WO2007034412A3 - Magnetic ballast fault isolation system and method - Google Patents

Magnetic ballast fault isolation system and method Download PDF

Info

Publication number
WO2007034412A3
WO2007034412A3 PCT/IB2006/053373 IB2006053373W WO2007034412A3 WO 2007034412 A3 WO2007034412 A3 WO 2007034412A3 IB 2006053373 W IB2006053373 W IB 2006053373W WO 2007034412 A3 WO2007034412 A3 WO 2007034412A3
Authority
WO
WIPO (PCT)
Prior art keywords
current rating
magnetic ballast
isolation system
fault isolation
current
Prior art date
Application number
PCT/IB2006/053373
Other languages
French (fr)
Other versions
WO2007034412A2 (en
Inventor
Anand Upadhyay
Original Assignee
Koninkl Philips Electronics Nv
Anand Upadhyay
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 Koninkl Philips Electronics Nv, Anand Upadhyay filed Critical Koninkl Philips Electronics Nv
Priority to JP2008531852A priority Critical patent/JP2009510672A/en
Priority to EP06821111A priority patent/EP1932397A2/en
Priority to US12/088,195 priority patent/US20080252232A1/en
Publication of WO2007034412A2 publication Critical patent/WO2007034412A2/en
Publication of WO2007034412A3 publication Critical patent/WO2007034412A3/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2856—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against internal abnormal circuit conditions

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Transformers (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

A magnetic ballast fault isolation system and method, with a fault isolation system including a magnetic ballast (22) having a current input (24), the magnetic ballast (22) having an operational current rating and an inrush current rating; and a fast acting fuse (26) operably connected in series with the current input (24), the fast acting fuse (26) having a continuous current rating and an overload current rating. The amperage of the fast acting fuse (26) is selected for the larger of the continuous current rating for a predetermined current factor times the operational current rating and the overload current rating for the inrush current rating.
PCT/IB2006/053373 2005-09-26 2006-09-19 Magnetic ballast fault isolation system and method WO2007034412A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2008531852A JP2009510672A (en) 2005-09-26 2006-09-19 Magnetic ballast fault isolation system and method
EP06821111A EP1932397A2 (en) 2005-09-26 2006-09-19 Magnetic ballast fault isolation system and method
US12/088,195 US20080252232A1 (en) 2005-09-26 2006-09-19 Magnetic Ballast Fault Isolation System and Method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US72058405P 2005-09-26 2005-09-26
US60/720,584 2005-09-26

Publications (2)

Publication Number Publication Date
WO2007034412A2 WO2007034412A2 (en) 2007-03-29
WO2007034412A3 true WO2007034412A3 (en) 2007-07-05

Family

ID=37807980

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/053373 WO2007034412A2 (en) 2005-09-26 2006-09-19 Magnetic ballast fault isolation system and method

Country Status (5)

Country Link
US (1) US20080252232A1 (en)
EP (1) EP1932397A2 (en)
JP (1) JP2009510672A (en)
CN (1) CN101273668A (en)
WO (1) WO2007034412A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2469810A (en) * 2009-04-28 2010-11-03 Kaoyi Electronic Co Ltd A fluorescent lamp with overheat protection function to cut-off power

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5430635A (en) * 1993-12-06 1995-07-04 Bertonee, Inc. High power factor electronic transformer system for gaseous discharge tubes
WO1998027791A1 (en) * 1996-12-18 1998-06-25 Pacific Scientific Company Magnetic feedback ballast circuit for fluorescent lamp
EP1276354A1 (en) * 2001-07-10 2003-01-15 Noontek Limited Ballast with random switch-on times
WO2003034794A1 (en) * 2001-10-18 2003-04-24 Koninklijke Philips Electronics N.V. Short-circuit ballast protection

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3035181A (en) * 1959-09-28 1962-05-15 Jr Arthur Laudel Electrical signaling system
US4384239A (en) * 1982-01-04 1983-05-17 Micron Industries Corporation Electrical circuit for gaseous discharge lamp
US4859914A (en) * 1985-07-25 1989-08-22 Summa Frank A High frequency energy saving ballast
US4792729A (en) * 1986-07-31 1988-12-20 Lyall Electric, Inc. Fluorescent lamp brightness control
US4714979A (en) * 1986-12-16 1987-12-22 Advance Transformer Company Protected potted metallized film capacitor
US6958579B2 (en) * 2002-08-07 2005-10-25 Ruud Lighting, Inc. Thermally-protected ballast for high-intensity-discharge lamps
US6819063B2 (en) * 2002-12-13 2004-11-16 Bruce Industries, Inc. Sensing voltage for fluorescent lamp protection

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5430635A (en) * 1993-12-06 1995-07-04 Bertonee, Inc. High power factor electronic transformer system for gaseous discharge tubes
WO1998027791A1 (en) * 1996-12-18 1998-06-25 Pacific Scientific Company Magnetic feedback ballast circuit for fluorescent lamp
EP1276354A1 (en) * 2001-07-10 2003-01-15 Noontek Limited Ballast with random switch-on times
WO2003034794A1 (en) * 2001-10-18 2003-04-24 Koninklijke Philips Electronics N.V. Short-circuit ballast protection

Also Published As

Publication number Publication date
WO2007034412A2 (en) 2007-03-29
US20080252232A1 (en) 2008-10-16
JP2009510672A (en) 2009-03-12
CN101273668A (en) 2008-09-24
EP1932397A2 (en) 2008-06-18

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