JP6236582B2 - 適合するしきい値を有する太陽電池の電子的管理システム - Google Patents
適合するしきい値を有する太陽電池の電子的管理システム 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- H01L31/02—Details
- H01L31/02016—Circuit arrangements of general character for the devices
- H01L31/02019—Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02021—Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier for solar 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
- H02M3/00—Conversion of dc power input into dc power output
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
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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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
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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
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
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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
- H02M3/156—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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1584—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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
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- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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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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Description
太陽電池発電装置の電子的管理システムであって、
それぞれが、前記発電装置の少なくとも1個の太陽電池(10)に電気的に接続された、並列接続された複数のn個の静電変換器(11、12、13)を備え、
接続される変換器の数は、発生する電力と、しきい値P1、P2、・・・Pn−1を比較することにより決定され、これらのしきい値は、相違している複数の変換器の効率曲線の交点の電力値で定義される電子的管理システムを提供するものである。
−少なくとも1個の太陽電池、及び
−本発明の管理システム
を含む太陽電池発電装置である。
−少なくとも1個の太陽電池、
−それぞれが、前記少なくとも1個の太陽電池(10)に電気的に接続され、互いに並列接続された複数のn個の静電変換器(11、12、13)を含む太陽電池発電装置の制御方法であって、
−前記少なくとも1個の太陽電池により発生する電力を決定し、かつピーク電力と比較する工程と、
−しきい値P1、P2、Pn−1と比較する工程と、
−これらのしきい値P1、P2、Pn−1を、少なくとも1個の太陽電池の
相違している複数の変換器の効率曲線の交点の電力値で定義する工程と、
−測定した電力値がPi−1とPiの間にある場合にi個の変換器を接続し、あるいは測定した電力値がPn−1より大きい場合に、全ての変換器を接続する工程
を備える太陽電池発電装置の制御方法である。
−少なくとも1個の第1の変換器を接続する工程、
−より多くの数の変換器を接続する工程を含み、
−より少ない数の変換器の接続の場合に、前記第1の変換器を接続しない。
各変換器の使用期間及び/又は使用数を決定する工程、
変換器を、使用期間及び/又は使用数が、一定期間、各変換器間で、ほぼ等しくなるよう接続する工程を含んでいる。
本実施例では、しきい値がPVpeakの1/3及び2/3に固定された従来技術で使用された、3CSを備えるシステムと、本発明で使用される3CSを備えるシステムを比較する。
MPP 最大電力点
MPPT 最大電力点追従制御
PV 太陽電池
2 電池
3 ノンリターンダイオード
4 バイパスダイオード
6 MPPTコマンド
8 変換器
10 太陽電池ユニット
11、12、13 静電変換器
14 MPPTコマンド
15 バッテリ
P1、P2 しきい値
Vopt 最適電圧値
Vin 入力電圧
Vout 出力電圧
Claims (14)
- 太陽電池発電装置の電子的管理システムであって、
前記発電装置の少なくとも1個の太陽電池(10)それぞれに電気的に選択的に接続され、
互いに並列接続された複数のn個の静電変換器(11、12、13)を備え、
前記太陽電池に接続される前記複数の変換器の数は、前記太陽電池により発生する可変電力と、電力しきい値P1、P2、・・・Pn−1を比較することにより決定され、
前記電力しきい値は、所定の相違する複数の変換器の複数の効率曲線における少なくとも2つの効率曲線の交点の電力値で定義され、
電力しきい値P 1 は、1個及び2個の変換器の効率曲線間の交点、電力しきい値P n−1 は、n−1個及びn個の変換器の効率曲線間の交点であり、
前記太陽電池に結合された前記複数の変換器の数を決定するために使用される電力しきい値P 1 、P 2 、・・・P n−1 のうちの特定の1つは、太陽電池発電装置の出力で発生する電力量に基づいて選択され、
前記電力しきい値は、前記静電変換器の温度に依存している太陽電池発電装置の電子的管理システム。 - 前記しきい値は、前記少なくとも1個の太陽電池の最適電圧値Voptに依存する請求項1に記載のシステム。
