Electronics > Projects, Designs, and Technical Stuff

30A Adjustable Power Supply Suggestions

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bostonman:
I’m considering an adjustable power supply, maybe 30v and 20 or greater amps.

So far the ones I’ve found are expensive. Does anyone have any suggestions on an affordable one? I don’t really care about noise, and I already have power supplies, just need one with more current.

donlisms:
Let's see... power is volts * amps, so at 30 volts and 30 amps, that's 900 watts plus overhead...  Now the thought is... how much should we expect to pay for a moderately precise, reliable,  nicely designed device that operates at over a thousand watts?

I'm just suggesting that a place to start is to make sure your expectations are realistic. 

bostonman:
I didn’t use watts because it could imply low voltage and high current or vice versa. In any case, I agree with you, and it’s why I asked if anyone knows of somewhere that has decent prices.

PCB.Wiz:
You have not defined affordable, or if you need displays, but aliexpress often have the best prices.
https://www.aliexpress.com/item/1005005530478325.html

mawyatt:
The Korad KWR103 can do 30V and 30A, but limited to 300W total output power.

Best,

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