Hopefully? Another 48vdc-240vac Toriod Inverter build.


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KeepIS

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Joined: 13/10/2014
Location: Australia
Posts: 1846
Posted: 03:52am 30 Dec 2022      

I have a working 48V china inverter board that I plan to use during testing, it auto detects the supply 12v to 48v.

However a while back I was given a smaller 24V board and would like to use this for testing at 48V, saving my more powerful board for final testing.
 
Somewhere in the Forums I noticed a question about changing a typical China Inverter board from 24v to 48v. The person giving advise certainly had a lot of knowledge about these type of inverters.

I'm hoping I can get an opinion on this unit. The exact same unit appears to be sold for voltages from 12v to 48v (select voltage, freq and checkout). The Filter caps and all supply caps are rated at 80v to 100v, main filter caps are 100v.

It has adjustable over voltage, under voltage and may only need a resistor change to each preset adjustment pot to bring it into range?

The nominated battery supply appears to run to an switching regulator?, I assume a resistor change should solve that but before doing anything, I thought I would reach out to the forum for some help or input on this.







Thanks.