Answer / maruth sk

Electrical earthing is a low resistance path that directs fault current into Earth

what is MAR

1 Answers   NCC,

---

types of arc quenching methodes

2 Answers  

---

what is the function of series reactor

3 Answers   Adhunik, INOX, RMSI,

---

why we step/down voltage in multipul of 11kv?

4 Answers   Siemens,

---

can any tell me why slope 40% and 80% is calculated in differential protection?

0 Answers  

---

How is earthing done in Aerospace applications such as Flights and spaceships..?

1 Answers  

---

what is safety measures of alternator.

10 Answers   HP, MNC,

---

I have three phase 400 KW,390 A MOTOR.For this motor which type of Cable is required....specifically rubber cable required. Can anyone help me..

5 Answers  

---

if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.

0 Answers  

---

I have recently seen a transformer which had two primary terminals and was connected between two lines,i would like to know what kind of transformer is it?short discription about it,any advantages,purpose of usage of the same.............

8 Answers  

---

what is the unit of electricity????????????

4 Answers  

---

What is excitation?

2 Answers  

---