CA1066398A - Battery backup for ac powered dc supply - Google Patents
Battery backup for ac powered dc supplyInfo
- Publication number
- CA1066398A CA1066398A CA274,575A CA274575A CA1066398A CA 1066398 A CA1066398 A CA 1066398A CA 274575 A CA274575 A CA 274575A CA 1066398 A CA1066398 A CA 1066398A
- Authority
- CA
- Canada
- Prior art keywords
- battery
- signal
- output
- backup system
- set forth
- 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
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 14
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 2
- 230000001419 dependent effect Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- FBOUIAKEJMZPQG-AWNIVKPZSA-N (1E)-1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)pent-1-en-3-ol Chemical compound C1=NC=NN1/C(C(O)C(C)(C)C)=C/C1=CC=C(Cl)C=C1Cl FBOUIAKEJMZPQG-AWNIVKPZSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- XMEVHPAGJVLHIG-FMZCEJRJSA-N chembl454950 Chemical compound [Cl-].C1=CC=C2[C@](O)(C)[C@H]3C[C@H]4[C@H]([NH+](C)C)C(O)=C(C(N)=O)C(=O)[C@@]4(O)C(O)=C3C(=O)C2=C1O XMEVHPAGJVLHIG-FMZCEJRJSA-N 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- 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
- H02H3/46—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 frequency deviations
-
- 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
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/692,127 US4065676A (en) | 1976-06-02 | 1976-06-02 | Battery backup for AC powered DC supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1066398A true CA1066398A (en) | 1979-11-13 |
Family
ID=24779364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA274,575A Expired CA1066398A (en) | 1976-06-02 | 1977-03-23 | Battery backup for ac powered dc supply |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4065676A (en:Method) |
| JP (1) | JPS52147744A (en:Method) |
| CA (1) | CA1066398A (en:Method) |
| DE (1) | DE2724278C2 (en:Method) |
| FR (1) | FR2353981A1 (en:Method) |
| GB (1) | GB1551655A (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740490A (zh) * | 2020-07-30 | 2020-10-02 | 山东超越数控电子股份有限公司 | 一种支持交直流冗余输入的直流输出装置 |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4213174A (en) * | 1977-05-31 | 1980-07-15 | Andover Controls Corporation | Programmable sequence controller with drum emulation and improved power-down power-up circuitry |
| NL7807064A (nl) * | 1977-07-09 | 1979-01-11 | Struever Kg Ad | Inrichting voor het controleren van een net. |
| US4197582A (en) * | 1978-03-31 | 1980-04-08 | Westinghouse Electric Corp. | Auxiliary power supply and timer arrangement for time registering multifunctional electric energy meters |
| US4209710A (en) * | 1978-06-27 | 1980-06-24 | Honeywell Inc. | Battery back-up regulator |
| US4383184A (en) * | 1980-06-26 | 1983-05-10 | Texas Instruments Incorporated | Power controller |
| US4673826A (en) * | 1984-12-20 | 1987-06-16 | The United States Of America As Represented By The Secretary Of The Air Force | Autonomous uninterruptable power supply apparatus |
| JPS61160124A (ja) * | 1984-12-29 | 1986-07-19 | Hitachi Ltd | メモリ給電方式 |
| US4672228A (en) * | 1985-09-03 | 1987-06-09 | Pioneer Magnetics, Inc. | Battery backup system for switched power supply |
| GB8713971D0 (en) * | 1987-06-16 | 1987-07-22 | Jackson Bros London Ltd | Rechargable electric power unit arrangements |
| US4994685A (en) * | 1989-06-26 | 1991-02-19 | Ncr Corporation | Regulated power supply and method |
