Answer / dj

This phenomenon correct
only for synchronous motor
when it is over excited it acts
like an alternator.

plz tell me Motor IP formula

0 Answers  

---

what is diffrence between primary & secondry transformer?

3 Answers  

---

Is it possible we are step down 11 kv to 230v ?

2 Answers   Fedco,

---

what is mean by harmonics?Type of harmonics?

6 Answers  

---

compressor compresses air means exactly what happens?

2 Answers  

---

what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

0 Answers   Jindal,

---

why the three phase transformer's star point does not sparks or seperated? while we often see that two phases touches each other it sparks and ocationaly conductor breakes out.

4 Answers  

---

How to see the inductance in a transmission lines

0 Answers  

---

For Synchronisation of DG Sets Sometimes we people use NIC (Neutral Isolation Contactor) Instead of 4-pole ACB or any switchgerar..Please guide me why is it so????

4 Answers   Piramal Glass Limited,

---

why DG battery blast

2 Answers  

---

Why a transformer is rated in kVA and not in kW??

9 Answers  

---

i am going to attaned the engineer (disign)iterview at HAL please give me duid line

0 Answers   HAL,

---