KR20210020121A - 전력 공급 시스템 - Google Patents
전력 공급 시스템 Download PDFInfo
- Publication number
- KR20210020121A KR20210020121A KR1020217001167A KR20217001167A KR20210020121A KR 20210020121 A KR20210020121 A KR 20210020121A KR 1020217001167 A KR1020217001167 A KR 1020217001167A KR 20217001167 A KR20217001167 A KR 20217001167A KR 20210020121 A KR20210020121 A KR 20210020121A
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- KR
- South Korea
- Prior art keywords
- voltage
- converter
- load
- circuit
- switching
- 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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Classifications
-
- 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
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
-
- 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
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
- H02J3/466—Scheduling the operation of the generators, e.g. connecting or disconnecting generators to meet a given demand
- H02J3/472—For selectively connecting the AC sources in a particular order, e.g. sequential, alternating or subsets of sources
-
- 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
- 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
- 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
-
- 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
- H02M7/493—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 the static converters being arranged for operation in parallel
-
- 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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Inverter Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
도 2는 실시형태에 근거하는 통상 시의 무정전 전원 시스템(1)의 전압 공급을 설명하는 도면이다.
도 3은 종래의 정전 시의 무정전 전원 시스템(1)의 전압 공급을 설명하는 도면이다.
도 4는 실시형태에 따르는 정전 시의 무정전 전원 시스템(1)의 전압 공급을 설명하는 도면이다.
도 5는 실시형태에 따르는 교류 출력 변환기(10)의 컨트롤러(4)의 정전 시의 동작에 대하여 설명하는 흐름도이다.
2 : 제어 전원 회로
3 : 외부 교류 전원
4 : 컨트롤러
5 : 컨버터
6 : 축전지
7 : 인버터
8, 9 : 전환 회로
10 : 교류 출력 변환기
20 : 부하
Claims (3)
- 교류 부하에 전력을 공급하는 병렬 접속한 복수의 교류 출력 변환기를 구비하고,
각 상기 교류 출력 변환기는,
외부 교류 전압을 직류 전압으로 변환하는 교류 직류 변환기와,
상기 직류 전압을 교류 전압으로 변환하여 상기 교류 부하에 공급하는 직류 교류 변환기와,
상기 직류 교류 변환기와 병렬로 접속되고, 상기 직류 전압을 축전하는 2차 전지와,
상기 교류 부하와 상기 직류 교류 변환기의 사이에 마련된 제 1 전환 회로와,
상기 직류 교류 변환기로부터 공급하는 상기 교류 전압 대신에, 상기 외부 교류 전압을 직접적으로 상기 교류 부하에 공급하기 위한 바이패스 경로와,
상기 교류 부하와 상기 바이패스 경로의 사이에 마련된 제 2 전환 회로와,
정전 시 및 전력 복구 시에 상기 제 1 및 제 2 전환 회로를 제어하는 전환 제어 회로와,
상기 외부 교류 전압 및 상기 교류 전압의 공급을 받아서 상기 전환 제어 회로의 제어 전압을 생성하기 위한 제어 전원 회로를 포함하고,
상기 전환 제어 회로는,
상기 외부 교류 전압의 정전 시에 상기 2차 전지로부터 상기 교류 부하로의 전압 공급의 저하를 검지한 경우에, 상기 제 1 전환 회로를 오프로 하고,
상기 외부 교류 전압의 정전 시에 상기 복수의 교류 출력 변환기로부터 상기 교류 부하로의 전압의 공급이 모두 정지한 것을 검지한 경우에, 상기 제 2 전환 회로를 온으로 하고,
상기 제어 전원 회로는, 상기 외부 교류 전압의 정전 시에 상기 제 1 전환 회로가 오프가 된 후, 상기 2차 전지로부터의 직류 전압의 공급을 받아서 상기 직류 교류 변환기에 의해 변환되는 상기 교류 전압에 따라서 상기 제어 전압의 생성을 계속하는
전력 공급 시스템.
- 제 1 항에 있어서,
상기 전환 제어 회로는, 통상 시에는 상기 제 1 전환 회로를 온으로 하고, 상기 제 2 전환 회로를 오프로 하고 있는 전력 공급 시스템.
