Answer / pillay

Dedicate means devoted.That means an earthing specially done
for one particular purpose.For example an earthing system
is made just to earth the generators neutral and another for
the frame so there are two dedicated earthing.

Answer / bharani

Dedicated earthing means, providing earthing seperately for
one particular equipment and here you are not supposed to
connect other equpment earthing points to this earth pit.
This is used for very sensitive equipments.

Whats the minimum value for I.R. that can be allowed for HT & LT alternators for operation?

1 Answers  

---

How we calucate of DC moter I/AMP?

3 Answers  

---

What will happen when a DC series motor suppllied by an AC source ?

2 Answers  

---

how to calculate the chiller load from TR to KW?

0 Answers  

---

How Can we calculate current carrieng capacity of Copper Bus-Bars and Alluminium Bus-bar

2 Answers  

---

what is the purpose of NGR?

25 Answers   Assam Electricals,

---

How can we measure the frequency of a rotor running in full load condition? Explain the method of measuring.

2 Answers   Wipro,

---

What is the resonant peak?

0 Answers  

---

Why we use auxillary relay ? what is function of differential relay, directional o/c relay?

0 Answers   Century Rayon, Mechanical,

---

what is the working principle of soft-starter & how it diff. from VFD ?????????

5 Answers   L&T,

---

In the magnetic fluxes, what is the role of armature reaction?

0 Answers  

---

1 amp means-how many electron flow per second. ?

2 Answers  

---