CA2264614A1 - Methods and apparatus for providing startup power to a genset-backed uninterruptible power supply - Google Patents

Methods and apparatus for providing startup power to a genset-backed uninterruptible power supply

Info

Publication number
CA2264614A1
CA2264614A1 CA002264614A CA2264614A CA2264614A1 CA 2264614 A1 CA2264614 A1 CA 2264614A1 CA 002264614 A CA002264614 A CA 002264614A CA 2264614 A CA2264614 A CA 2264614A CA 2264614 A1 CA2264614 A1 CA 2264614A1
Authority
CA
Canada
Prior art keywords
genset
power
power supply
voltage
energy storage
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.)
Granted
Application number
CA002264614A
Other languages
French (fr)
Other versions
CA2264614C (en
Inventor
Joseph F. Pinkerton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Active Power Inc
Original Assignee
Active Power, Inc.
Joseph F. Pinkerton
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Active Power, Inc., Joseph F. Pinkerton filed Critical Active Power, Inc.
Publication of CA2264614A1 publication Critical patent/CA2264614A1/en
Application granted granted Critical
Publication of CA2264614C publication Critical patent/CA2264614C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • 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
    • 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
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/04—Regulation of charging current or voltage
    • H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
    • H02J7/08—Regulation of charging current or voltage using discharge tubes or semiconductor devices using discharge tubes only
    • 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
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems

Abstract

An uninterruptible power supply (200) provides improved reliability by supplying temporary standby power to a critical load (104) and startup power to a backup power source (112) from a single energy storage system (230). In the preferred embodiment, a flywheel energy storage device that produces three-phase AC voltage is used to provide temporary power to a critical load while a backup power supply, such as a diesel generator set (GENSET) (112), is accelerated to full speed. The startup power for the GENSET is also provided from the flywheel energy storage device through a circuit that converts the AC
voltage at one level to DC voltage at a lower level (e.g., 12 or 24 volts). Therefore, backup power will be provided from the GENSET unless a catastrophic failure occurs in the GENSET itself.
CA002264614A 1996-09-09 1997-09-09 Methods and apparatus for providing startup power to a genset-backed uninterruptible power supply Expired - Fee Related CA2264614C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/709,578 1996-09-09
US08/709,578 US5767591A (en) 1996-09-09 1996-09-09 Method and apparatus for providing startup power to a genset-backed uninterruptible power supply
PCT/US1997/015956 WO1998010503A1 (en) 1996-09-09 1997-09-09 Methods and apparatus for providing startup power to a genset-backed uninterruptible power supply

Publications (2)

Publication Number Publication Date
CA2264614A1 true CA2264614A1 (en) 1998-03-12
CA2264614C CA2264614C (en) 2004-11-23

Family

ID=24850439

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002264614A Expired - Fee Related CA2264614C (en) 1996-09-09 1997-09-09 Methods and apparatus for providing startup power to a genset-backed uninterruptible power supply

Country Status (9)

Country Link
US (1) US5767591A (en)
EP (1) EP0925628B1 (en)
JP (1) JP2001502519A (en)
AT (1) ATE222416T1 (en)
AU (1) AU731620B2 (en)
BR (1) BR9712812A (en)
CA (1) CA2264614C (en)
DE (1) DE69714746T2 (en)
WO (1) WO1998010503A1 (en)

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Also Published As

Publication number Publication date
AU4263097A (en) 1998-03-26
JP2001502519A (en) 2001-02-20
DE69714746T2 (en) 2003-04-24
DE69714746D1 (en) 2002-09-19
ATE222416T1 (en) 2002-08-15
AU731620B2 (en) 2001-04-05
WO1998010503A1 (en) 1998-03-12
CA2264614C (en) 2004-11-23
US5767591A (en) 1998-06-16
EP0925628B1 (en) 2002-08-14
BR9712812A (en) 1999-11-23
EP0925628A1 (en) 1999-06-30

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