JP7107442B2 - 電力変換システム - Google Patents
電力変換システム Download PDFInfo
- Publication number
- JP7107442B2 JP7107442B2 JP2021534432A JP2021534432A JP7107442B2 JP 7107442 B2 JP7107442 B2 JP 7107442B2 JP 2021534432 A JP2021534432 A JP 2021534432A JP 2021534432 A JP2021534432 A JP 2021534432A JP 7107442 B2 JP7107442 B2 JP 7107442B2
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- Prior art keywords
- voltage
- power converter
- power
- power supply
- capacitor
- Prior art date
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- 238000006243 chemical reaction Methods 0.000 title claims description 24
- 239000003990 capacitor Substances 0.000 claims description 29
- 238000013459 approach Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 9
- 230000006870 function Effects 0.000 description 9
- 239000013598 vector Substances 0.000 description 9
- 230000002123 temporal effect Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H02M1/36—Means for starting or stopping 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/34—Arrangements for transfer of electric power between networks of substantially different frequency
-
- 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
- H02M1/0025—Arrangements for modifying reference values, feedback values or error values in the control loop of a converter
-
- 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
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/081—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters wherein the phase of the control voltage is adjustable with reference to the AC source
-
- 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
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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
- 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
-
- 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
- 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
- H02J3/40—Synchronising a generator for connection to a network or to another generator
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Description
図1は実施の形態1における電力変換システムが適用されるシステムの構成図である。
図2は実施の形態1における電力変換システムの制御装置による電圧指令値の制御を説明するための図である。
図3と図6とは実施の形態1における電力変換システムで用いられる係数を説明するための図である。
図4は実施の形態1における電力変換システムの制御装置の動作の概要を説明するためのフローチャートである。
図5は実施の形態1における電力変換システムの制御装置のハードウェア構成図である。
Claims (4)
- 直流電源と交流電源との間に接続された電力変換器と、
前記電力変換器と前記交流電源との間に接続された交流スイッチと、
前記電力変換器の出力側において、前記交流スイッチよりも前記電力変換器の側に接続された交流コンデンサと、
前記交流スイッチが開いている状態において、前記交流コンデンサに残存している電荷による電圧を認識し、前記電力変換器の出力電圧が、前記交流コンデンサの電圧から前記交流電源の電圧に、徐々に、または段階的に近づくように前記電力変換器を制御し、その後、前記交流スイッチを閉じる制御装置と、
を備えた電力変換システム。 - 前記制御装置は、前記電力変換器の出力電圧が前記交流コンデンサの電圧から前記交流電源の電圧に徐々に近づくように前記電力変換器を制御する際に、前記交流電源へ流れる電流が前記電力変換器の瞬時定格電流以下となるように前記電力変換器の出力電圧の時間的変化率を設定された請求項1に記載の電力変換システム。
- 前記制御装置は、前記電力変換器の出力電圧が前記交流コンデンサの電圧から前記交流電源の電圧に段階的に近づくように前記電力変換器を制御する際に、前記交流電源へ流れる電流が前記電力変換器の瞬時定格電流以下となるように前記電力変換器の出力電圧の変化幅を設定された請求項1に記載の電力変換システム。
- 前記制御装置は、前記交流電源の電圧の位相に固定した座標系における、前記交流コンデンサの電圧と前記交流電源の電圧を演算し、前記座標系における前記電力変換器の出力電圧が、前記座標系における交流コンデンサ電圧から、前記座標系における交流電源の電圧に、徐々に、または段階的に近づくように、前記電力変換器を制御する請求項1から請求項3のいずれか一項に記載の電力変換システム。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2019/028683 WO2021014540A1 (ja) | 2019-07-22 | 2019-07-22 | 電力変換システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2021014540A1 JPWO2021014540A1 (ja) | 2021-12-23 |
JP7107442B2 true JP7107442B2 (ja) | 2022-07-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021534432A Active JP7107442B2 (ja) | 2019-07-22 | 2019-07-22 | 電力変換システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US11489341B2 (ja) |
EP (1) | EP4007150A4 (ja) |
JP (1) | JP7107442B2 (ja) |
CN (1) | CN113228489B (ja) |
WO (1) | WO2021014540A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112510762B (zh) * | 2021-02-03 | 2021-05-04 | 浙江艾罗网络能源技术股份有限公司 | 一种并网逆变器的继电器吸合控制方法及控制装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4217822B2 (ja) | 2002-06-21 | 2009-02-04 | サン電子株式会社 | 遊技機情報収集装置 |
JP2014117086A (ja) | 2012-12-11 | 2014-06-26 | Diamond Electric Mfg Co Ltd | 系統連系システム |
JP2017212838A (ja) | 2016-05-27 | 2017-11-30 | 田淵電機株式会社 | 自立運転機能を有する系統連系用電力変換装置、及びその起動制御方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2679411B2 (ja) | 1990-12-19 | 1997-11-19 | 三菱電機株式会社 | 交流出力変換器の並列運転制御装置 |
JP2783771B2 (ja) | 1995-07-13 | 1998-08-06 | 株式会社東芝 | 系統連系インバータ装置の起動運転方法 |
JP5260092B2 (ja) * | 2008-03-10 | 2013-08-14 | 株式会社日立製作所 | 電力変換装置及び発電変換システム |
US8823303B2 (en) * | 2008-12-01 | 2014-09-02 | Mitsubishi Electric Corporation | Alternating-current direct-current converter and electric motor driver |
JP2013165624A (ja) * | 2012-02-13 | 2013-08-22 | Panasonic Corp | 蓄電装置用パワーコンディショナ、蓄電装置 |
JP6105788B1 (ja) * | 2016-05-27 | 2017-03-29 | 田淵電機株式会社 | 系統連系用電力変換装置、及びその起動制御方法 |
-
2019
- 2019-07-22 WO PCT/JP2019/028683 patent/WO2021014540A1/ja unknown
- 2019-07-22 US US17/416,875 patent/US11489341B2/en active Active
- 2019-07-22 JP JP2021534432A patent/JP7107442B2/ja active Active
- 2019-07-22 EP EP19938115.3A patent/EP4007150A4/en active Pending
- 2019-07-22 CN CN201980085539.2A patent/CN113228489B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4217822B2 (ja) | 2002-06-21 | 2009-02-04 | サン電子株式会社 | 遊技機情報収集装置 |
JP2014117086A (ja) | 2012-12-11 | 2014-06-26 | Diamond Electric Mfg Co Ltd | 系統連系システム |
JP2017212838A (ja) | 2016-05-27 | 2017-11-30 | 田淵電機株式会社 | 自立運転機能を有する系統連系用電力変換装置、及びその起動制御方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2021014540A1 (ja) | 2021-01-28 |
JPWO2021014540A1 (ja) | 2021-12-23 |
CN113228489B (zh) | 2024-10-18 |
US20220045519A1 (en) | 2022-02-10 |
EP4007150A4 (en) | 2023-02-08 |
CN113228489A (zh) | 2021-08-06 |
EP4007150A1 (en) | 2022-06-01 |
US11489341B2 (en) | 2022-11-01 |
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