JP2011078306A - インバータの作動方法及びインバータ - Google Patents
インバータの作動方法及びインバータ Download PDFInfo
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- JP2011078306A JP2011078306A JP2010223640A JP2010223640A JP2011078306A JP 2011078306 A JP2011078306 A JP 2011078306A JP 2010223640 A JP2010223640 A JP 2010223640A JP 2010223640 A JP2010223640 A JP 2010223640A JP 2011078306 A JP2011078306 A JP 2011078306A
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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
- 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
-
- 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
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
-
- 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
-
- 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
-
- 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
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/487—Neutral point clamped inverters
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Dc-Dc Converters (AREA)
- Control Of Electrical Variables (AREA)
Abstract
【解決手段】太陽発電機Gの直流電圧+U_ZL、−U_ZLを、電源Nに供給するために交流電圧U_Netzに変換するために、インバータは、昇圧回路H、中間回路Z、及び降圧回路Tを備えている。昇圧回路Hは、直流電圧+U_ZL、−U_ZLが、電源電圧U_Netzのピーク・ピーク最大値より小さいときに直流電圧+U_ZL、−U_ZLを昇圧し、降圧回路Tは、中間回路電圧+U_ZH、−U_ZHを、電源Nにおいて実際に必要とされるより低い電圧U_Netzに降圧する。昇圧回路Hは、直流電圧+U_ZL、−U_ZLを、実際に電源Nにおいて必要とされる値に動的に昇圧し、一時的に、中間回路電圧+U_ZH、−U_ZHに対してほぼ正弦波形の電圧曲線を提供する。
【選択図】図1
Description
本発明のその他の利点並びに詳細は好ましい実施形態の図面による以下の説明から理解されるであろう。
電源N内への本来の給電は最終的に電源チョークL3を介して行われる。
この要求は、図1に示された回路を用いて、簡単な拡張変更により達成可能である。
全ての昇圧回路Hは1つの共通の動的中間回路Zに給電し、この動的中間回路Zの構成は図1のそれに対応する。昇圧回路は相互にいわゆる並列に接続されている。
H 昇圧回路
N 交流電源
T 降圧回路
Z 動的中間回路
Claims (9)
- 太陽発電機(G)の直流電圧(+U_ZL、−U_ZL)を、電源(N)に供給するために交流電圧(U_Netz)に変換するための、昇圧回路(H)、中間回路(Z)及び降圧回路(T)を備えたインバータの作動方法であって、前記昇圧回路(H)は、前記直流電圧(+U_ZL、−U_ZL)が、電源電圧(U_Netz)のピーク・ピーク最大値より小さいときに前記直流電圧(+U_ZL、−U_ZL)を昇圧し、及び前記降圧回路(T)は、必要に応じて、中間回路電圧(+U_ZH、−U_ZH)を、電源(N)内において実際に必要とされるより低い電圧(U_Netz)に降圧する、インバータの作動方法において、
前記昇圧回路(H)は、前記直流電圧(+U_ZL、−U_ZL)を、実際に電源(N)内において必要とされる値に動的に昇圧し、且つ、一時的に、前記中間回路電圧(+U_ZH、−U_ZH)に対してほぼ正弦波形の電圧曲線を提供する
ことを特徴とするインバータの作動方法。 - 請求項1記載の作動方法において、前記昇圧回路(H)は、太陽発電機(G)の正又は負の電圧レベル(+U_ZL、−U_ZL)を、中間の電圧レベル(0V)に対して、絶対値として、実際に電源(N)内において必要とされる値(U_Netz)に昇圧し、これにより、前記正又は負の電圧レベル(+U_ZL、−U_ZL)が、中間の電圧レベル(0V)に対して、絶対値として、実際に電源(N)内において必要とされる電圧(U_Netz)より小さいときに、前記動的中間回路電圧(+U_ZH、−U_ZH)をこの値に昇圧することを特徴とする作動方法。
- 請求項1又は2記載の作動方法において、前記動的中間回路(Z)から3つの電源相(U、V、W)に給電され、前記動的中間回路(Z)から、電源相の各相(U、V、W)に対して固有の降圧回路(T)に給電されることを特徴とする作動方法。
- 請求項3記載の作動方法において、前記直流電圧(+U_ZL、−U_ZL)が前記電源相(U、V、W)内において実際に必要とされる最高供給電圧より低い場合、前記昇圧回路(H)がこの最高供給電圧に動的に制御することを特徴とする作動方法。
- 請求項1−4いずれかに記載の作動方法において、複数の太陽発電機(G)が、それぞれに付属された昇圧回路(H)を介して前記動的中間回路(Z)に給電することを特徴とする作動方法。
- 請求項5記載の作動方法において、
実際に最高の直流電圧を提供する太陽発電機(G)がマスタ・ストリングであり、
その他の太陽発電機(G)に付属された昇圧回路(H)は、前記マスタ・ストリング又はそれに付属された昇圧回路(H)から前記動的中間回路(Z)に与えられた電圧に対応する電圧を提供する
ことを特徴とする作動方法。 - 太陽発電機(G)の直流電圧(+U_ZL、−U_ZL)を、電源(N)に供給するために交流電圧(U_Netz)に変換するための、昇圧回路(H)、中間回路(Z)及び降圧回路(T)を備えたインバータであって、前記昇圧回路(H)は、前記直流電圧(+U_ZL、−U_ZL)が、電源電圧(U_Netz)のピーク・ピーク最大値より小さいときに前記直流電圧(+U_ZL、−U_ZL)を昇圧し、及び前記降圧回路(T)は、必要に応じて、中間回路電圧(+U_ZH、−U_ZH)を、電源(N)内において実際に必要とされるより低い電圧(U_Netz)に降圧する、インバータにおいて、
