JP4418197B2 - 過電圧保護回路とこれを利用する電源、電源システム及び電子装置 - Google Patents
過電圧保護回路とこれを利用する電源、電源システム及び電子装置 Download PDFInfo
- Publication number
- JP4418197B2 JP4418197B2 JP2003314898A JP2003314898A JP4418197B2 JP 4418197 B2 JP4418197 B2 JP 4418197B2 JP 2003314898 A JP2003314898 A JP 2003314898A JP 2003314898 A JP2003314898 A JP 2003314898A JP 4418197 B2 JP4418197 B2 JP 4418197B2
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- circuit
- output
- supply system
- overvoltage
- 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.)
- Expired - Fee Related
Links
Images
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
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
-
- 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
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
- H02H3/207—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage also responsive to under-voltage
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Direct Current Feeding And Distribution (AREA)
- Control Of Voltage And Current In General (AREA)
- Emergency Protection Circuit Devices (AREA)
- Dc-Dc Converters (AREA)
Description
Claims (8)
- 出力電圧が安定化制御されたパワー回路を有する安定化電源において、該安定化電源が並列接続された場合に自電源の出力電圧または電流が他の電源よりも大きいことを判定する単独判定回路と、該安定化電源の出力電圧が規定の電圧よりも大きいことを検出する過電圧検出回路と、該単独判定回路の出力信号と該過電圧検出回路の出力信号の論理積をとって停止指令信号を作り該停止指令信号を自電源のパワー回路に送出するAND回路とを有することを特徴とした過電圧保護回路。
- 出力電圧が安定化制御されたパワー回路を有する安定化電源において、該安定化電源が並列接続された場合に自電源の出力電圧または電流が他の電源よりも大きいことを判定する単独判定回路と、該安定化電源の出力電圧が規定の電圧よりも大きいことを検出する過電圧検出回路と、該単独判定回路の出力信号と該過電圧検出回路の出力信号の論理積をとって停止指令信号を作り該停止指令信号を自電源のパワー回路に送出するAND回路とを有することを特徴とした電源。
- 請求項1記載の過電圧保護回路を有することを特徴とした電源システム。
- 請求項1記載の過電圧保護回路を有することを特徴とした電子装置。
- 請求項2記載の電源を有することを特徴とした電源システム。
- 請求項2記載の電源を有することを特徴とした電子装置。
- 請求項3記載の電源システムを有することを特徴とした電子装置。
- 請求項5記載の電源システムを有することを特徴とした電子装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003314898A JP4418197B2 (ja) | 2003-09-08 | 2003-09-08 | 過電圧保護回路とこれを利用する電源、電源システム及び電子装置 |
CNB2004100768205A CN100435444C (zh) | 2003-09-08 | 2004-09-07 | 过电压保护电路、电源、电源***及电子装置 |
US10/935,277 US7355829B2 (en) | 2003-09-08 | 2004-09-08 | Overvoltage protection circuit, and power source, power supply system and electronic apparatus using the overvoltage protection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003314898A JP4418197B2 (ja) | 2003-09-08 | 2003-09-08 | 過電圧保護回路とこれを利用する電源、電源システム及び電子装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005086883A JP2005086883A (ja) | 2005-03-31 |
JP4418197B2 true JP4418197B2 (ja) | 2010-02-17 |
Family
ID=34415318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003314898A Expired - Fee Related JP4418197B2 (ja) | 2003-09-08 | 2003-09-08 | 過電圧保護回路とこれを利用する電源、電源システム及び電子装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7355829B2 (ja) |
JP (1) | JP4418197B2 (ja) |
CN (1) | CN100435444C (ja) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8032766B2 (en) * | 2005-11-14 | 2011-10-04 | Zippy Technology Corp. | Machine boot up protection structure for parallel power supply equipment |
US9705325B2 (en) * | 2006-06-01 | 2017-07-11 | Linear Technology Corporation | Controlling switching circuits to balance power or current drawn from multiple power supply inputs |
JP2008187850A (ja) * | 2007-01-31 | 2008-08-14 | Yokogawa Electric Corp | 二重化電源装置 |
JP4940978B2 (ja) * | 2007-02-07 | 2012-05-30 | 富士電機株式会社 | 直流並列給電装置の過電圧保護装置 |
US8546977B2 (en) * | 2009-04-22 | 2013-10-01 | Lsi Corporation | Voltage based switching of a power supply system current |
US9831670B2 (en) * | 2009-04-30 | 2017-11-28 | Hewlett Packard Enterprise Development Lp | Power supply system having a redundant supply that remains online while sourcing no power |
JP5347795B2 (ja) * | 2009-07-21 | 2013-11-20 | 富士通株式会社 | 電源装置、電源ユニット診断装置および電源装置の制御方法 |
DE102010004644A1 (de) * | 2010-01-13 | 2011-07-14 | Phoenix Contact GmbH & Co. KG, 32825 | Redundanzmodul mit symmetrischen Strompfaden |
CN103684840B (zh) * | 2012-09-26 | 2018-07-13 | 中国电信股份有限公司 | 远端网络设备供电检测***及方法 |
JP5791582B2 (ja) * | 2012-11-14 | 2015-10-07 | コーセル株式会社 | スイッチング電源装置及びそれを用いた電源システム |
US9331522B2 (en) * | 2013-08-29 | 2016-05-03 | Etasis Electronics Corporation | Backup power supplying device having programmable current-balancing control |
