Answer / narasimman

to reduce cost of the conductor & reduce the conductor
losses.

why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?

2 Answers   QRG Health City, Siemens,

---

What is Delta Connection? What is meant by Forward Delta & Reverse Delta & How Will be the Connection in Power Transformers?

0 Answers  

---

Do Phase angle measurement have any application in freq/harmonics measurement? If so how?

0 Answers  

---

In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???

0 Answers   RRB,

---

6 MVA transformer secondary is rated for 725V at no load. The incommer ACB is rated at 690 V, 3200 Amp. Would there be any effect on performance of ACB due to lower voltage rating?

5 Answers  

---

what is the diff. between x'mer , isolation x'mer & ultra-isolation x'mer ?????????????

0 Answers   ABB,

---

plz tell me about for how many rating (for 500kva)how much current taken?

13 Answers  

---

What is d diff. btw MCB & MCCB???

1 Answers   Emerson,

---

in traction which type of supply are used

15 Answers   APGenco, Construction,

---

why open-delta core of 11kv Potential Transformer is 11000v/1.732/110/3?

1 Answers  

---

what would happen nif we increase or decrease the capacitor of a flood light.

1 Answers  

---

1)how many types of earth? 2)how many types of megger and how to select that range? how much time taken for megger calibration( we r using megger)

1 Answers  

---