Answer Posted / prasun bhaumik
First put normal PT supply and then increase the current up
to the pick up level and then upto 2 times of it then see
the time of operation.
Then keep the current at plug setting value , now decrease
the voltage gradually to see the minimum restraining
voltage at which the relay will start to operate
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
what is th basic difference between a d latch time line and a d flip flop time line???
what may the reason for vector shift in a generator?
How to maintain ac plant?
Type of motor stater detail and working detail
Form S and "c" license application both are same? @ tneb portal
which capacity of RCCB used for five thousand watt electricity load?
what is the effect of connecting three phase supply lines to three phase auto transformer output terminals through a fuse of 10Amp and a circuit breaker (MCB). Is this connection permanently destroy the transformer?
How to calculate impedance volt in Transformer?
in dc shunt motor if field winding is shorted then
WHAT CAUSED THRESHOLD VOLTAGE TO EXIST?
In Plumbing services What are accessories we consider for a bathroom?
how to failure indution motor insulation & how to improve heat in motor insulation
What is frantic effect?
How to Calculate The Neutral Earth flat design calculation for the Synchronised generator (Gen 1-650Kva, Gen 2-725Kva
How efficiency of thermal plant can be improved?