JP6958749B2 - 電力変換システム - Google Patents
電力変換システム Download PDFInfo
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- JP6958749B2 JP6958749B2 JP2020559574A JP2020559574A JP6958749B2 JP 6958749 B2 JP6958749 B2 JP 6958749B2 JP 2020559574 A JP2020559574 A JP 2020559574A JP 2020559574 A JP2020559574 A JP 2020559574A JP 6958749 B2 JP6958749 B2 JP 6958749B2
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- Prior art keywords
- power
- switch
- power converter
- capacitor
- control device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000006243 chemical reaction Methods 0.000 title claims description 35
- 239000003990 capacitor Substances 0.000 claims description 50
- 238000010248 power generation Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 12
- 230000006870 function Effects 0.000 description 9
- 239000004065 semiconductor Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002265 prevention 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
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
-
- 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
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/4835—Converters with outputs that each can have more than two voltages levels comprising two or more cells, each including a switchable capacitor, the capacitors having a nominal charge voltage which corresponds to a given fraction of the input voltage, and the capacitors being selectively connected in series to determine the instantaneous output voltage
-
- 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
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/001—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off
- H02H9/002—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off limiting inrush current on switching on of inductive loads subjected to remanence, e.g. transformers
-
- 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
- H02M1/12—Arrangements for reducing harmonics from ac input or output
- H02M1/126—Arrangements for reducing harmonics from ac input or output using passive filters
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Dc-Dc Converters (AREA)
- Inverter Devices (AREA)
- Rectifiers (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充電開始モードを説明するための図である。図3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昇圧充電モード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による交流電圧同期モードを説明するための図である。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による待機モードを説明するための図である。図6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SVC運転モードを説明するための図である。
図7は実施の形態1における電力変換システムの直流コンデンサの充電電力を説明するための図である。
図8は実施の形態1における電力変換システムの昇圧充電モード中の制御を説明するための図である。
図9は実施の形態1における電力変換システムの交流電圧同期モード中の制御を説明するための図である。
図10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11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)
- 交流電源に接続された電力変換器と、
前記電力変換器の直流側に接続された直流コンデンサと、
前記電力変換器と前記交流電源との間に接続された第1交流スイッチと、
前記電力変換器と前記交流電源との間において、前記第1交流スイッチと並列に接続され、充電抵抗または充電リアクトルで形成された突入電流抑制体と、
前記電力変換器と前記交流電源との間において、前記第1交流スイッチと並列かつ前記突入電流抑制体と直列に接続された第2交流スイッチと、
前記電力変換器と前記交流電源との間において、前記第1交流スイッチと前記突入電流抑制体と前記第2交流スイッチと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、
前記第1交流スイッチが開いており、前記第2交流スイッチが閉じており、その後、前記直流コンデンサにかかる電圧が予め設定された電圧以上となるように前記電力変換器を制御し、その後、前記交流コンデンサにかかる電圧が前記交流電源の電圧に一致するように前記電力変換器を制御し、その後、前記第1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。 - 前記電力変換器の直流側には直流スイッチを介して直流電源が接続され、前記制御装置は、前記直流スイッチが開いており、前記直流コンデンサにかかる電圧が前記直流電源の電圧に一致するように前記電力変換器を制御し、その後、前記直流スイッチを閉じる請求項1に記載の電力変換システム。
- 前記電力変換器は、直流電源としての太陽光発電設備と前記交流電源との間に接続され、
前記制御装置は、前記第1交流スイッチが閉じている状態において、交流側の無効電力を補償するように前記電力変換器を制御する請求項1または請求項2に記載の電力変換システム。 - 前記電力変換器は、前記直流電源としての蓄電池と前記交流電源との間に接続され、
