JP2008269596A - 光起電性電源から電力を取り出すためのシステム、方法及び装置 - Google Patents
光起電性電源から電力を取り出すためのシステム、方法及び装置 Download PDFInfo
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/66—Regulating electric power
- G05F1/67—Regulating electric power to the maximum power available from a generator, e.g. from solar cell
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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
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
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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
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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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- 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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- 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
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- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S136/00—Batteries: thermoelectric and photoelectric
- Y10S136/291—Applications
- Y10S136/293—Circuits
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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
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- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S323/00—Electricity: power supply or regulation systems
- Y10S323/906—Solar cell systems
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Abstract
【解決手段】光起電性電源は一群の電圧−電流曲線(20,22,24,26,28)によって規定された発電特性を持ち、これらの曲線は、光起電性電源についての相異なる照射強度及び相異なる温度の内の少なくとも1つのそれぞれの範囲内での最大電力の点を含む。本装置は、光起電性電源に結合されたスイッチング変換器(12)で構成される。変換器は、入力電圧と入力電流との間に所定の関数関係を持つ入力電圧−電流曲線を有する。変換器の入力電圧−電流曲線の所定の関数関係は、変換器の動作中、光起電性電源からの最大電力に対応する電流及び電圧の計算を行うことを必要とせずに、光起電性電源についての最大電力の点の内の少なくとも幾つかの点に関して近似(例えば、32,34)を与えるように構成される。
【選択図】図1
Description
14 光起電性(PV)電源
16 電気負荷
20、22、24、26、28 I−V曲線
30 最大電力曲線
32 一次当てはめ近似
34 三次当てはめ近似
40 変換器制御回路
42 比例積分微分(PID)制御器
41 加算器
45 挿入図
46 加算器
48 一次当てはめを示すための挿入図
60 PVシステム
62 変換器PVシステム
64 パルス幅変調器(PWM)
66 利得増幅器
69 電気負荷
68 PV電源
72 温度センサ
80、82 PVモジュール
84、86 PV電源
87、88 スイッチング変換器
Q1 半導体電力スイッチ
L1、L2 一対の結合されたインダクタ
D1 ダイオード
Cout フィルタ・コンデンサ
Claims (10)
- 光起電性電源(14)が一群の電圧−電流曲線(20,22,24,26,28)によって規定される発電特性を持ち、これらの曲線が、前記光起電性電源についての相異なる照射強度及び相異なる温度の内の少なくとも1つのそれぞれの範囲内での最大電力の点を含んでいる場合に、前記光起電性電源から電気エネルギを取り出すための装置であって、
前記光起電性電源に結合されたスイッチング変換器(12)を有し、
前記変換器は、入力電圧と入力電流との間に所定の関数関係を持つ入力電圧−電流曲線を有しており、前記変換器の入力電圧−電流曲線の前記所定の関数関係は、前記変換器の動作中に、前記光起電性電源からの最大電力に対応する電流及び電圧の計算を行うことを必要とせずに、前記光起電性電源についての少なくとも幾つかの最大電力点に関する近似を与えるように構成されていること、
を特徴とする装置。 - 前記変換器の入力電圧−電流曲線は、前記光起電性電源についての少なくとも幾つかの最大電力点に関する一次当てはめ近似(32)を有している、請求項1記載の装置。
- 前記変換器の入力電圧−電流曲線は、少なくとも幾つかの最大電力点に関する三次当てはめ近似(34)を有している、請求項1記載の装置。
- 前記スイッチング変換器は、フライバック、バック・ブースト、及びバック又はブースト型の変換器より成る群から選択された一型式の変換器を有している、請求項2記載の装置。
- 前記スイッチング変換器は、更に前記一次当てはめ近似を有する前記入力電圧−電流曲線の電圧軸に沿って電圧オフセットを与えるように構成されたバック・ブースト型の変換器を有している請求項2記載の装置。
- 前記電圧オフセットについての値は、前記光起電性電源の検知された温度に基づいて変えられる、請求項5記載の装置。
- 前記変換器はフライバック型の変換器を有している、請求項3記載の装置。
- 前記装置は、各々がそれぞれの光起電性電源(84,86)から電力を受け取るように結合された複数のスイッチング変換器(87,88)を有し、各々の個々の変換器は、入力電圧と入力電流との間に所定の関数関係を持つ入力電圧−電流曲線を有していて、該所定の関数関係が前記それぞれの光起電性電源についての少なくとも幾つかの最大電力点に関する近似を与えるように構成されており、また更に、各々の個々の変換器の出力は互いに接続されて、出力電力の所望の拡張が得られる組合せ回路を形成している、請求項1記載の装置。
- 前記組合せ回路は、直列回路、並列回路、及びこれら回路の組合せより成る群から選択される、請求項8記載の装置。
- 各々の個々の変換器は直流−直流変換器を有している、請求項8記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/736,125 | 2007-04-17 | ||
US11/736,125 US20080257397A1 (en) | 2007-04-17 | 2007-04-17 | System, method, and apparatus for extracting power from a photovoltaic source of electrical energy |
Publications (3)
Publication Number | Publication Date |
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JP2008269596A true JP2008269596A (ja) | 2008-11-06 |
JP2008269596A5 JP2008269596A5 (ja) | 2013-01-24 |
JP5276349B2 JP5276349B2 (ja) | 2013-08-28 |
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JP2008100904A Active JP5276349B2 (ja) | 2007-04-17 | 2008-04-09 | 光起電性電源から電力を取り出すためのシステム、方法及び装置 |
Country Status (5)
Country | Link |
---|---|
US (2) | US20080257397A1 (ja) |
EP (1) | EP1983632B1 (ja) |
JP (1) | JP5276349B2 (ja) |
KR (1) | KR101465796B1 (ja) |
CN (1) | CN101290527B (ja) |
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2007
- 2007-04-17 US US11/736,125 patent/US20080257397A1/en not_active Abandoned
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2008
- 2008-04-09 JP JP2008100904A patent/JP5276349B2/ja active Active
- 2008-04-15 EP EP08154511.3A patent/EP1983632B1/en active Active
- 2008-04-16 KR KR1020080035007A patent/KR101465796B1/ko active IP Right Grant
- 2008-04-17 CN CN200810092236.7A patent/CN101290527B/zh active Active
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EP1983632A2 (en) | 2008-10-22 |
US20110036387A1 (en) | 2011-02-17 |
KR20080093894A (ko) | 2008-10-22 |
CN101290527A (zh) | 2008-10-22 |
EP1983632A3 (en) | 2015-08-05 |
US20080257397A1 (en) | 2008-10-23 |
KR101465796B1 (ko) | 2014-11-26 |
CN101290527B (zh) | 2014-01-29 |
US8227683B2 (en) | 2012-07-24 |
JP5276349B2 (ja) | 2013-08-28 |
EP1983632B1 (en) | 2017-11-15 |
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