what is VFD and how to save the power by using VFD?
Answer Posted / virendra
Frequency decrese then flux increase & hence current decrese
Is This Answer Correct ? | 0 Yes | 2 No |
Post New Answer View All Answers
I am abt to give IOCL intrv.Plz sir guide me for IOCL intrvw (Electrical).Which subject to be consider. questions are generally asked from which subject.Plz help me out.
Is it posible to instal one more SMDB from the existing SMDB and is it practical.
a simple c++ program to calculate simple interst with its data members as private
How to calculate the no of Ceiling fan (1200mm sweep) per unit area?
in single phase converter, the no.of scr's conducting during overlap a)1 b)2 c)3 d)4
What is dielectric loss?
A 500 V shunt motor runs at its normal speed of 250rpm when the armature current is 200A. The resistance of the armature is 0.12 Ω. Calculate the speed when a resistance is inserted in the field reducing the shunt field to 80% of normal value and the armature current is 100A.
What is expention fastener (Fan)
what is ramping rate of generator
if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?
WHAT IS THE MEANING OG (li = 7 In)
What is meant by derating factor?
how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc
why the field winding in dc motor is not short circuited eventhough dc supply is applied across the winding
whit is 33kv power 300*300 cable full current with formula