前記制御装置は、前記直流スイッチが開いており、前記第1交流スイッチが開いており、前記第2交流スイッチが閉じており、前記直流コンデンサにかかる電圧が前記蓄電池の充電電圧に一致するように前記電力変換器を制御し、その後、前記直流スイッチを閉じる請求項2に記載の電力変換システム。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2019/027928 WO2021009848A1 (ja) | 2019-07-16 | 2019-07-16 | 電力変換システム |
Publications (2)
Publication Number | Publication Date |
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JPWO2021009848A1 JPWO2021009848A1 (ja) | 2021-09-13 |
JP6958749B2 true JP6958749B2 (ja) | 2021-11-02 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2020559574A Active JP6958749B2 (ja) | 2019-07-16 | 2019-07-16 | 電力変換システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US11863063B2 (ja) |
EP (1) | EP4002671A4 (ja) |
JP (1) | JP6958749B2 (ja) |
CN (1) | CN112840550B (ja) |
WO (1) | WO2021009848A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
EP4287477A1 (de) * | 2022-06-01 | 2023-12-06 | AEG Power Solutions GmbH | Dreiphasen-gleichrichter mit transformator, gesteuerter sechspuls-brückenschaltung, zwischenkreiskondensator und vorladeschaltung |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH09205740A (ja) | 1996-01-24 | 1997-08-05 | Toshiba Corp | 無停電電源装置の起動方法 |
JP2004147465A (ja) | 2002-10-25 | 2004-05-20 | Canon Inc | 変換装置 |
JP2005333770A (ja) * | 2004-05-21 | 2005-12-02 | Sanyo Electric Co Ltd | 自動車用インバータ装置 |
DE102009025363B9 (de) * | 2009-06-18 | 2012-06-21 | Adensis Gmbh | Anfahrquelle Wechselrichter |
CN102545678B (zh) * | 2012-02-16 | 2014-07-09 | 朱建国 | 逆变器及其启机方法 |
JP5538658B2 (ja) * | 2012-05-24 | 2014-07-02 | 三菱電機株式会社 | 電力変換装置 |
DE102013102603B4 (de) | 2013-03-14 | 2017-02-09 | Sma Solar Technology Ag | Verfahren für einen Schwarzstart eines Kraftwerks mit mehreren einem Wechselstromnetz zuschaltbaren Wechselrichtern |
DE102013008586A1 (de) | 2013-05-17 | 2014-11-20 | Audi Ag | Vorladen eines Kraftfahrzeug-Hochvoltnetzes |
US9925933B2 (en) * | 2013-08-30 | 2018-03-27 | Ford Global Technologies, Llc | Pre-charge quick key cycling protection |
US9722458B2 (en) | 2013-10-15 | 2017-08-01 | Toshiba Mitsubishi-Electric Industrial Systems Corporation | Power conversion device and method of controlling the same |
FI125183B (en) | 2014-06-11 | 2015-06-30 | Abb Technology Oy | Method for charging capacitance coupled between DC terminals of three-phase active rectifier / inverter and converter device |
JP6243801B2 (ja) | 2014-06-12 | 2017-12-06 | 株式会社日立製作所 | 電力変換装置 |
CN104300777B (zh) | 2014-11-07 | 2017-06-23 | 深圳市永联科技股份有限公司 | 一种逆变器同步并网方法 |
DK3035514T3 (en) * | 2014-12-19 | 2018-09-03 | Siemens Ag | Pre-charging device of a converter |
WO2017125769A1 (en) * | 2016-01-18 | 2017-07-27 | University Of Split, Faculty Of Electrical Engineering, Mechanical Engineering And Naval Arichitecture | System for dc link precharging in active front end frequency converters |
CN108702100A (zh) * | 2016-04-21 | 2018-10-23 | 东芝三菱电机产业系统株式会社 | 不间断电源装置 |
WO2019077958A1 (ja) * | 2017-10-17 | 2019-04-25 | 株式会社村田製作所 | 電源装置、電力制御装置、電源装置のリレー判定方法 |
-
2019
- 2019-07-16 EP EP19937499.2A patent/EP4002671A4/en active Pending
- 2019-07-16 US US17/284,637 patent/US11863063B2/en active Active
- 2019-07-16 WO PCT/JP2019/027928 patent/WO2021009848A1/ja unknown
- 2019-07-16 CN CN201980067416.6A patent/CN112840550B/zh active Active
- 2019-07-16 JP JP2020559574A patent/JP6958749B2/ja active Active
Also Published As
Publication number | Publication date |
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CN112840550B (zh) | 2024-08-30 |
CN112840550A (zh) | 2021-05-25 |
US11863063B2 (en) | 2024-01-02 |
EP4002671A4 (en) | 2023-01-18 |
US20210399627A1 (en) | 2021-12-23 |
JPWO2021009848A1 (ja) | 2021-09-13 |
WO2021009848A1 (ja) | 2021-01-21 |
EP4002671A1 (en) | 2022-05-25 |
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