How to select a contactor? How many types of contactors are
Why does the rotor rotate?
why we need to us lenz's law for synchornous motor
how will reduce the voltage. if 12volt/250ma transformer
toreduce 6 volt
Dear all i am kumaravel. now in chennai. my work is control
and relay panel auto cad designing.up to 11kv to 400kv then
i am improving my knowledge.
i want some books name and auther are available for this
C&R panel related. plese any one help me
what is the circulate the diesel in DG in side pls tell
parts name and picture with circulate the diesel
there is an alternator 480 k.w, 400v,50hz, 4-wire running
on load having leakage alternator body earthed current 38
A. is it within acceptable limit? if yes then give
reference if no then how to bring within specified limit
How phase displacement change in the over current relay coils.
how pt is using
What is the importance of counter based plan & how is it
What is Servo Ventilated Motor?
please send me previose rrb junior engineer qustion papers
how to calculate the torque of a motor?
what is the difference between surge protection capacitor
and surge arrestor