JP6886076B2 - 電力変換装置 - Google Patents
電力変換装置 Download PDFInfo
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- JP6886076B2 JP6886076B2 JP2020508123A JP2020508123A JP6886076B2 JP 6886076 B2 JP6886076 B2 JP 6886076B2 JP 2020508123 A JP2020508123 A JP 2020508123A JP 2020508123 A JP2020508123 A JP 2020508123A JP 6886076 B2 JP6886076 B2 JP 6886076B2
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- 238000006243 chemical reaction Methods 0.000 claims 8
- 238000001514 detection method Methods 0.000 claims 3
- 230000002457 bidirectional effect Effects 0.000 description 43
- 238000010586 diagram Methods 0.000 description 18
- 239000003990 capacitor Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 239000000758 substrate Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
-
- 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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M5/4585—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only having a rectifier with controlled 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
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
-
- 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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inverter Devices (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Direct Current Feeding And Distribution (AREA)
- Amplifiers (AREA)
- Control Of Eletrric Generators (AREA)
Description
図1は、この発明の実施の形態1による無停電電源装置の構成を示すブロック図である。図1において、この無停電電源装置は、入力端子T1、バッテリ端子T2、出力端子T3、電流検出器CD1〜CD3、コンバータ1、直流ライン2、コンデンサ3、双方向チョッパ4、インバータ5、冷却器6,7、および制御装置8を備える。
図9は、この発明の実施の形態2による無停電電源装置の構成を示すブロック図であって、図1と対比される図である。図9を参照して、この無停電電源装置が図1の無停電電源装置と異なる点は、入力端子T1が直流電源61に接続され、コンバータ1がDC−DC変換器62で置換され、制御装置8が制御装置8Aで置換されている点である。
図10は、この発明の実施の形態3による無停電電源装置の構成を示すブロック図であって、図1と対比される図である。図10を参照して、この無停電電源装置が図1の無停電電源装置と異なる点は、バッテリ端子T2、双方向チョッパ4、および制御装置8がそれぞれ交流端子T4、コンバータ71、および制御装置8Bで置換され、交流端子T4が交流発電機72に接続されている点である。
Claims (8)
- 第1の電源から供給される第1の電力を直流電力に変換する第1の電力変換器と、
第2の電源から供給される第2の電力を直流電力に変換する第2の電力変換器と、
前記第1および第2の電力変換器のうちの少なくともいずれか一方から供給される直流電力を交流電力に変換して負荷に供給する第3の電力変換器と、
前記第1および第3の電力変換器に共通に設けられ、それらで発生する熱を放散させる冷却器と、
前記第3の電力変換器の出力電力が上限値よりも小さい場合は、前記第1の電力変換器のみから前記第3の電力変換器に直流電力を供給させ、前記第3の電力変換器の出力電力が前記上限値を超えたことに応じて、前記第1および第2の電力変換器の両方から前記第3の電力変換器に直流電力を供給させ、前記第1および第2の電力変換器の入力電力の和を前記第3の電力変換器の出力電力に維持しながら、前記第1の電力変換器の入力電力を減少させるとともに前記第2の電力変換器の入力電力を増大させる制御装置とを備える、電力変換装置。 - 前記第1の電力変換器、前記第3の電力変換器、および前記冷却器は一体のユニットを構成している、請求項1に記載の電力変換装置。
- 前記制御装置は、前記第3の電力変換器の出力電力が前記上限値を超えたことに応じて、前記第3の電力変換器の出力電力と前記上限値との差の電力だけ前記第1の電力変換器の入力電力を減少させるとともに、前記差の電力の2倍の電力だけ前記第2の電力変換器の入力電力を増大させる、請求項1に記載の電力変換装置。
- 前記第1および第2の電力変換器から前記第3の電力変換器に直流電力を供給するための直流ラインと、
前記第1の電力変換器の入力電流を検出する第1の電流検出器と、
前記第2の電力変換器の入力電流を検出する第2の電流検出器と、
前記第3の電力変換器の出力電流を検出する第3の電流検出器とを備え、
前記制御装置は、
前記負荷の入力電圧が参照交流電圧になるように第1の電流指令値を生成し、前記第3の電流検出器の検出値が前記第1の電流指令値になるように前記第3の電力変換器を制御する第1の制御回路と、
前記直流ラインの電圧が参照直流電圧になるように第2の電流指令値を生成し、前記第1および第2の電流指令値の和が予め定められた値を超えないように前記第2の電流指令値を制限して第3の電流指令値を生成し、前記第1の電流検出器の検出値が前記第3の電流指令値になるように前記第1の電力変換器を制御する第2の制御回路と、
前記直流ラインの電圧が前記参照直流電圧になるように第4の電流指令値を生成し、前記第2の電流検出器の検出値が前記第4の電流指令値になるように前記第2の電力変換器を制御する第3の制御回路とを含み、
前記第1および第2の電流指令値の和が前記予め定められた値である場合に、前記第1の電力変換器の入力電力と前記第3の電力変換器の出力電力との和が前記上限値の2倍の電力になるように、前記予め定められた値が設定されている、請求項3に記載の電力変換装置。 - 前記制御装置は、前記第1の電力変換器からの前記第1の電力の供給が停止された場合には、前記第2の電力変換器のみから前記第3の電力変換器に直流電力を供給させる、請求項1に記載の電力変換装置。
- 前記第1および第2の電源はそれぞれ交流電源および直流電源であり、
前記第1および第2の電力はそれぞれ交流電力および直流電力である、請求項1に記載の電力変換装置。 - 前記第1および第2の電源はそれぞれ第1および第2の直流電源であり、
前記第1および第2の電力はともに直流電力である、請求項1に記載の電力変換装置。 - 前記第1および第2の電源はそれぞれ第1および第2の交流電源であり、
