Please Help Members By Posting Answers For Below Questions
How does a system control centre in a utility plant gets
the grid frequency of the electrical network (50 Hz or 60
Hz)by the SCADA system?
How each of the following losses occur in
d.c machines (i) copper (2)core (3)
windage (4)friction please help me
what is p.s impedance measurement test in earthing
technical questions asked by visa steel interview plg get me!
Give atleast 20 alternating current apparatus and devices.
Is a contactor (or master relay) required between incoming
lines and a VFD? The question goes to safety. If a
contactor were used before the VFD and an e-stop engaged
then the motor will coast to a stop (i.e. VFD loses power)
instead of stopping much faster if the VFD braking fucntion
It would make more sense to keep power on the VFD.
HOW TO CALCULATE EARTHING SIZING?
describe the phenomena of vacuum interruption in C.B
WHAT R THE SAFETIES IN A HIGH TENSION PANEL N LOW TENSION
PANEL. ALSO WAT SAFETIES R THERE IN A 200 KVA TRANSFORMER?
what is the transiant condition in alternator? and how it
can be prevanted?
Do inductive loads have distorted current waveforms ?
what type of questions are asked and howmwny questions
belong this catagory?
why they were using TRIAC instead relay in some controllers
and what is the advantages.