21. What is the purpose of taking Capacitance and Tan Delta
Test in
Transformer bushing?
22. What are the protections to be used for Generator?
23. Draw the vector diagram and condition for the
following: 1) Dyn1
2) Ynd0 3) YnYn0
24. What happens when the polarity changes in CT? Explain
briefly?
25. Explain the Term in CT Name Plate – Class: 5P10

Answer Posted / prasad

Tan DELTA TEST TO FIND THE Dielectric losses

Is This Answer Correct ?    5 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is meant by k-rating in isolation transformer?what is k9, k14 stands for?

2252


What is meant by Im=30mA@Vk/2. How to know the kee point voltage for CT design

2870


What is depreciation factor?

1769


WHERE NEUTRAL WIRE IS CONNECTED AT DOMESTIC TO TRANSMISSION LINE(SINGLE PHASE TO THREE PHASE)

1347


what is the difference between the voltage of 5 volts capacitor and and 5volts battery?

1455






Earth is a conductor or load?then ammeter connect to 3- phase supply,it shows the measurents or not?

1643


Why phase sequence must be same in any ht motor or generator circuit?if phase sequence doesn't same whatever will be affect on circuit?

1725


Can we convert off line transformer to on line transformer

1477


Explain dc generator with its types?

640


What is bode plot?

811


How to identify the start and end of 3phase 12 lead motor if U1, U2, etc numberings are lost or erased.

1714


Why field rheostat is kept in minimum position?

719


what does mean of RCT and STR in diffrential CT?

3770


WHAT ARE THE EFFECTS OF SERIES RESONANCE AND PARALLEL RESONANCE ON THE CIRCUITS PARAMETERS?

1495


how is control wiring coding is done in a CRP panel ?

1542