JP6508428B2 - 電源装置 - Google Patents
電源装置 Download PDFInfo
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- JP6508428B2 JP6508428B2 JP2018538373A JP2018538373A JP6508428B2 JP 6508428 B2 JP6508428 B2 JP 6508428B2 JP 2018538373 A JP2018538373 A JP 2018538373A JP 2018538373 A JP2018538373 A JP 2018538373A JP 6508428 B2 JP6508428 B2 JP 6508428B2
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- Prior art keywords
- converter
- phase
- power supply
- current
- power
- 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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- 238000001514 detection method Methods 0.000 claims description 44
- 230000018199 S phase Effects 0.000 description 24
- 238000010586 diagram Methods 0.000 description 12
- 229910001219 R-phase Inorganic materials 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
-
- 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
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc 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
- 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
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
-
- 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
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
- H02M7/08—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode arranged for operation in parallel
-
- 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
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc 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
- H02M7/217—Conversion of ac power input into dc 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
- H02M7/23—Conversion of ac power input into dc 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 arranged for operation in parallel
-
- 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
- H02M1/0048—Circuits or arrangements for reducing losses
-
- 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
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
-
- 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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
-
- 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
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc 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
- H02M7/217—Conversion of ac power input into dc 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
- H02M7/2173—Conversion of ac power input into dc 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 in a biphase or polyphase circuit arrangement
-
- 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
-
- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Rectifiers (AREA)
- Inverter Devices (AREA)
Description
100…制御部
100A、100B、100C…入力電流検出部
101、102、103…サーバラック
111、112、113…コンバータユニット
111A…AC−DCコンバータ
111A、111B、111C、111D、111E、111F…AC−DCコンバータ
121、122、123…負荷
131、132、133…負荷電流検出部
200…三相交流電源
Claims (7)
- 三相交流電源に対し並列接続され、前記三相交流電源からの交流電力を直流電力に変換し、それぞれ異なる負荷へ出力する複数のコンバータユニットと、
前記三相交流電源の第1相配線、第2相配線および第3相配線それぞれに流れる電流を検出する相電流検出手段と、
前記複数のコンバータユニットの負荷電流を検出する負荷電流検出手段と、
を備え、
前記複数のコンバータユニットそれぞれは、
前記第1相配線および前記第2相配線を入力とする第1AC−DCコンバータ、前記第1相配線および前記第3相配線を入力とする第2AC−DCコンバータ、および、前記第2相配線および前記第3相配線を入力とする第3AC−DCコンバータを有し、
前記第1AC−DCコンバータ、前記第2AC−DCコンバータおよび前記第3AC−DCコンバータは出力を共通として並列に接続され、
起動しているAC−DCコンバータそれぞれは出力電流の平衡を保つ機能を有し、
前記負荷電流検出手段の検出結果から、前記第1AC−DCコンバータ、前記第2AC−DCコンバータおよび前記第3AC−DCコンバータの駆動状態と停止状態とを切り替えるか否かを判定する判定部と、
前記判定部が切り替えると判定した場合、前記相電流検出手段の検出結果に基づいて、前記第1AC−DCコンバータ、前記第2AC−DCコンバータおよび前記第3AC−DCコンバータのうち、駆動および停止する対象を選択する選択部と、
前記選択部の選択結果に基づいて、前記第1AC−DCコンバータ、前記第2AC−DCコンバータおよび前記第3AC−DCコンバータの駆動状態と停止状態とを切り替える制御部と、
をさらに備える電源装置。 - 前記選択部は、
駆動状態のAC−DCコンバータを停止状態に切り替えると前記判定部が判定する場合、前記相電流検出手段が検出する電流値の差分が最も大きい2相に接続されるAC−DCコンバータを停止状態にする対象とする、
請求項1に記載の電源装置。 - 前記選択部は、
停止状態のAC−DCコンバータを駆動状態に切り替えると前記判定部が判定する場合、前記相電流検出手段が検出する電流値の差分が最も小さい2相に接続されるAC−DCコンバータを駆動状態にする対象とする、
請求項1または2に記載の電源装置。 - 前記判定部は、
前記三相交流電源の3相のうちいずれか2相の電流値の差分が閾値を超えるか否かに基づいて切替判定を行う、
請求項1から3のいずれかに記載の電源装置。 - 前記判定部は、
前記負荷電流検出手段の検出結果から、前記第1AC−DCコンバータ、前記第2AC−DCコンバータおよび前記第3AC−DCコンバータの少なくとも一つの負荷率を算出し、前記負荷率が第1所定値未満となると、駆動状態のAC−DCコンバータを停止状態に切り替え、前記負荷率が第2所定値超過となると、停止状態のAC−DCコンバータを駆動状態に切り替えると判定する、