CN106286129B (zh) * | 2016-10-12 | 2021-04-06 | 北京金风科创风电设备有限公司 | 风力发电机组及其控制方法 |
WO2018068278A1 (zh) * | 2016-10-13 | 2018-04-19 | 深圳易马达科技有限公司 | 一种电源连接装置及电源控制*** |
JP6726121B2 (ja) * | 2017-02-28 | 2020-07-22 | 株式会社デンソー | 電力変換システム |
JP7000804B2 (ja) * | 2017-11-13 | 2022-01-19 | Tdk株式会社 | 電源装置 |
US10627842B2 (en) * | 2018-06-18 | 2020-04-21 | Analog Devices Global Unlimited Company | Lossless current balancing and sharing between paralleled linear voltage regulators |
JP7110870B2 (ja) | 2018-09-26 | 2022-08-02 | Tdk株式会社 | 判定回路および電源装置 |
EP3648277B1 (en) * | 2018-10-31 | 2022-02-09 | Aptiv Technologies Limited | Electronic circuit for redundant supply of an electric load |
JP7188223B2 (ja) * | 2019-03-25 | 2022-12-13 | Tdk株式会社 | スイッチング電源装置及び医療システム |
US11300986B2 (en) | 2020-02-25 | 2022-04-12 | Hamilton Sundstrand Corporation | Current balancing |
US11128132B2 (en) * | 2020-02-25 | 2021-09-21 | Hamilton Sundstrand Corporation | Current balancing |
US11682896B2 (en) * | 2021-06-08 | 2023-06-20 | International Business Machines Corporation | Fault detection in redundant power supplies |
CN114552529B (zh) * | 2022-01-28 | 2022-10-21 | 绵阳惠科光电科技有限公司 | 过压保护电路、装置、显示面板及显示器 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59127579A (ja) * | 1983-01-10 | 1984-07-23 | Meidensha Electric Mfg Co Ltd | 並列冗長方式の電源装置 |
US4618779A (en) * | 1984-06-22 | 1986-10-21 | Storage Technology Partners | System for parallel power supplies |
JP2850274B2 (ja) * | 1991-06-24 | 1999-01-27 | 富士通電装株式会社 | スイッチング電源装置 |
JP3052867B2 (ja) * | 1997-01-16 | 2000-06-19 | 日本電気株式会社 | 電源システム |
-
2003
- 2003-09-08 JP JP2003314898A patent/JP4418197B2/ja not_active Expired - Fee Related
-
2004
- 2004-09-07 CN CNB2004100768205A patent/CN100435444C/zh not_active Expired - Fee Related
- 2004-09-08 US US10/935,277 patent/US7355829B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20050078424A1 (en) | 2005-04-14 |
US7355829B2 (en) | 2008-04-08 |
JP2005086883A (ja) | 2005-03-31 |
CN100435444C (zh) | 2008-11-19 |
CN1617406A (zh) | 2005-05-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4418197B2 (ja) | 過電圧保護回路とこれを利用する電源、電源システム及び電子装置 | |
US8335065B2 (en) | Overvoltage protection in a power supply | |
KR102021864B1 (ko) | 전력 제어용 스위칭 소자의 구동회로 | |
JP4978491B2 (ja) | 電源システムおよび素子故障検出方法 | |
JP2001352674A (ja) | 電源回路 | |
JPH11265224A (ja) | 可変出力電源装置 | |
US20040012265A1 (en) | System and method to control redundant power supplies selection | |
US7082042B2 (en) | System and method for power distribution | |
JPS62110427A (ja) | プロセス制御システムにおける保護装置および該保護装置の試験方法 | |
US9209678B2 (en) | Power converter system providing a load with electrical power | |
JP7196700B2 (ja) | 電源システム | |
CN109390913B (zh) | 三相马达控制电路和三相马达控制方法 | |
US11682896B2 (en) | Fault detection in redundant power supplies | |
JP7414035B2 (ja) | 電源システム及び電源装置 | |
JPH09229986A (ja) | 電源平滑化コンデンサの故障検出装置 | |
JP2003052167A (ja) | 電源回路、およびこれを用いた電源システム、電子装置 | |
JP6618427B2 (ja) | 二重化対応電流出力システム | |
JPS58114198A (ja) | 冗長化電流出力方式 | |
CN114252800B (zh) | 一种双路输出电源Power Good信号控制电路及电子设备 | |
US20240095126A1 (en) | Microcontroller and electronic circuit | |
JPS5864517A (ja) | 制御回路装置 | |
US10234882B2 (en) | Electrical function group | |
JPH09223444A (ja) | 補助リレー駆動回路 | |
JPH0265618A (ja) | 電源監視装置 | |
JPH064357A (ja) | 実装回路の動作制御方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060406 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20060413 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20060413 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090318 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090414 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090611 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20091110 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20091127 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121204 Year of fee payment: 3 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121204 Year of fee payment: 3 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20131204 Year of fee payment: 4 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313117 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
LAPS | Cancellation because of no payment of annual fees |