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curious case of the shuddering power supply...

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SArepairman:
http://www.ebay.com/itm/HP-Agilent-Harrison-6268A-Rack-Mount-DC-Power-Supply-0-40VDC-0-30-Amps-PARTS-2-/111131332684?pt=LH_DefaultDomain_0&hash=item19dff1904c

Read the description.

What the hell could cause a power supply to shudder? I imagine that means it vibrated in a fierce manner.  :-DD

ElectroIrradiator:

--- Quote from: SArepairman on August 01, 2013, 11:18:10 pm ---What the hell could cause a power supply to shudder? I imagine that means it vibrated in a fierce manner.  :-DD

--- End quote ---

Current surge, like due to a huge short (and having nails instead of fuses). You sometimes see this during power-up in PSUs with huge filter caps, if the design lacks inrush current protection. See large class A audio amps with passive PSUs. :D

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