Answer Posted / k.prakashchandra

To dehydrate the windings.In view of high level of water /
moisture content in insulation ,it is recommended to
thoroughly dehydrate the windings by subjecting to vacuum
heating and drying after untanking the oil.Care should be
taken to see that the tank would not buckle due to the vacuum.

What is dynamo?How it works and what is the function of dynamo in a DG.

2158

---

what is the difference between gas group b and gas group c electrical equipment construction wise?

1860

---

Difference between transition and diffusion capacitance

2965

---

how to calculate insulation level of transformer?

1682

---

how much UPS neutral erath leakage current.

3720

---

how to calculate cooling requirement of datacentre from electrical load?

2396

---

what is magnetizing and demagnetizing current in generator and motor?

3268

---

An active element is one which a. Supplies energy b. Absorbs energy c. Supplies energy and convert energy from one form to another

2051

---

WHAT IS MOBILE SUB-STATION? & REALLY BENEFIT IN INDIA

2066

---

what are the condition that makes hooter blow?

2438

---

What is the formula for selecting the cabels according to load? How to calculate what sq.mm cabel to be used?

1487

---

my UPS suddenly goes off and all panel light also blow off.This happens even main electric supply is not interrupted.After some time it automatically starts functioning normally.Batteries are new.

2047

---

what is the calculation involved to design the heater to heat 10KL of water in temperature control unit?

1927

---

at meter room 50 hrc switch installed,but there are not get earthing proper,so what happen?and 11kv transformer out put going in to hrc main 400a three nog each? so earthing is require for all switch? (some customer made earthing at there home.)

1900

---

Why the moulded plug comes with domestic appliances instead of assembled plug like anchor, Vinay 5/15 A.

2017

---