Please Help Members By Posting Answers For Below Questions
How one can say about a device (e.g: a light holder
contains 20 or 30 L.E.Ds which glows when power supply is
off, from which source they are getting the supply.....
battery or capacitor) without removing and opening up its
What is minimum permicible value of leackage current for LT
Panle when applying voltage up to 3 KV for 5 Minuits?
What is the alternate solution for testing of polarity by
tester while its milli ammeter does not works?
what is V.L.F. testing of power cable? do you know the
voltage ratings, like for what rating and size of cable
what rating of V.L.F. testing is used?
how to get electrical supervisor competency certificate in
gujarat. i did 3 year diploma in electrical
What is Antipumping Function & If we have C.T how we find the
What is deference between MCB & MCCB & ISOLATOR
why we are calculating the capacitance between
phase(conductor line)and ground in transmission line?why
cant we calculate capacitance between the phase and the
nuetral line?if so what is procedure.
what are safety measures in /control in diesal engine/
generally in LT and MV motors we are using
3.5Coresx16,25,35,50 etc cable for supply.although motors
is earthed at two point and having all protection.then why
we are using that 1/2 core for earthing the motors.while in
HT cable we are using only 3core cable for motor
supply.generally lt and mv motors are delta connected and
ht motors having star connection.whethere it is having any
relation with winding connection( star or delta).all motors
i am talking about are dol only.can anybody solve my
how to design the heater in
temperature control unit to heat 50KL
What is meant by impedance? difference between high & low
what are the specifications we must look at to select a relay for any capacity motor?
What is the working mechanism of OLTC in Power Transformers????
I am using submission of two ct in one and half scheme for
67/67N protection. Both CTs star point is grounded
separately near ct box.Will two point ground give wrong
tripping to 67/67N during fault or no matter.