I took two RS-70s and paralleled the bases of each supply's output
transistors through an added connector on the rear of each.
Don WA4NPL
Quoting "Vic K2VCO" <vic@rakefet.com>:
> chas wrote:
>> How do I connect three 30A power supplies together so as to obtain 90A ?
>>
>> I would assume it would be parallel but I cannot believe it is as simple as
>> daisy chaining three auto batteries - pos to pos to pos, etc
>>
>> either I am having a severe case of CRS or my logic meter has shut down.
>>
>> thanks for any simplistic explanation forthcoming
>
> Some regulated supplies have 'sense' terminals which, when connected
> together, assure that
> the output voltages will track. I had two Astron RS-70 12 volt
> supplies that I used to
> power a solid-state amp. that had terminals for this.
>
> Without such a connection, it MIGHT be possible with similar
> supplies if you adjust the
> output voltages to be as close as possible and strap the supplies in
> parallel. I haven't
> tried this!
>
> Someone can probably tell you where in the regulator circuitry to go
> to add a sense
> connection for supplies that don't have this feature.
>
> --
> 73,
> Vic, K2VCO
> Fresno CA
> http://www.qsl.net/k2vco
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