JP6762680B2 - 太陽光発電システム - Google Patents
太陽光発電システム Download PDFInfo
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- JP6762680B2 JP6762680B2 JP2018510220A JP2018510220A JP6762680B2 JP 6762680 B2 JP6762680 B2 JP 6762680B2 JP 2018510220 A JP2018510220 A JP 2018510220A JP 2018510220 A JP2018510220 A JP 2018510220A JP 6762680 B2 JP6762680 B2 JP 6762680B2
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- 238000005259 measurement Methods 0.000 claims description 121
- 230000007704 transition Effects 0.000 claims description 36
- 238000006243 chemical reaction Methods 0.000 claims description 31
- 238000004364 calculation method Methods 0.000 claims description 23
- 238000010248 power generation Methods 0.000 claims description 19
- 230000001052 transient effect Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 12
- 239000003990 capacitor Substances 0.000 description 5
- 238000009499 grossing Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012905 input function Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Classifications
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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
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
-
- 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
- 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
-
- 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
- H02M7/53—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 using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
-
- 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
- H02M7/53—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 using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
- H02M7/53871—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
-
- 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
- H02S40/30—Electrical components
- H02S40/32—Electrical components comprising DC/AC inverter means associated with the PV module itself, e.g. AC modules
-
- 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
-
- 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)
- Photovoltaic Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Description
図1は、本発明の第1の実施形態に係る制御装置2を適用した太陽光発電システム10の構成を示す構成図である。なお、図面における同一部分には同一符号を付してその詳しい説明を省略し、異なる部分について主に述べる。
図4は、本発明の第2の実施形態に係る制御装置2Aを適用した太陽光発電システム10Aの構成を示す構成図である。図5は、本実施形態に係る入力電力計測部21Aの構成を示す構成図である。図6は、本実施形態に係る出力電力計測部26Aの構成を示す構成図である。
Claims (3)
- 太陽電池から入力される直流電力を交流電力に変換するインバータと、
前記インバータに入力される直流電圧を昇圧し、または降圧することによって、最大電力点追従制御する最大電力点追従制御手段と、
前記最大電力点追従制御による前記直流電圧の昇圧または降圧によって生じた過渡状態を回避した時点で、前記インバータに入力される前記直流電力を計測する入力電力計測手段と、
前記過渡状態を回避した時点で、前記インバータから出力される前記交流電力を計測する出力電力計測手段と、
前記入力電力計測手段により計測された前記直流電力及び前記出力電力計測手段により計測された前記交流電力に基づいて、前記インバータの変換効率を演算する変換効率演算手段と、
前記最大電力点追従制御により、前記直流電圧を昇圧し、または降圧させる指令を出力する度に前記過渡状態を回避した時点で計測するための過渡状態回避信号を出力する過渡状態回避信号出力手段と、
前記入力電力計測手段による計測と前記出力電力計測手段による計測が同時刻となるように同期をとる制御をする計測同期手段と、を備え、
前記入力電力計測手段は、前記過渡状態回避信号出力手段から出力される前記過渡状態回避信号に基づいて、前記直流電力を計測し、
前記出力電力計測手段は、前記過渡状態回避信号出力手段から出力される前記過渡状態回避信号に基づいて、前記交流電力を計測することを特徴とする太陽光発電システム。
- 太陽電池から入力される直流電力を交流電力に変換するインバータを備える太陽光発電システムの制御装置であって、
