Why one side of secondary of transformer is earthed, to supply single conductor of electric traction system?

1 Answers  

---

What are protection of transformer on HT side & on LT side?

4 Answers  

---

what is the importance of earthing system on the generators big capacity and small?

0 Answers  

---

what will happen when a electric bulb is connected between two phases.it will glow or not

18 Answers  

---

what is High resistance grounding and whatis the criteria for the selection of High resistance grounding

1 Answers   MAHINDRA,

---

What is the difference bet ween EDO Type & MDO type ACBs, and what is the advantage EDO Type over than MDO type ACBs.

2 Answers   Siemens,

---

A 11 KV motor is working. if the supplay is fail. what will happened with it's breaker? Trip / remain the same condition?

4 Answers  

---

what is the different between counterpoise earthing and pipe earthing?

1 Answers  

---

what is different between earthing and grounding for a electrical eqipment ?

2 Answers   BARC, Omega Maritime,

---

Is there any relation between transformer capacity and its bdv?

1 Answers  

---

what is the std. earthing resistance for 440V system or m/c, 33000/440 Volt substation? What is the std.?

2 Answers  

---

what would happen if reactive power (kvar)is increased (more)or decreased (less)? how much exact reactive power should be maintained? and what should be done for that

0 Answers   ABB, Siemens,

---