Answer / nishad

My question is Why Earthing is not required in Xformer
primary star point of Star / Star connection????

Answer / k.prakashchandra

Eatrthing primary neutral of star/star Tr at the receiving
end is of no use for protection and safety . At sending end
neutral is earthed and it is sufficient.

whats the advandage of PMG in alternator?

2 Answers  

---

I HAVE BEEN SELECTED FOR APGENCO A.E(ELECTRICAL) 2008.HOW MUCH WEIGHTAGE FOR INTERVIEW AND WRITTEN TEST.HOW I HAVE TO PREPARE. PLEASE GIVE INFORMATION IF U KNOW.WHAT ABT G.D THIS TIME.CALL RATIO 1:2

0 Answers  

---

if voltage is not builed up in small generator what will be the reason?

7 Answers   century,

---

How calculate the Transformer Impedence With Example

3 Answers  

---

How many types are using in 220kv/400 kv swith yard

0 Answers  

---

In my project i am layout cables under the Maintainance bay /Maintainance yard in the TG Building. Whether in this route i can lay the H.T.Cables??? i am taking all H.T cables from the H.T Transformer to the TG Building..

1 Answers  

---

How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?

0 Answers   HAL,

---

how to amps calculate from 1KVA?

11 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  

---

sometime battery charged and then automatically charged when rectifier ON conition, is there any chances please clarify the same.

1 Answers  

---

What is the need of generator relay panel

0 Answers   Newell,

---

what is diff between Ground/Earth & Neutral?

4 Answers  

---