Why we are testing a tan delta test in transformer? which purpose conduting th

Why we are testing a tan delta test in transformer? which
purpose conduting that test? and time priode test?

Question Posted / murali

1 Answers
3847 Views
I also Faced
E-Mail Answers

Why we are testing a tan delta test in transformer? which purpose conduting that test? and time pr..

Answer / k.prakashchandra

This test is for life evaluation / extension programme.The
dissipation factor (tan delta) represents the gross defects
and overall dielectric loss in the insulation.The first test
may be conducted after 10 years and subsequent tests may
conducted every 5 years , and if results are poor, after a
short period to watch the further deterioration

Is This Answer Correct ?

3 Yes

3 No

Post New Answer

More Electrical Engineering Interview Questions

Can anybody tell abt concrete encased earthing or grounding?

0 Answers

what is dead tank CT AND what is live tank CT

2 Answers TATA,

how does capacitor oppose sudden chane in voltage? how does inductor oppose sudden change in current?

4 Answers AAA, Iqra University,

Can we use the ceiling fan regulator to run drill machine having 2000 watt power consumption?

2 Answers

What is load curve?

2 Answers

difference between EMVT, PT & CVT ?

9 Answers

how make megger test for control cable like 12c x 1.5mm and what it apply voltage and test timing details.

0 Answers

What is the function of Igniter in 250 watt HPMV street light?

1 Answers

star delta advantage and disadvantage?

2 Answers

HOW TO CUT A CAKE IN 8 PIECES IN 1 STROKE

3 Answers

In what circumstanced the CT used for protection relay will be saturated?and what will happen to the relay is the CT is saturated?

3 Answers

can we use ps class in combination with protection class in differential protection and over current protection.

1 Answers

For more Electrical Engineering Interview Questions Click Here