Electronics > Beginners
Linear PSU with modern components, will it matter ?
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digsys:

--- Quote from: BravoV ---How its perform, say with switcher pre-regulator instead of using step-down transformer ? Did you ever try this combination ?
--- End quote ---
Ahhh there's the problem ... NO switchmode allowed in intrinsic / mining areas AT ALL !! period ! Devices must be 100% safe from arcing / HV etc
(ok as close as possible). If you DID want to try, It's be the same cost / effort as getting something approved for planes.
coppercone2:
How do you deal with inductance ? Like a high power rail that is long? Snubbers allowed or do you need to do something else?
coppercone2:
AVE video teardown of a mining product
digsys:

--- Quote from: coppercone2 ---How do you deal with inductance ? Like a high power rail that is long? Snubbers allowed or do you need to do something else?
--- End quote ---
Luckily, I only do the stuff inside the box :-)  (usually explosion proof w/ no pluggable connections). That's a whole new messy world that the specialist
electricians have to deal with :-)  The only specialist one I knew well, croaked this year, so I can't ask him .. sadly.
BravoV:
As power switching supply is matured (cmiiw), when it comes to use it as pre-regulator, instead of big transformer, with modern components, does it matter on the suppressing the switching noise at the linear front end, say to make it as comparable as step down transformer based linear PSU ?
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