- 제 1 항에 있어서,
각 상기 교류 출력 변환기의 전환 제어 회로는, 다른 상기 교류 출력 변환기의 전환 제어 회로와 접속되고, 상기 다른 상기 교류 출력 변환기로부터 상기 교류 부하로의 전압의 정지 신호의 입력을 받는 전력 공급 시스템.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2018/042992 WO2020105141A1 (ja) | 2018-11-21 | 2018-11-21 | 電力供給システム |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20210020121A true KR20210020121A (ko) | 2021-02-23 |
KR102566563B1 KR102566563B1 (ko) | 2023-08-11 |
Family
ID=70773363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020217001167A Active KR102566563B1 (ko) | 2018-11-21 | 2018-11-21 | 전력 공급 시스템 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20210210978A1 (ko) |
JP (1) | JP6886040B2 (ko) |
KR (1) | KR102566563B1 (ko) |
WO (1) | WO2020105141A1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7455737B2 (ja) | 2020-12-03 | 2024-03-26 | 東芝三菱電機産業システム株式会社 | 電力供給システムおよび電力供給システムの制御方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0511751U (ja) * | 1991-07-23 | 1993-02-12 | 東洋電機製造株式会社 | 無停電電源装置の制御電源回路 |
JP2002010527A (ja) * | 2000-06-27 | 2002-01-11 | Mitsubishi Electric Corp | 無停電電源装置の並列運転システム |
US20070210652A1 (en) * | 2006-03-10 | 2007-09-13 | Eaton Power Quality Corporation | Nested Redundant Uninterruptible Power Supply Apparatus and Methods |
JP2008283788A (ja) * | 2007-05-10 | 2008-11-20 | Toshiba Mitsubishi-Electric Industrial System Corp | 無停電電源装置の制御電源回路 |
KR20120038004A (ko) * | 2009-09-16 | 2012-04-20 | 도시바 미쓰비시덴키 산교시스템 가부시키가이샤 | 전력 변환 시스템 및 무정전 전원 시스템 |
JP2015180136A (ja) * | 2014-03-19 | 2015-10-08 | 東芝三菱電機産業システム株式会社 | 無停電電源システム |
JP2017050933A (ja) | 2015-08-31 | 2017-03-09 | 東芝三菱電機産業システム株式会社 | 無停電電源システム |
WO2018154948A1 (ja) * | 2017-02-21 | 2018-08-30 | 富士電機株式会社 | 無停電電源システムおよび無停電電源装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02280640A (ja) * | 1989-04-20 | 1990-11-16 | Toshiba Corp | 無停電電源装置の制御電源回路 |
KR100698231B1 (ko) * | 1998-10-12 | 2007-03-21 | 산요 덴키 가부시키가이샤 | 무정전 전원장치 |
JP2007020263A (ja) * | 2005-07-06 | 2007-01-25 | Toshiba Mitsubishi-Electric Industrial System Corp | 無停電電源装置およびその運転方法 |
JP4519077B2 (ja) * | 2006-01-24 | 2010-08-04 | 日本電信電話株式会社 | 電源システムならびに電源システム制御のためのプログラムおよびそれを記録した記録媒体 |
JP4406655B2 (ja) * | 2007-06-28 | 2010-02-03 | 日本電信電話株式会社 | 電源システム |
JP2009044923A (ja) * | 2007-08-10 | 2009-02-26 | Origin Electric Co Ltd | 電源システム |
JP2009100502A (ja) * | 2007-10-15 | 2009-05-07 | Nippon Telegr & Teleph Corp <Ntt> | 電源切替装置およびこれを用いた電源システム |
SG11201705208UA (en) * | 2015-03-11 | 2017-09-28 | Mitsubishi Electric Corp | Power supply device |
-
2018
- 2018-11-21 JP JP2019552926A patent/JP6886040B2/ja active Active
- 2018-11-21 WO PCT/JP2018/042992 patent/WO2020105141A1/ja active Application Filing
- 2018-11-21 US US17/056,920 patent/US20210210978A1/en not_active Abandoned
- 2018-11-21 KR KR1020217001167A patent/KR102566563B1/ko active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0511751U (ja) * | 1991-07-23 | 1993-02-12 | 東洋電機製造株式会社 | 無停電電源装置の制御電源回路 |
JP2002010527A (ja) * | 2000-06-27 | 2002-01-11 | Mitsubishi Electric Corp | 無停電電源装置の並列運転システム |
US20070210652A1 (en) * | 2006-03-10 | 2007-09-13 | Eaton Power Quality Corporation | Nested Redundant Uninterruptible Power Supply Apparatus and Methods |
JP2008283788A (ja) * | 2007-05-10 | 2008-11-20 | Toshiba Mitsubishi-Electric Industrial System Corp | 無停電電源装置の制御電源回路 |
KR20120038004A (ko) * | 2009-09-16 | 2012-04-20 | 도시바 미쓰비시덴키 산교시스템 가부시키가이샤 | 전력 변환 시스템 및 무정전 전원 시스템 |
JP2015180136A (ja) * | 2014-03-19 | 2015-10-08 | 東芝三菱電機産業システム株式会社 | 無停電電源システム |
JP2017050933A (ja) | 2015-08-31 | 2017-03-09 | 東芝三菱電機産業システム株式会社 | 無停電電源システム |
WO2018154948A1 (ja) * | 2017-02-21 | 2018-08-30 | 富士電機株式会社 | 無停電電源システムおよび無停電電源装置 |
Also Published As
Publication number | Publication date |
---|---|
US20210210978A1 (en) | 2021-07-08 |
WO2020105141A1 (ja) | 2020-05-28 |
JP6886040B2 (ja) | 2021-06-16 |
KR102566563B1 (ko) | 2023-08-11 |
JPWO2020105141A1 (ja) | 2021-02-15 |
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PG1601 | Publication of registration |