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solo p
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Nigeria
1 Posts

Posted - Feb 28 2014 :  10:14:19 AM  Show Profile  Visit solo p's Homepage  Send solo p an AOL message  Reply with Quote
please i need the list and the discription of all the components of a 150W energy saving bulb

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SOLO

Aaron Cake
Administrator

Canada
6706 Posts

Posted - Mar 02 2014 :  10:28:24 AM  Show Profile  Visit Aaron Cake's Homepage  Send Aaron Cake an ICQ Message  Send Aaron Cake a Yahoo! Message  Reply with Quote
That's going to depend on the type of bulb.

If it's an incandescent, then it's nothing more than a filament suspended with wire between two conductors in a bulb filled with a gas mixture.

If it's a fluorescent, there will be a small circuit which just rectifies the mains to DC, then runs it through an oscillator and transformer to make about 400VAC. The transformer typically has a higher voltage winding which is used to start the bulb at a higher voltage. Here's a great page which describes the typical circuit:
http://www.pavouk.org/hw/lamp/en_index.html

If you are referring to LED, then typically the mains is rectified to DC and then sent through a PWM circuit to regulate the voltage for the LEDs.
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audioguru
Nobel Prize Winner

Canada
4218 Posts

Posted - Mar 03 2014 :  11:53:57 PM  Show Profile  Reply with Quote
150W is a lot of power for a light bulb. A street light?
Maybe it is mercury-vapour or sodium-vapour? Halogen? Xenon?
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