 전압제한 부가회로(Z1)는 기계적인 강압 변환기로서 구성되는 것을 특징으로 하는 전력 변환기.
- 삭제
- 삭제
- 삭제
- 청구항 1에 있어서,보조 전력 변환기(Str1)는 그리드(N)에 직접 연결되어 그리드에 전력을 직접 인가하는 것을 특징으로 하는 전력 변환기.
- 삭제
- 삭제
- 청구항 1에 있어서,광전 발전기(PVG)에 병렬로 배열된 저항 전압 분할기는 제1직렬 저항(R1)과 주 전력 변환기(Str2)에 병렬로 위치된 제2직렬 저항(R2) 사이에서 전압을 분할하고, 전압 분할은 기동 단계 동안만 발생하는 것을 특징으로 하는 전력 변환기.
- 청구항 12에 있어서,바이패스 스위치 S1은 제1직렬 저항(R1)과 병렬로 연결되고, 바이패스 스위치 S2는 제2직렬 저항(R2)과 직렬로 연결되지만 주 전력 변환기(Str2)와는 여전히 병렬로 연결되는 것을 특징으로 하는 전력 변환기.
- 청구항 1 내지 5, 9, 12, 13 중 어느 한 항에 따른 전력 변환기를 포함하여 직류전압을 교류전압으로 변환하기 위한 방법에 있어서,주 전력 변환기(Str2)의 출력 전압이 기동 단계 동안 주 전압과 동기화되고, 주 전력 변환기(Str2)는 일단 동기화가 완료되면 교류 스위칭 소자(S_AC)에 의해 그리드(N)에 연결되는 것을 특징으로 하는 직류전압을 교류전압으로 변환하기 위한 방법.
- 청구항 14에 있어서,광전 발전기(PVG)의 DC 소스 전압이 최대 MPP 전압에 대응하는 값으로 저하하도록 광전 발전기(PVG)가 높게 로드되도록, 바이패스 스위치(S1)를 연결할 때 주 전력 변환기(Str2)의 반도체 스위치에 대한 플러스 패턴의 동작신호가 설정되는 것을 특징으로 하는 직류전압을 교류전압으로 변환하기 위한 방법.
- 청구항 14에 있어서,전력제한 부가회로(Z1)는 주 전력 변환기(Str2)의 출력 전압 및 주 전압이 동기화된 후 스위치(S1)에 의해 바이패스되는 것을 특징으로 하는 직류전압을 교류전압으로 변환하기 위한 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08019975.5 | 2008-11-15 | ||
EP08019975.5A EP2187510B1 (de) | 2008-11-15 | 2008-11-15 | Stromrichteranlaufschaltung |
Publications (2)
Publication Number | Publication Date |
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KR20100055334A KR20100055334A (ko) | 2010-05-26 |
KR101706381B1 true KR101706381B1 (ko) | 2017-02-13 |
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KR1020090109732A Active KR101706381B1 (ko) | 2008-11-15 | 2009-11-13 | 전력 변환기 기동회로 |
Country Status (3)
Country | Link |
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US (1) | US8379418B2 (ko) |
EP (1) | EP2187510B1 (ko) |
KR (1) | KR101706381B1 (ko) |
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EP2187510A1 (de) | 2010-05-19 |
US8379418B2 (en) | 2013-02-19 |
EP2187510B1 (de) | 2016-08-03 |
US20100124087A1 (en) | 2010-05-20 |
KR20100055334A (ko) | 2010-05-26 |
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