| JPH03239159A (ja) * | 1990-02-15 | 1991-10-24 | Mitsubishi Electric Corp | 直流電源装置 |
| DE69124442T2 (de) * | 1990-09-07 | 1997-07-17 | Oneac Corp | Reserve-Fremdstromversorgung |
| US5204963A (en) * | 1990-12-07 | 1993-04-20 | Digital Equipment Corporation | Method and apparatus for a backup power controller for volatile random access memory |
| US5786642A (en) * | 1991-01-08 | 1998-07-28 | Nextek Power Systems Inc. | Modular power management system and method |
| US5418445A (en) * | 1992-08-26 | 1995-05-23 | Tele Digital Development, Inc. | Switching circuit for simultaneous rapid battery charge and system operation |
| JP2744738B2 (ja) * | 1992-09-07 | 1998-04-28 | 三菱電機株式会社 | 半導体記憶装置 |
| JP3069498B2 (ja) * | 1994-09-01 | 2000-07-24 | 富士通株式会社 | 充放電装置および電子機器 |
| US5663711A (en) * | 1995-06-07 | 1997-09-02 | Aliter Industries | Power failure alarm |
| US5786682A (en) * | 1996-08-07 | 1998-07-28 | Reltec Corporation | Battery charging circuit including a current limiter which compares a reference current to a charging current to ensure operation of a load |
| JP3571536B2 (ja) * | 1997-10-20 | 2004-09-29 | 富士通株式会社 | バッテリ充電装置及び方法並びに電子装置 |
| US6469883B1 (en) | 2000-03-13 | 2002-10-22 | Coactive Networks, Inc. | Method and apparatus for early AC power failure detection |
| US6708083B2 (en) | 2001-06-20 | 2004-03-16 | Frederick L. Orthlieb | Low-power home heating or cooling system |
| US20070189001A1 (en) * | 2002-12-11 | 2007-08-16 | Safeexits, Inc. | Multi-functional ballast and location-specific lighting |
| US20080197790A1 (en) * | 2002-12-11 | 2008-08-21 | Mangiaracina Anthony A | Lighting utilizing power over the ethernet |
| US20080266849A1 (en) * | 2007-04-30 | 2008-10-30 | Nielson Lyman O | Fluorescent lighting conversion to led lighting using a power converter |
| DE102008010043A1 (de) * | 2008-02-20 | 2009-08-27 | Fujitsu Siemens Computers Gmbh | Verfahren zum Betrieb von einem Gerät mit redundanten Netzteilen sowie Gerät mit redundanten Netzteilen |
| US9735613B2 (en) | 2012-11-19 | 2017-08-15 | Heat Assured Systems, Llc | System and methods for controlling a supply of electric energy |
| CN104638633B (zh) * | 2015-02-06 | 2017-09-12 | 孙毅彪 | 复合件智能型大功率无电弧直流母线接触装置 |
| US10931139B1 (en) | 2015-12-29 | 2021-02-23 | Signify Holding B.V. | Emergency battery packs for low voltage systems |
| US10424963B1 (en) * | 2016-02-18 | 2019-09-24 | Eaton Intelligent Power Limited | Methods and systems for charging a backup battery pack |
| CN109714034B (zh) * | 2018-12-12 | 2023-04-21 | 崔凤来 | 自动跟踪可控硅准电流过零触发控制方法和电路 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3339081A (en) * | 1964-09-18 | 1967-08-29 | Borg Warner | Battery transfer system |
| US3509357A (en) * | 1967-05-10 | 1970-04-28 | Borg Warner | Static transfer switching system |
| US3480791A (en) * | 1967-05-26 | 1969-11-25 | Penn Western Electric | Emergency lighting system with two rate battery charger |
| DE1615626A1 (de) * | 1967-07-21 | 1970-08-06 | Sonnenschein Accumulatoren | Elektronischer Last-Umschalter fuer Puffer-Ladegeraete |
| US3577003A (en) * | 1969-03-11 | 1971-05-04 | Union Carbide Corp | Automatic battery-switching device |
| CH497805A (de) * | 1969-10-09 | 1970-10-15 | Agie Ag Ind Elektronik | Verfahren und Vorrichtung zum schnellen Umschalten mindestens eines Wechselstromverbrauchers von einer Spannungsquelle oder Stromquelle auf eine andere Spannungsquelle oder Stromquelle beim Auftreten eines Fehlers in der mit dem Verbraucher verbundenen Quelle |
