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Electronic Ballast ?

Discussion in 'Electronic Basics' started by mowhoong, Aug 26, 2007.

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  1. mowhoong

    mowhoong Guest

    Recently people talk about energy saving in the elecrticial home
    appliance.such as the use of electronic ballast to substitude the
    conventional ballast.
    I checked out some source. states that only 20% reduction in energy
    consumption is saved. When you compare the product price,the
    electronic ballast cost atleast 6 time more than the conventional
    ballast. moreover there is no assurance that the electronic ballast
    can last longer than the conventional ballast. My conventional ballast
    havebeen in use for 28 years with daily 12 hours orperation .
     
  2. Allen Bong

    Allen Bong Guest

    My conventional ballast gave me a lot of hum, so I replaced it with an
    electronic one. Didnt know that it is going to save me some
    electricity, but I like its instant operation when you switch it on.

    We get them here for about $3 a piece from the 100% discount stores
    and super save stores which sell goods from China. And so far I have
    replaced 2 of my flourence fittings. Worked for few months and still
    ok so far.

    Allen
     
  3. Chris Jones

    Chris Jones Guest

    So how much is 20% of the money that you have spent on electric power for
    the fluorescent lighting over the last 28 years?

    Chris
     
  4. Phil Allison

    Phil Allison Guest

    "mowhoong"

    ** Do the math.

    If an electronic ballast saves only 5 watts and has a life of 50,000 hours
    that means 250 kWh

    Saves around $ 30 in electricity.

    Then there is the saving in starters, say another $ 10.

    Then there is the additional light output from running fluoro tubes at high
    frequency.

    Plus longer tube life, as the start up process is not near so harsh as a
    bi-metal stater.


    ** Bet you have replaced a good few starters.



    ....... Phil
     
  5. mowhoong

    mowhoong Guest

    Hi Phil,
    thanks to members's reply. Some bought it at only $3/- it could be
    simple circuit without noise filter.etc. But additional
    light output may result your end terminal get blacken easily.
     
  6. Bob Masta

    Bob Masta Guest

    As it happens, I spent yesterday installing a custom noise
    exposure booth at a Major Metropoitan University. The
    booth had to fit into a former single-stall shower room, but the
    overhead light needed to be repositioned to do this.

    The "industrial" light appeared to be 3 compact fluorescent U-tubes
    in a cluster; don't know what watt rating, but they were
    pretty hot to touch when running. The surprising thing was
    that they had tiny conventional ballast transformers, one for each
    tube, that were *very* hot.

    Surely, if this light had been installed to save energy,
    the ballasts weren't doing their share!



    Bob Masta

    D A Q A R T A
    Data AcQuisition And Real-Time Analysis
    www.daqarta.com
    Scope, Spectrum, Spectrogram, Signal Generator
    Science with your sound card!
     
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