what is the significance of tan delta testing?explain the
theory?
Answer Posted / veena nair
tan delta testing is usally carried out to check the
healthiness of insulation.so this testing is usally carried
out in cb ,ct, bushings etc ,for all these equipements one
standard value will be there,for breakers this value will
be 0.00073, if any devation in this value we have to
suspect about it insulation healthyness.
| Is This Answer Correct ? | 22 Yes | 10 No |
Post New Answer View All Answers
how to control the speed to switched reluctance motor
why does make gain margin and phase margin on same plot.?
How much current will a 5 HP delta connected motor at no load will take?Is tat need a starter
How to select the earthing transformer,for DELTA TO DELTA TRANSFORMER OR ALTERNATOR SIDE.Pls post your answers and calculation.
how solar power plant energy meter multiplication factor
This is urgent!! What is a Thyristor-based 3-ways selector switch with Zero crossing control? how does it operate and where is it mostly found in a system?
Why hydropower is called renewable source of energy?
If we have to find the inductance of a dc shunt motor then by giving dc supply or ac supply and what is the reason for it. (this example is from "to determine the transfer function of a dc shunt motor ")
WHY NUTRAL GROUND SYSTEM USED IN 33KV SYSTEM
why power factor is important?
Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0
Please define ampere?
What is the unit of attenuation?
Please brief me about number of pole in alternator.In single phase alternator coils are connected in star or series. How to calculate frequency for the same.
hi can anyone pls tell me the eee interview core questions asked in l&t