JP6334058B2 - 電力供給機器の制御方法、電力供給機器及び電力供給システム - Google Patents
電力供給機器の制御方法、電力供給機器及び電力供給システム Download PDFInfo
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- JP6334058B2 JP6334058B2 JP2017509287A JP2017509287A JP6334058B2 JP 6334058 B2 JP6334058 B2 JP 6334058B2 JP 2017509287 A JP2017509287 A JP 2017509287A JP 2017509287 A JP2017509287 A JP 2017509287A JP 6334058 B2 JP6334058 B2 JP 6334058B2
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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
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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
- 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
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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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
- 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
-
- 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
- H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
- H02M7/68—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters
-
- 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
-
- 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)
- Electromagnetism (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Direct Current Feeding And Distribution (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Description
本発明の第1実施形態に係る電力供給システム1は、図1に示すように、電力供給機器10と、分散電源として、蓄電池20及び太陽電池30とを備える。本実施形態においては、電力供給機器10に、蓄電池20と、太陽電池30とがそれぞれ1つずつ通電可能に接続されている構成を例に挙げて説明するが、これはあくまでも一例である。これらの分散電源の個数は、それぞれ任意の個数とすることができる。
本発明の第2実施形態に係る電力供給システム1’は、図3に示すように、電力供給機器10’と、蓄電池20と、太陽電池30とを備える。ここで、蓄電池20及び太陽電池30は第1実施形態の電力供給システム1に係るものと同一であるので、説明を省略する。
10,10’ 電力供給機器
11 DC/DCコンバータ
12 第1コンデンサ
13 第1リレー
14 第2リレー
15 抵抗
16 第2コンデンサ
17 双方向DC/DCコンバータ
18 インバータ
19 制御部
20 蓄電池
30 太陽電池
41,42,43 電圧測定器
50 系統
100 電力供給機器
171 DCリアクトル
172,173 スイッチ
Claims (6)
- 太陽電池及び蓄電池側の直流電力を交流電力に変換し、
前記太陽電池及び前記蓄電池の間に設けられる第1コンデンサと、
前記蓄電池及び前記第1コンデンサの間に設けられる第2コンデンサと、
前記太陽電池または系統からの電力により、前記第1コンデンサ及び前記第2コンデンサを充電し、前記第2コンデンサの第3電圧が前記蓄電池の第2電圧と等しくなったとき、前記蓄電池を前記第1コンデンサ及び前記第2コンデンサに通電させる制御部とを備える
電力供給機器。 - 前記第2コンデンサ及び前記蓄電池の間に設けられ、前記第1コンデンサ及び前記第2コンデンサと前記蓄電池との間の電路を開閉する第1リレーをさらに備え、
前記制御部は、
前記第2コンデンサの第3電圧が前記蓄電池の第2電圧と等しくなったとき、前記第1リレーを開状態から閉状態に制御する、請求項1に記載の電力供給機器。 - 前記第1リレーに並列接続され、かつ、前記蓄電池と前記第2コンデンサとの間に設けられ、互いに直列に接続された第2リレーと突入電流を低減する抵抗とをさらに備え、
前記制御部は、
前記第2リレーを開状態から閉状態にし、所定時間経過後、前記第1リレーを開状態から閉状態に制御する、請求項2に記載の電力供給機器。 - 前記第1コンデンサ及び前記第2コンデンサの間に設けられ、前記蓄電池側から入力される直流電圧を昇圧して前記太陽電池側に出力し、前記太陽電池側から入力される直流電圧を降圧して前記蓄電池側に出力する双方向DC/DCコンバータをさらに備える、請求項1から3のいずれか一項に記載の電力供給機器。
- 太陽電池及び蓄電池側の直流電力を交流電力に変換する電力供給機器と、蓄電池と、太陽電池とを備え、
前記電力供給機器は、
前記太陽電池及び前記蓄電池の間に設けられる第1コンデンサと、
前記蓄電池及び前記第1コンデンサの間に設けられる第2コンデンサと、
前記太陽電池または系統からの電力により、前記第1コンデンサ及び前記第2コンデンサを充電し、前記第2コンデンサの第3電圧が前記蓄電池の第2電圧と等しくなったとき、前記蓄電池を前記第1コンデンサ及び前記第2コンデンサに通電させる制御部とを備える
電力供給システム。 - 太陽電池及び蓄電池の間に設けられる第1コンデンサと、前記蓄電池及び前記第1コンデンサの間に設けられる第2コンデンサと、を有し、前記太陽電池及び前記蓄電池側の直流電力を交流電力に変換する電力供給機器の制御方法であって、
前記太陽電池または系統からの電力により、前記第1コンデンサ及び前記第2コンデンサを充電し、
前記第2コンデンサの第3電圧が前記蓄電池の第2電圧と等しくなったとき、前記蓄電池を前記第1コンデンサ及び前記第2コンデンサに通電する
電力供給機器の制御方法。
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JP2015067521 | 2015-03-27 | ||
JP2015067521 | 2015-03-27 | ||
PCT/JP2016/001769 WO2016157874A1 (ja) | 2015-03-27 | 2016-03-25 | 電力供給機器の制御方法、電力供給機器及び電力供給システム |
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KR20200031413A (ko) * | 2018-09-14 | 2020-03-24 | 엘지이노텍 주식회사 | 태양광 연계 에너지 저장 시스템용 dc-dc 컨버터 및 그 제어방법 |
US10992139B1 (en) * | 2018-09-20 | 2021-04-27 | Farid Dibachi | Electrical power system |
CN112955345B (zh) * | 2018-11-05 | 2021-12-21 | 日产自动车株式会社 | 电力转换装置的控制方法及电力转换装置 |
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CN113983650B (zh) * | 2021-11-15 | 2023-05-05 | 海信(广东)空调有限公司 | 空调器的低功耗控制方法、装置、空调室外机及空调器 |
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