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adjustable expandable schematic

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spankey666

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adjustable expandable schematic
« on: February 05, 2012, 01:38:27 PM »
Hi all,
i looking to build a power supply based around a large 3kva 24v transformer i have.(this can be re-wound to what ever is required) and a 180a bridge rectifier.
ive asked questions on other forums, and just seem to be going round in circles. ive read up on switching, scr control etc but got nowhere. so i have reigned myself to making a simple linear supply, with massive heatsinks, fans etc to dissipate the expected upto 3kw heat.
what i need is a schematic for a constant current and constant voltage 0v-24v (aprox) adjustable supply that i can just add a load of output transistors to to up my current load to above 70amps, and help with changing any of the passive components to get this working.
for example http://www.electronics-lab.com/projects/power/001/index.html
any advice and leads would be greatly appreciated.

kimico

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Re: adjustable expandable schematic
« Reply #1 on: April 16, 2012, 01:18:37 AM »
Thanks to its simplicity and scalability, electromagnetic induction is still the technology of choice among many of the remaining companies in the wireless-charging arena.