- 前記しきい値は、前記複数の変換器に供給される入力電圧に依存し、好ましくは前記入力電圧は、前記少なくとも1個の太陽電池の最適電圧値Voptである請求項1又は2に記載のシステム。
- 前記しきい値は、1年の内の時期及び/又は日射量に応じて決定される請求項2又は3に記載のシステム。
- 前記しきい値は、前記複数の変換器のデューテーサイクルにより決定される請求項1から4までのいずれか1項に記載のシステム。
- 決定された前記しきい値は、管理システムのメモリに記憶され、該しきい値は、太陽電池発電装置のパラメータの測定に応じて修正される請求項1から5までのいずれか1項に記載のシステム。
- 電力の関数として、前記効率曲線を決定するデバイスを備える請求項1から6までのいずれか1項に記載のシステム。
- 前記複数の変換器が順に接続されている請求項1から7までのいずれか1項に記載のシステム。
- 前記複数の変換器の交換を、使用している変換器の数を変化させる際に行うようにした請求項8に記載のシステム。
- 前記複数の変換器の交換を、該複数の変換器の素子の状態に応じて行うようにした請求項8又は9に記載のシステム。
- 少なくとも1個の太陽電池、及び
請求項1から10までのいずれか1項に記載の管理システム
を含む太陽電池発電装置。 - −少なくとも1個の太陽電池、
−それぞれが、前記少なくとも1個の太陽電池(10)に電気的に接続された、並列接続された複数のn個の静電変換器(11、12、13)を含む太陽電池発電装置の制御方法であって、
−前記少なくとも1個の太陽電池により発生する可変電力を決定し、かつピーク電力と比較する工程と、
−1又は2以上のしきい値P1、P2、Pn−1 を少なくとも1個の太陽電池により発電された電力と比較する工程と、
−これらのしきい値P1、P2、Pn−1を、複数の効率曲線における少なくとも2つの効率曲線の交点の電力値で定義する工程と、
−測定した電力値がPi−1とPiの間にある場合にi個の変換器を接続し、あるいは測定した電力値がPn−1より大きい場合に、全ての変換器を接続する工程とを含み、
前記複数の効率曲線の各々は、所定の数の変換器に対する効率曲線に対応し、
電力しきい値P 1 は、1個及び2個の変換器の効率曲線間の交点、電力しきい値P n−1 は、n−1個及びn個の変換器の効率曲線間の交点であり、
少なくとも1個の太陽電池に結合された前記複数の変換器の数を決定するために使用される電力しきい値P 1 、P 2 、・・・P n−1 のうちの特定の1つは、前記太陽電池発電装置の出力で発生する電力量に基づいて選択され、
前記しきい値は、静電変換器の温度に依存している太陽電池発電装置の制御方法。 - 測定した電力値が前記しきい値Pi−1とPiの間で変化する際に、並列接続された複数のn個の変換器の交換が実行される工程を含む請求項12に記載の方法。
- 並列接続された複数のn個の変換器の各々の使用期間及び/又は使用数の1又は2以上を決定する工程と、
時間の経過とともに、使用期間及び/又は使用数の1又は2以上が、並列接続された複数のn個の変換器間で、ほぼ等しくなるように並列接続された複数のn個の変換器の各々を接続する工程とを含む請求項13に記載の方法。
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US9018892B2 (en) * | 2011-03-23 | 2015-04-28 | Indian Institute Of Technology Bombay | Photo-voltaic array fed switched capacitor DC-DC converter based battery charging for Li-Ion batteries |
JP5849034B2 (ja) * | 2012-09-05 | 2016-01-27 | 株式会社日立産機システム | 太陽光パワーコンディショナ及びその制御方法 |
EP2770539A1 (en) * | 2013-02-20 | 2014-08-27 | Total Marketing Services | Electronic management system for electricity generating cells, electricity generating system and method for electronically managing energy flow |
JP6472791B2 (ja) * | 2014-05-12 | 2019-02-20 | シャープ株式会社 | 光発電装置 |
JP6224534B2 (ja) * | 2014-07-14 | 2017-11-01 | 大井電気株式会社 | 太陽電池制御装置 |
US9870297B2 (en) * | 2014-08-29 | 2018-01-16 | Ebay Inc. | Optimization of power and computational density of a data center |
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EP2510415B1 (fr) | 2016-11-23 |
AU2010329476A1 (en) | 2012-07-19 |
EP2510415A1 (fr) | 2012-10-17 |
CA2785184A1 (en) | 2011-06-16 |
US20120256612A1 (en) | 2012-10-11 |
KR101832513B1 (ko) | 2018-02-26 |
RU2537039C2 (ru) | 2014-12-27 |
AU2010329476B2 (en) | 2016-05-19 |
BR112012011812A2 (pt) | 2016-03-01 |
US9515517B2 (en) | 2016-12-06 |
RU2012129241A (ru) | 2014-01-20 |
KR20120109551A (ko) | 2012-10-08 |
FR2953997A1 (fr) | 2011-06-17 |
WO2011070547A1 (fr) | 2011-06-16 |
CA2785184C (en) | 2020-02-25 |
CN102782602A (zh) | 2012-11-14 |
FR2953997B1 (fr) | 2012-01-20 |
JP2016033828A (ja) | 2016-03-10 |
JP2013513849A (ja) | 2013-04-22 |
ZA201204011B (en) | 2014-02-26 |
BR112012011812A8 (pt) | 2018-01-02 |
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