Answer / nithi

Earthing & grounding are different.
earthing:if the outer case of the machine (electrically
isolated) is connected with the ground for the safety of
operator ,then it is called as earthing.

grounding: if the live point(neutral point-electrically
connected) of the electrical system is connected with the
ground ,then it is called as grounding.

Answer / k.prakashchandra

Ground may be taken as enclosure or body also.In
automobiles the -ve is connected to the body and it is
termed as grounded.

A 3PH MOTOR RUNNING IN NORMAL CONDITION AND ITS AMPERE ALSO UNDER ITS FULL LOAD CURRENT,ITS CABLE RATINGS ALSO HIGER THN ITS CAPACITY,BUT ITS CABLE GETTING ABNORMAL HEAT(NOT TOO HOT)WHY ITS GETTING HOT LIK THIS

2 Answers  

---

what do you know about SERVOMOTOR

4 Answers  

---

why hv winding is not placed near to transformer core

4 Answers  

---

230v 1 phase Phase and Neutral insert in Bulk water what happens.

1 Answers   IVRCL,

---

is that any software calculator to calculate the size of cable

0 Answers   JSW,

---

What is the Diff. btw Manule Pull Station & Manule Abort Station Switches used in FM200 System??

0 Answers   Emerson,

---

How Cable Size is determined for a Particular load.

4 Answers  

---

What is a slack bus?

0 Answers  

---

When i went to a interview the interviewer ask me a question for that i cant able to answer him if anyone knows answer me How will you design a capacitor bank for a plant? if my p.f is 0.6 i have to improve it to 0.9 or 1 what kind of steps i have to do? and is there any formula for calculating this?

2 Answers  

---

What is d diff. btw Online & Offline UPS???

4 Answers   Emerson,

---

WHAT IS DOL STARTER? HOW IT WORK? GIVE ITS CONTROL AND POWER DIAGRAM .

0 Answers   Bhel,

---

what is the reason for drop in freq. from 50 hz at generating side to 49.8 ,49.6 etc.at receiving side???

2 Answers  

---