| US3611162A (en) * | 1970-07-09 | 1971-10-05 | Yokogawa Electric Works Ltd | Apparatus for detecting abnormal conditions of ac sources |
| BE791178A (fr) * | 1971-11-18 | 1973-05-10 | Cie Generale D Electronique In | Installation electrique pour l'alimentation sans discontinuite d'une charge |
| DE2247767B2 (de) * | 1972-09-29 | 1976-08-12 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zum unterbrechungsfreien umschalten von einem betriebsstromversorgungsgeraet auf ein ersatzstromversorgungsgeraet |
| US3852731A (en) * | 1973-10-12 | 1974-12-03 | Rochester Instr Syst Inc | Ac voltage sensing apparatus |
| DE2448427B2 (de) * | 1974-10-10 | 1976-10-28 | Ausscheidung in: 24 62 122 Ausscheidung in: 24 62 290 Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur unterbrechungsfreien stromversorgung eines verbrauchers |
| CH584474A5 (en:Method) * | 1975-03-25 | 1977-01-31 | Agie Ag Ind Elektronik |
-
1976
- 1976-06-02 US US05/692,127 patent/US4065676A/en not_active Expired - Lifetime
-
1977
- 1977-03-23 CA CA274,575A patent/CA1066398A/en not_active Expired
- 1977-05-17 GB GB20612/77A patent/GB1551655A/en not_active Expired
- 1977-05-26 FR FR7716204A patent/FR2353981A1/fr active Granted
- 1977-05-28 DE DE2724278A patent/DE2724278C2/de not_active Expired
- 1977-06-02 JP JP6526977A patent/JPS52147744A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740490A (zh) * | 2020-07-30 | 2020-10-02 | 山东超越数控电子股份有限公司 | 一种支持交直流冗余输入的直流输出装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US4065676A (en) | 1977-12-27 |
| GB1551655A (en) | 1979-08-30 |
| DE2724278A1 (de) | 1977-12-15 |
| FR2353981B1 (en:Method) | 1982-04-02 |
| FR2353981A1 (fr) | 1977-12-30 |
| JPS52147744A (en) | 1977-12-08 |
| DE2724278C2 (de) | 1987-02-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1066398A (en) | Battery backup for ac powered dc supply | |
| CA1304447C (en) | Backup protection switch to prevent reverse power flow in a ups | |
| US3936718A (en) | Battery charging control circuits | |
| US5457377A (en) | Method of monitoring the internal impedance of an accumulator battery in an uninterruptible power supply, and an uninterruptible power supply | |
| US4763013A (en) | Backup protection switch to prevent reverse power flow in a UPS | |
| CA1214210A (en) | Ac uninterruptible power system | |
| US5458991A (en) | UPS with auto self test | |
| US5260669A (en) | Circuit for generating first and second in-phase alternating signals | |
| US5254930A (en) | Fault detector for a plurality of batteries in battery backup systems | |
| US5321347A (en) | Battery charger device and method | |
| US5142163A (en) | High speed load transfer system | |
| US4812943A (en) | Current fault protection system | |
| US5132682A (en) | Apparatus for controlling traffic lights | |
| US4467266A (en) | Battery overcharge protection system | |
| US3836854A (en) | Alarm circuit for monitoring the amplitude of a-c voltages | |
| US4629964A (en) | Battery power source | |
| US3013257A (en) | Battery failure alarm | |
| US3421066A (en) | Direct current power supply system for emergency lighting systems and the like | |
| JPH07298503A (ja) | 無停電電源装置用バッテリーの良否判定装置 | |
| WO1987000702A1 (en) | Stand-by power supply | |
| JPS6358034B2 (en:Method) | ||
| CA1287110C (en) | Symmetrical fault current detector | |
| KR900009460Y1 (ko) | 마이크로 프로세서 정전검출 인터럽회로 | |
| KR910006682Y1 (ko) | 마이크로 프로세서의 인터럽 검출회로 | |
| JPS6032430B2 (ja) | 蓄電池の充電装置 |