how calculate gd2 of ht motors

4 Answers   Hindustan Copper Limited, Kohler India,

---

why we provided electrical earthing?

5 Answers   CPCL,

---

1)we r having one problem .one dry type transformer(6.6KV/433V)is taking high magnetizing current on delta connected HV side of "U" phase when compared to other two phases.could any body tell the reason why it is happening? 2)why CT secondary side protection core has got higher winding resistance when compared to that of metering core of same CT?

2 Answers  

---

What is meant by positive and negative feedback?

0 Answers  

---

How isolater function when installed inelectrical 440V wiring

0 Answers  

---

I want to know the 'Test voltage' for Tandelta testing of 3.3 / 6.6 / 11 KV Motors. Please explain

0 Answers  

---

Draw the wave shape of armature current in a generator subjected to a sudden three phase short- circuit at its terminals. Define various reactance of generator from this wave shape.

0 Answers   VECL,

---

Why the transformer rating is denoted in VA rating why not in KW

7 Answers  

---

there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit

0 Answers  

---

How to make two bulbs glow Alternatively?

2 Answers  

---

Why the tank of transformer is made rectangular not circular??

9 Answers  

---

How to increase the specific gravity of DG batteries?

5 Answers   SCS,

---