Re: power supply



On Sun, 12 Aug 2007 04:34:23 +0000, alengcm wrote:

On Aug 12, 12:29 am, mzahidm....@xxxxxxxxx wrote:
hello everyones! i am a new visitor of ur community. my problem is
that i want to built my own regulated power supply for my experiments
of electronics.the power supply should be v&i regulated up to max 50v
dc and 10 amp regulated.i also want its display of v&i in digital
form. can any one help me about this regards


frnd i don't know what is ur intention in making these large power
supply with huge current.In electronics we usually deals with currents
os the order micro amp. and a few volts and i think most of the
transistors and electronics devices now available are not cpable of
with standing ur requirements so that it is better to u to forget ur
project.

There are plenty of applications of electronic circuits which involve
currents up to or even in excess of 100 amps. Motor drivers are a common
example. Look at the rcgroups.com forums dealing with electric model
aircraft; BLDC motors which take 30-80 amps are commonplace, and those
have to be driven by electronic driver circuits.

For a switched-mode power supply, 10 amps is trivial; the PSU in a PC
delivers more than that. SMPS which deliver hundreds of amps are common.

.



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