Answer Posted / satya dev
UV coil is a one type of feeder protection device and The main function of UV coil is to safe the feeder and equipment,s during unbalancing of power circuit. It is installed in the ACB and set the required Pick up and drop value of voltage in relay.so the beyond the set value coil will be energize and trip the ACB.
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
should %impedance be high or low in a power transformer? if so why?
Describe the control mechanism of missile launcher???
Has someone here done a sizing for a generator (3 phase), its for a pumping station. If you have an example for standby/duty and both running (I) star delta (ii) Soft Starter.
What is meant by reactance voltage?
is there any lightning by passer is arranged in ship like buildings?
how to calculate slip ring induction motor stator and rotor currents??
induction 3 phase motor terminal connection
please give me all the Alarm .Trip ,Safety Relays & Conditions of Chiller mail me on ashokbabunhce@gmail.com
If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?
How to checked frequency drive output voltages?
how to calculate cable size in diffrent loads?
What is the effect of pd controller on system performance?
we have 3 single phase transformers. how will we generate 6 supply from 3 phase supply input
Write the analogous electrical elements in force voltage analogy for the elements of mechanical translational system.
sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company