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EL (Electro luminescence) inverter 12V DC to 110V /800Hz AC

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senan

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Hi,

I need help in designing an EL inverter (12 V DC to 110V/ 800Hz AC). I am new to power electronics, so need a full guideline for designing one. I read lot of articles online, but very few related to EL inverters.
Hope you guys can help me on this :)

Thank you,
Senan
 

full guideline
Click to expand...

More likely you'll collect bits of knowledge from several sources. A typical way to do the job is a step-up transformer operating at 800 Hz.

Try a forum search on keywords to do with your project.

Also see the list of related threads further down this column.
 

Senan,

I suppose the first step would be to nail down some specific requirements.

The easiest way would probably be to buy one or more low cost e-bay EL supplies to determine what voltage you actually need to get the required brightness from the specific EL panel you are planning to use.

Published specifications cannot be relied upon, only you will know how bright it needs to be once you see it working.

Brightness requirements vary a lot, and so does panel size and colour, so its a fairly important initial step.
 

boost converter followed by an half bridge (or full bridge) to create the 800Hz AC, EL is low power, so a lot easier because of that...
 

Easy peasy said:
boost converter followed by an half bridge (or full bridge) to create the 800Hz AC, EL is low power, so a lot easier because of that...
Click to expand...

I see a huge inductor coil on the output side of all the EL inverter I open which is connected between two mosfets (I hope its a half bridge). Do you know how it is connected to the transformer output?
 

What do you you mean " I see"? are you trying to copy a design? That inductor likely forms part of a filter (with the C of the EL itself) to provide a more sinusoidal current thru the EL ...
 

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