What is the function of Lightning Arrester & Wavetrap in
Power system ??
Answer Posted / vipul kumar
lightning arrester is a device which is used to protect the
equipment against flashing of light or overvoltage by
providing low impedance path for current to ground.
| Is This Answer Correct ? | 176 Yes | 13 No |
Post New Answer View All Answers
what is servo motor and how it works?
Define stepper motor. What is the use of stepper motor?
how can i determine the KVA/MVA rating of transformer precisely?? is there any standard test?????
What is transformation ratio what it describes?
In a 3 phase 4-wire system. For a 3.5 core cable if all loads are single phase and balanced, what will be neutral current? will it be sum of all phase currents? Or it will be zero? And if loads are unbalanced what will be neutral current?
Please provided formula for calculate the cable size from step up transformer to M.V panel, run overhead aluminum cables, total load is 5mega watt, total length 900 feet.
why the perameters of secondary circuit are more important then that of the primary circuit of induction motor?
why not starting switch first connect in direct on line starter?????
what clearance required for 4.5 mva dry type transformer?
IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.
for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?
How you calculating the 30 Hp 3 phase AC motor of power what size of cable is used for this motor?
What is the diff. between single compression and double compression gland
Which type of questions well asked. ?
Who are the manufacturer for Nitrogen based Fire Protectio/explosion prevention for Oil Filled Transformers? India and international both?