請求項1から3のいずれかに記載の電源装置。 - 前記選択部は、切り替えるAC−DCコンバータの台数が最小となるように選択する、
請求項1から5のいずれかに記載の電源装置。 - 前記選択部は、累積稼働時間の最も長いAC−DCコンバータを選択する、
請求項1から6のいずれかに記載の電源装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016177247 | 2016-09-12 | ||
JP2016177247 | 2016-09-12 | ||
PCT/JP2017/031102 WO2018047691A1 (ja) | 2016-09-12 | 2017-08-30 | 電源装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6508428B2 true JP6508428B2 (ja) | 2019-05-08 |
JPWO2018047691A1 JPWO2018047691A1 (ja) | 2019-06-24 |
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Family Applications (1)
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JP2018538373A Active JP6508428B2 (ja) | 2016-09-12 | 2017-08-30 | 電源装置 |
Country Status (4)
Country | Link |
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US (1) | US10855198B2 (ja) |
JP (1) | JP6508428B2 (ja) |
CN (1) | CN109690932B (ja) |
WO (1) | WO2018047691A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20200081504A1 (en) * | 2018-09-12 | 2020-03-12 | Quanta Computer Inc. | Method and system for current sharing balance in three-phase input source system |
JP7332331B2 (ja) * | 2019-05-10 | 2023-08-23 | トヨタ自動車株式会社 | 給電装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002330588A (ja) * | 2001-05-01 | 2002-11-15 | Mitsubishi Electric Corp | コンバータ装置 |
JP2005223978A (ja) * | 2004-02-04 | 2005-08-18 | Fuji Electric Fa Components & Systems Co Ltd | モータ駆動装置 |
JP2006340435A (ja) * | 2005-05-31 | 2006-12-14 | Canon Inc | 画像形成装置 |
JP2006353048A (ja) * | 2005-06-20 | 2006-12-28 | Origin Electric Co Ltd | 電源装置 |
JP2011250594A (ja) * | 2010-05-27 | 2011-12-08 | Mitsubishi Electric Corp | 電源システム |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09149642A (ja) | 1995-11-21 | 1997-06-06 | Shindengen Electric Mfg Co Ltd | スイッチング電源 |
JP3545203B2 (ja) * | 1998-05-22 | 2004-07-21 | 三洋電機株式会社 | インバータの運転方法及び電源システム |
US8237423B2 (en) * | 2008-07-18 | 2012-08-07 | Intersil Americas Inc. | Active droop current sharing |
WO2011033820A1 (ja) * | 2009-09-16 | 2011-03-24 | 東芝三菱電機産業システム株式会社 | 電力変換システムおよび無停電電源システム |
CN102045925B (zh) * | 2010-11-02 | 2013-11-27 | 华南理工大学 | 一种led集中式直流供电系统及其运行方法 |
CN103296907B (zh) * | 2012-03-02 | 2015-05-06 | 台达电子企业管理(上海)有限公司 | 多重化逆变器及有源电力滤波系统 |
JP5875964B2 (ja) | 2012-10-15 | 2016-03-02 | 東京瓦斯株式会社 | 給電システムおよび給電方法 |
US9712080B2 (en) * | 2013-03-14 | 2017-07-18 | Astec International Limited | Reducing phase current imbalances in single phase redundant power supply systems with unbalanced loads |
US9774246B2 (en) * | 2013-10-11 | 2017-09-26 | University Of Tennessee Research Foundation | Three-phase current source rectifier for power supplies |
US20150145462A1 (en) * | 2013-11-25 | 2015-05-28 | Rockwell Automation Technologies, Inc. | Method and apparatus for current auto balancing for parallel converter systems |
KR101610469B1 (ko) * | 2014-05-15 | 2016-04-07 | 현대자동차주식회사 | 다상 인터리브 컨버터 및 이의 제어 방법 |
US10095254B2 (en) * | 2015-03-25 | 2018-10-09 | Cisco Technology, Inc. | Power distribution management |
-
2017
- 2017-08-30 WO PCT/JP2017/031102 patent/WO2018047691A1/ja active Application Filing
- 2017-08-30 CN CN201780055030.4A patent/CN109690932B/zh active Active
- 2017-08-30 JP JP2018538373A patent/JP6508428B2/ja active Active
-
2019
- 2019-03-06 US US16/293,727 patent/US10855198B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002330588A (ja) * | 2001-05-01 | 2002-11-15 | Mitsubishi Electric Corp | コンバータ装置 |
JP2005223978A (ja) * | 2004-02-04 | 2005-08-18 | Fuji Electric Fa Components & Systems Co Ltd | モータ駆動装置 |
JP2006340435A (ja) * | 2005-05-31 | 2006-12-14 | Canon Inc | 画像形成装置 |
JP2006353048A (ja) * | 2005-06-20 | 2006-12-28 | Origin Electric Co Ltd | 電源装置 |
JP2011250594A (ja) * | 2010-05-27 | 2011-12-08 | Mitsubishi Electric Corp | 電源システム |
Also Published As
Publication number | Publication date |
---|---|
WO2018047691A1 (ja) | 2018-03-15 |
US10855198B2 (en) | 2020-12-01 |
CN109690932B (zh) | 2020-03-13 |
CN109690932A (zh) | 2019-04-26 |
JPWO2018047691A1 (ja) | 2019-06-24 |
US20190199233A1 (en) | 2019-06-27 |
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