In DC motor,the field MMF is given by NI.N-no.of field
winding turns,I-excitation and both are constant.Then how
could the main flux decreases due to armature reaction.
Hi,
We facing one similar problem in our computers i.e we are
newly constructed our design department after that shifted
our computers but our computer desktop screen is vibrating.
we are conducted our electrical maintainance person he told
that is UPS problem, then we changed the UPS also again we
are facing that problem in that room only. then we put lcd
monitors that problem is solved. But in other monitors why
the computer desktop screen is vibrating please give a
suggestion to me.
Regards,
Raju.N.G
say a transformer is designed for 33/11kv step down with
ratio 0.33 for load 1 mva. if am giving 11kv as a input
that same transformer what will happen to its o/p voltage.
and whether it can be operated for 500kva
43
How the warning lamp of a charging-system is activated ?
80
can anybody send the rrb chennai &rrb bopal question papers
of 2006&2007.My exam is on 12 oct 2008.Its urgent
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