前記インバータに入力される直流電圧を昇圧し、または降圧することによって、最大電力点追従制御する最大電力点追従制御手段と、
前記最大電力点追従制御による前記直流電圧の昇圧または降圧によって生じた過渡状態を回避した時点で、前記インバータに入力される前記直流電力を計測する入力電力計測手段と、
前記過渡状態を回避した時点で、前記インバータから出力される前記交流電力を計測する出力電力計測手段と、
前記入力電力計測手段により計測された前記直流電力及び前記出力電力計測手段により計測された前記交流電力に基づいて、前記インバータの変換効率を演算する変換効率演算手段と、
前記最大電力点追従制御により、前記直流電圧を昇圧し、または降圧させる指令を出力する度に前記過渡状態を回避した時点で計測するための過渡状態回避信号を出力する過渡状態回避信号出力手段と、
前記入力電力計測手段による計測と前記出力電力計測手段による計測が同時刻となるように同期をとる制御をする計測同期手段と、を備え、
前記入力電力計測手段は、前記過渡状態回避信号出力手段から出力される前記過渡状態回避信号に基づいて、前記直流電力を計測し、
前記出力電力計測手段は、前記過渡状態回避信号出力手段から出力される前記過渡状態回避信号に基づいて、前記交流電力を計測することを特徴とする太陽光発電システムの制御装置。 - 太陽電池から入力される直流電力を交流電力に変換するインバータを備える太陽光発電システムの制御方法であって、
前記インバータに入力される直流電圧を昇圧し、または降圧することによって、最大電力点追従制御し、
前記最大電力点追従制御による前記直流電圧の昇圧または降圧によって生じた過渡状態を回避した時点で、前記インバータに入力される前記直流電力を計測し、
前記過渡状態を回避した時点で、前記インバータから出力される前記交流電力を計測し、
計測した前記直流電力及び計測した前記交流電力に基づいて、前記インバータの変換効率を演算し、
前記最大電力点追従制御により前記インバータの直流電圧を変動させる指令を出力する度に前記過渡状態を回避した時点で計測するための過渡状態回避信号を出力し、
前記直流電力の計測と前記交流電力の計測が同時刻となるように同期をとる制御することを含み、
前記直流電力の計測は、前記過渡状態回避信号に基づいて実行し、
前記交流電力を計測は、前記過渡状態回避信号に基づいて実行することを特徴とする太陽光発電システムの制御方法。
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PCT/JP2016/061583 WO2017175393A1 (ja) | 2016-04-08 | 2016-04-08 | 太陽光発電システム |
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KR102246282B1 (ko) * | 2020-10-27 | 2021-04-29 | 주식회사 한산에이엠에스텍크 | 휴대형 컨버터 효율 점검 장치 |
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KR102051208B1 (ko) * | 2018-02-23 | 2019-12-02 | 우석대학교 산학협력단 | 최대전력점 추종 제어를 위한 태양광 발전 시스템 |
US11182416B2 (en) | 2018-10-24 | 2021-11-23 | International Business Machines Corporation | Augmentation of a text representation model |
WO2020100225A1 (ja) * | 2018-11-14 | 2020-05-22 | 東芝三菱電機産業システム株式会社 | 電力変換装置 |
CN111697627B (zh) * | 2020-07-06 | 2022-05-24 | 阳光电源股份有限公司 | 光伏发电***的电流电压生成方法、装置以及存储介质 |
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US6111767A (en) * | 1998-06-22 | 2000-08-29 | Heliotronics, Inc. | Inverter integrated instrumentation having a current-voltage curve tracer |
FR2953997B1 (fr) * | 2009-12-11 | 2012-01-20 | Centre Nat Rech Scient | Systeme de gestion electronique de cellules photovoltaiques avec seuils adaptes |
US8975783B2 (en) * | 2010-01-20 | 2015-03-10 | Draker, Inc. | Dual-loop dynamic fast-tracking MPPT control method, device, and system |
JP5922438B2 (ja) * | 2011-12-27 | 2016-05-24 | 京セラ株式会社 | 太陽光発電システムおよびその制御方法ならびに電圧制御ユニット |
JP5596806B2 (ja) * | 2013-01-24 | 2014-09-24 | 大分デバイステクノロジー株式会社 | パワーコンディショナーチェッカー |
EP3026775B1 (en) | 2013-07-23 | 2019-02-13 | Toshiba Mitsubishi-Electric Industrial Systems Corporation | Control device for solar power generation inverter |
JP6370541B2 (ja) * | 2013-10-16 | 2018-08-08 | 株式会社スカイテクノロジー | 状態推定装置 |
JP2015089145A (ja) * | 2013-10-28 | 2015-05-07 | 株式会社ノーリツ | パワーコンディショナ |
CN103605891B (zh) | 2013-11-25 | 2016-09-21 | 国家电网公司 | 一种并网光伏逆变器户外运行综合效率的评价方法 |
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CN109075740A (zh) | 2018-12-21 |
US20190089300A1 (en) | 2019-03-21 |
WO2017175393A1 (ja) | 2017-10-12 |
JPWO2017175393A1 (ja) | 2019-02-14 |
US10454417B2 (en) | 2019-10-22 |
CN109075740B (zh) | 2020-07-07 |
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