前記第1および第2の電力はともに交流電力である、請求項1に記載の電力変換装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2018/010813 WO2019180784A1 (ja) | 2018-03-19 | 2018-03-19 | 電力変換装置 |
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JPWO2019180784A1 JPWO2019180784A1 (ja) | 2020-09-03 |
JP6886076B2 true JP6886076B2 (ja) | 2021-06-16 |
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Country Status (6)
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US (1) | US11133678B2 (ja) |
EP (1) | EP3771069A4 (ja) |
JP (1) | JP6886076B2 (ja) |
KR (1) | KR102441119B1 (ja) |
CN (1) | CN111869042B (ja) |
WO (1) | WO2019180784A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021125916A (ja) * | 2020-02-03 | 2021-08-30 | 東芝三菱電機産業システム株式会社 | 無停電電源装置 |
JP7278996B2 (ja) * | 2020-07-07 | 2023-05-22 | 東芝三菱電機産業システム株式会社 | 電力変換装置 |
US11418033B2 (en) * | 2020-10-21 | 2022-08-16 | Schneider Electric It Corporation | Method to overcome electrical circuit voltage and current limitations |
JP7510850B2 (ja) * | 2020-11-05 | 2024-07-04 | 株式会社日立製作所 | Dcグリッドシステム、制御装置、制御方法 |
US11569681B2 (en) * | 2020-12-04 | 2023-01-31 | Infineon Technologies Austria Ag | Bidirectional battery charge-discharge control |
KR20220106502A (ko) * | 2021-01-22 | 2022-07-29 | 엘에스일렉트릭(주) | 무정전 전원 공급 모듈 |
JP7218453B1 (ja) * | 2021-06-16 | 2023-02-06 | 東芝三菱電機産業システム株式会社 | 無停電電源装置 |
WO2024003991A1 (ja) * | 2022-06-27 | 2024-01-04 | 東芝三菱電機産業システム株式会社 | 無停電電源装置 |
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JP3314256B2 (ja) * | 1994-07-20 | 2002-08-12 | 株式会社日立製作所 | 電気車の電力変換装置 |
JP3606780B2 (ja) | 1999-12-24 | 2005-01-05 | 東芝三菱電機産業システム株式会社 | 無停電電源装置 |
JP3892812B2 (ja) * | 2001-02-01 | 2007-03-14 | 日立マクセル株式会社 | 電源装置 |
JP2003052134A (ja) * | 2001-08-07 | 2003-02-21 | Mitsubishi Electric Corp | 無停電電源装置の制御方法およびこの方法を用いた無停電電源装置 |
JPWO2009040933A1 (ja) * | 2007-09-28 | 2011-01-13 | 三菱電機株式会社 | 電力変換装置 |
CN102356533A (zh) * | 2009-03-18 | 2012-02-15 | 东芝三菱电机产业系统株式会社 | 不间断供电电源装置 |
US9093861B2 (en) * | 2009-09-16 | 2015-07-28 | Toshiba Mitsubishi-Electric Industrial Systems Corporation | Power conversion system and uninterruptible power supply system |
JP5899778B2 (ja) * | 2011-10-07 | 2016-04-06 | 富士電機株式会社 | 鉄道車両用電力変換装置 |
JP2014239576A (ja) * | 2013-06-06 | 2014-12-18 | 株式会社東芝 | 電力変換装置 |
JP2015109781A (ja) * | 2013-12-06 | 2015-06-11 | 株式会社明電舎 | 系統連系電力変換装置 |
KR101476099B1 (ko) * | 2014-04-25 | 2014-12-24 | 한국수자원공사 | 3레벨 전력변환기를 이용한 하이브리드 무변압기형 무정전 전원장치 |
KR101644810B1 (ko) * | 2014-06-27 | 2016-08-03 | 한국에너지기술연구원 | 마이크로그리드 시스템, 그 제어장치 및 제어방법 |
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2018
- 2018-03-19 EP EP18910257.7A patent/EP3771069A4/en active Pending
- 2018-03-19 US US16/981,876 patent/US11133678B2/en active Active
- 2018-03-19 JP JP2020508123A patent/JP6886076B2/ja active Active
- 2018-03-19 CN CN201880091391.9A patent/CN111869042B/zh active Active
- 2018-03-19 KR KR1020207029399A patent/KR102441119B1/ko active IP Right Grant
- 2018-03-19 WO PCT/JP2018/010813 patent/WO2019180784A1/ja unknown
Also Published As
Publication number | Publication date |
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US11133678B2 (en) | 2021-09-28 |
EP3771069A4 (en) | 2022-01-12 |
WO2019180784A1 (ja) | 2019-09-26 |
CN111869042B (zh) | 2022-08-02 |
JPWO2019180784A1 (ja) | 2020-09-03 |
KR102441119B1 (ko) | 2022-09-06 |
EP3771069A1 (en) | 2021-01-27 |
US20210098991A1 (en) | 2021-04-01 |
CN111869042A (zh) | 2020-10-30 |
KR20200130425A (ko) | 2020-11-18 |
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