why the neutral of power transformer is always earthed?

1 Answers  

---

why we use condenser in the thermal power plant, althrough the same vapour will be again heated

2 Answers  

---

in india are trains run by DC or AC? if DC , from where it receives negative potential? because pentograph receives singe potential only?

2 Answers   GATE, PSU,

---

What is grid collapse? what is the reason for it?

0 Answers  

---

What is the IS standard for MCCB to be use (As per capacity of AMP)& for ACB also.

0 Answers  

---

can we use existing 6300V alternator for generating 6600V by increasing excitation,what are advantages & disadvantages to alternator & motors of 6600V.

1 Answers   GMR,

---

why any normal motor have to provide star & delta winding distribution during starting?

4 Answers  

---

What Should be the rating of transformer used in 33KV substation?

3 Answers  

---

Can anyone please provide me details of MCCB/Contactor/SFU rating calculations for a motor feeder..for example 50 kw.. not from type-2 cordination chart. i want manual calculations..

0 Answers  

---

What are the temperature elements?

0 Answers  

---

WHAT IS VCB SAFETY

0 Answers  

---

Why we get neutral from EB department, if not what will happen if we use earth instead of neutral? what is the result at the time of monsoon or rain with thunder and lighting ?

1 Answers  

---