what is tan delta measurement?..... why that terminal is
earthed.....?

Answer Posted / shashank vyas

tan delta testing is done to measure the dielectric
strength of the insulation.........n to determine whether
the insulation is in healthy condition or not.
if the new value matches with old one ,than insulation is in
healthy condition
generally value of tan delta is .007

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the Current equation in series RLC circuits.

607


-What should be minimum value of insulation resistance and maximum value of earth resistance at any electrical instillation and what is method of testing the same.

1563


What is transister define the transister ammiter ,base, colector.

1713


What happen when change order of CT in GIS feeder?

1170


Define piezo-electric effect?

693






how to calculate IR value of 33KV cable ??

1326


we have 2.2kw,Y,3000rpm motor but 6leads found in TB what happen if we connect in delta?

1248


why do we put a transformer on soak before loading it

632


Explain the working of variable frequency transformer?

638


Hello Friends, How can we recognize the CT Star Point is S1 or S2 in case of Electro Mechanical Relays and what is meant by Restraining coil in relays and what is the purpose of that.. thank you in advance..

1666


How does the slip regulator works as a startor

1489


what is the function of bearing in dc mchine" and where it is placed

2066


Fantio of tranformer

1736


What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?

1467


why swityard is necessrry requirement in any bis power distributin systems?

1876