JP7375911B2 - パワーコンディショナ - Google Patents
パワーコンディショナ Download PDFInfo
- Publication number
- JP7375911B2 JP7375911B2 JP2022505939A JP2022505939A JP7375911B2 JP 7375911 B2 JP7375911 B2 JP 7375911B2 JP 2022505939 A JP2022505939 A JP 2022505939A JP 2022505939 A JP2022505939 A JP 2022505939A JP 7375911 B2 JP7375911 B2 JP 7375911B2
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- Prior art keywords
- power
- bus
- storage battery
- frequency
- inverter
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- 239000003990 capacitor Substances 0.000 claims description 41
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical group [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 19
- 229910001416 lithium ion Inorganic materials 0.000 claims description 19
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims description 13
- 238000009499 grossing Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 11
- 238000007599 discharging Methods 0.000 description 9
- 238000010248 power generation Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 241001125929 Trisopterus luscus Species 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical compound [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-UHFFFAOYSA-N 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 239000007774 positive electrode material Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 2
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
-
- 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
-
- 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
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inverter Devices (AREA)
- Dc-Dc Converters (AREA)
Description
次に、本実施形態の作用を説明する。
以上記述したように、本実施の形態によれば、以下の効果を奏する。
上記実施形態は、以下の態様で実施してもよい。上記実施形態および以下の変更例は、技術的に矛盾しない範囲で互いに組み合わせて実施することができる。
11 太陽光パネル
12 パワーコンディショナ
13 系統電力線
14 商用電力系統
15 電気機器
21 昇圧チョッパ回路
22 インバータ
22a 第1電線
22b 第2電線
23 フィルタ
24 系統連系用リレー
25 蓄電池
25a バッテリ管理部
27 DC-DCコンバータ
28 整流器
29 制御部
31 直流バス
31a 第1電力線
31b 第2電力線
32 電線
32a 第1電線
32b 第2電線
34 内部バス
41 電圧センサ
42 電流センサ
51 CPU
52 メモリ
53 周辺回路
61 電力センサ
62,63 電流センサ
A41,A42 特性線
C21,Cx コンデンサ
D11 ダイオード
Ibat 電流
Idc 電流
Iout 交流電流
L11,L21,L22,Lx インダクタ素子
P21 出力電力
Pout 交流電力
S11,S21~S24 制御信号
T11,T21~T24 トランジスタ
Claims (4)
- 太陽光パネルの発電電力を変換して直流バスに出力する昇圧チョッパ回路と、
前記直流バスの電力を交流電力に変換し、電力系統に連系可能なインバータと、
前記直流バスに直接接続された蓄電池と、
前記昇圧チョッパ回路と前記インバータとを制御する制御部と、
を備え、
前記インバータの駆動によって前記直流バスに現れる、前記電力系統の商用周波数の2倍の周波数にて脈動する第1周波数成分の脈動電圧が前記蓄電池に印加され、
前記インバータは、複数のスイッチング素子を含み、
前記制御部は、前記インバータの前記スイッチング素子を、前記商用周波数よりも高い周波数の制御信号にてPWM制御し、
前記直流バスの電圧には、前記制御信号の周波数を基本波の周波数とした高調波成分を含む第2周波数成分の脈動電圧が重畳され、
前記蓄電池は、インダクタ素子を含む電線により前記直流バスに接続されており、
前記直流バスに接続され、前記第1周波数成分の脈動電圧を濾波することなく前記第2周波数成分の脈動電圧を濾波するコンデンサを備えた、
パワーコンディショナ。 - 前記蓄電池は、正極にリン酸鉄リチウムを用いたリチウムイオン二次電池である、請求項1に記載のパワーコンディショナ。
- 前記直流バスは、第1電力線と第2電力線とを備え、
前記昇圧チョッパ回路は、
前記太陽光パネルに第1端が接続されたインダクタ素子と、
前記インダクタ素子の第2端から前記第1電力線に向けて順方向に接続された整流素子と、
前記インダクタ素子と前記整流素子との間のノードと前記第2電力線との間に接続され、前記制御部によりオンオフ制御されるスイッチング素子と、
を備えた、請求項1又は請求項2に記載のパワーコンディショナ。 - 前記直流バスには、前記昇圧チョッパ回路の出力電力を平滑化する電解コンデンサは接続されていない、請求項1から請求項3のいずれか一項に記載のパワーコンディショナ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020043016 | 2020-03-12 | ||
JP2020043016 | 2020-03-12 | ||
PCT/JP2021/007868 WO2021182173A1 (ja) | 2020-03-12 | 2021-03-02 | パワーコンディショナ |
Publications (3)
Publication Number | Publication Date |
---|---|
JPWO2021182173A1 JPWO2021182173A1 (ja) | 2021-09-16 |
JPWO2021182173A5 JPWO2021182173A5 (ja) | 2022-07-22 |
JP7375911B2 true JP7375911B2 (ja) | 2023-11-08 |
Family
ID=77671465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022505939A Active JP7375911B2 (ja) | 2020-03-12 | 2021-03-02 | パワーコンディショナ |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP7375911B2 (ja) |
WO (1) | WO2021182173A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002218656A (ja) | 2001-01-23 | 2002-08-02 | Sharp Corp | 系統連系インバータ装置 |
JP2015163015A (ja) | 2014-02-28 | 2015-09-07 | 東芝Itコントロールシステム株式会社 | 分散電源の出力変動抑制システム |
JP2015177571A (ja) | 2014-03-13 | 2015-10-05 | ニチコン株式会社 | 蓄電池付きパワーコンディショナ |
JP2017220996A (ja) | 2016-06-06 | 2017-12-14 | 田淵電機株式会社 | パワーコンディショナー |
JP2019213366A (ja) | 2018-06-06 | 2019-12-12 | 住友電気工業株式会社 | 電力変換装置、太陽光発電システム、及び、電力変換装置の制御方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6005468B2 (ja) * | 2012-10-10 | 2016-10-12 | シャープ株式会社 | パワーコンディショナ、その制御方法、および直流給電システム |
JP2017011933A (ja) * | 2015-06-24 | 2017-01-12 | 株式会社ノーリツ | パワーコンディショナ |
-
2021
- 2021-03-02 JP JP2022505939A patent/JP7375911B2/ja active Active
- 2021-03-02 WO PCT/JP2021/007868 patent/WO2021182173A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002218656A (ja) | 2001-01-23 | 2002-08-02 | Sharp Corp | 系統連系インバータ装置 |
JP2015163015A (ja) | 2014-02-28 | 2015-09-07 | 東芝Itコントロールシステム株式会社 | 分散電源の出力変動抑制システム |
JP2015177571A (ja) | 2014-03-13 | 2015-10-05 | ニチコン株式会社 | 蓄電池付きパワーコンディショナ |
JP2017220996A (ja) | 2016-06-06 | 2017-12-14 | 田淵電機株式会社 | パワーコンディショナー |
JP2019213366A (ja) | 2018-06-06 | 2019-12-12 | 住友電気工業株式会社 | 電力変換装置、太陽光発電システム、及び、電力変換装置の制御方法 |
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Publication number | Publication date |
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JPWO2021182173A1 (ja) | 2021-09-16 |
WO2021182173A1 (ja) | 2021-09-16 |
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