Answer Posted / kanav sharma

the main difference is that ground refers to a particular point dug deep inside the earth whereas earth refers to simply normal earth i.e wire touching earth is said to be earthed but to ground it we have to connect it to the ground point

how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc

1825

---

How do you determine the size of transformer radiators in a transformer?

1911

---

list of tests to be carried out at manufacturers end while purchasing a step up transformer of 11kv to 66kv ,2MVa Capacity.

1967

---

for what voltage will reactive power be largest in 380 kv line : a) 375kv b)380kv c)385kv

1466

---

Why we find the sensitivity for the CT's to check?

1841

---

A 11KV, 1200 A breaker combination fixed in a cubicle for HT motor.Is normally for 11 KV motor fuse is using? if Yes, What range fuse is required?

1949

---

Why front mounted CT polarities are always towards breaker?

2014

---

why using transformer and thyristor switch in 3 phase apfc panel

2860

---

high voltage transformer input voltage,current and amps rating..distributed transformer input voltage,current and amps rating...

1994

---

difference between high and low impedance BUS BAR relay??

1605

---

how the CT and PT is connected in the circuit during testing of transformer explain with diagram

2000

---

What is different between Difnit time and instatous over current relay

2529

---

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 ")

1937

---

what is the relationship between current&voltage in practical purpose ?

5003

---

What are the transformer losses?

1141

---