前記昇圧回路(H)は、前記直流電圧(+U_ZL、−U_ZL)を、実際に電源(N)内において必要とされる値に動的に昇圧し、且つ、一時的に、前記中間回路電圧(+U_ZH、−U_ZH)に対してほぼ正弦波形の電圧曲線を提供する
ことを特徴とするインバータ。 - 請求項7記載のインバータにおいて、それぞれ1つの昇圧回路(H)が付属されている複数の太陽発電機(G)が、前記動的中間回路(Z)に給電することを特徴とするインバータ。
- 請求項7又は8記載のインバータにおいて、前記動的中間回路(Z)から、電源相(U、V、W)にそれぞれ付属された降圧回路(T)を介して、複数の電源相(U、V、W)に給電されることを特徴とするインバータ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102009047936.8 | 2009-10-01 | ||
DE102009047936A DE102009047936A1 (de) | 2009-10-01 | 2009-10-01 | Verfahren zum Betreiben eines Wechselrichters und Wechselrichter |
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JP2011078306A true JP2011078306A (ja) | 2011-04-14 |
JP5677006B2 JP5677006B2 (ja) | 2015-02-25 |
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JP2010223640A Expired - Fee Related JP5677006B2 (ja) | 2009-10-01 | 2010-10-01 | インバータの作動方法及びインバータ |
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US (1) | US8472222B2 (ja) |
EP (1) | EP2325993B1 (ja) |
JP (1) | JP5677006B2 (ja) |
CN (1) | CN102035418B (ja) |
DE (1) | DE102009047936A1 (ja) |
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- 2010-09-06 CN CN201010274738.9A patent/CN102035418B/zh not_active Expired - Fee Related
- 2010-09-27 US US12/891,425 patent/US8472222B2/en not_active Expired - Fee Related
- 2010-10-01 JP JP2010223640A patent/JP5677006B2/ja not_active Expired - Fee Related
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JP2014516242A (ja) * | 2011-06-07 | 2014-07-07 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | ステップアップコンバータ |
JP2014523225A (ja) * | 2011-07-08 | 2014-09-08 | エスエムエー ソーラー テクノロジー アーゲー | Dc/acコンバータ、発電プラント、および、dc/acコンバータのための動作方法 |
WO2015105081A1 (ja) * | 2014-01-09 | 2015-07-16 | 住友電気工業株式会社 | 電力変換装置及び三相交流電源装置 |
JPWO2015105081A1 (ja) * | 2014-01-09 | 2017-03-23 | 住友電気工業株式会社 | 電力変換装置及び三相交流電源装置 |
US9722508B2 (en) | 2014-01-09 | 2017-08-01 | Sumitomo Electric Industries, Ltd. | Power conversion device and three-phase alternating current power supply device |
WO2016006273A1 (ja) * | 2014-07-08 | 2016-01-14 | 住友電気工業株式会社 | 電力変換装置及び三相交流電源装置 |
JP2016019367A (ja) * | 2014-07-08 | 2016-02-01 | 住友電気工業株式会社 | 電力変換装置及び三相交流電源装置 |
US10193434B2 (en) | 2014-07-08 | 2019-01-29 | Sumitomo Electric Industries, Ltd. | Power conversion device and three-phase AC power supply device |
TWI663826B (zh) * | 2014-07-08 | 2019-06-21 | 日商住友電氣工業股份有限公司 | Power conversion device and three-phase AC power supply device |
Also Published As
Publication number | Publication date |
---|---|
JP5677006B2 (ja) | 2015-02-25 |
EP2325993B1 (de) | 2015-07-01 |
CN102035418A (zh) | 2011-04-27 |
US8472222B2 (en) | 2013-06-25 |
DE102009047936A1 (de) | 2011-04-07 |
EP2325993A2 (de) | 2011-05-25 |
CN102035418B (zh) | 2015-05-13 |
EP2325993A3 (de) | 2012-02-22 |
US20110080147A1 (en) | 2011-04-07 |
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