Why the isolation treasforfer are connected at out put of
the ups ig 200kva ??????????????????
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How can a equal potential zone be carried out in conductors?
What type of wiring series or parallel is used for conventional and addressable type FAS & why?
what is under coal gassification?
How colour picturetube works & how many year it will works.
234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,
A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.
What are locations arc protection relay is fixed.
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How many turns are there in primary winding? (In Transformer)
why there using acb enclosure in big buildings
what is the difference between Power and Distribution transformers ?
1) Explain why we don't link the two earthing system ht and mv on a pole mounted transformer sub-station.
how give earthing conection to household equipment?
why we use two slope(differential & restraining) in differential relay.but in busbar protection differential we are using only one slope?please explain
why we permissive overreach in distance protection.where it is applicable to use in long r short lines