what is the main use of ac and dc drives ? it is only used for speed variation or for power saver also?

1 Answers  

---

What is the life of MCCB

1 Answers   Siemens,

---

what effect will 10 milliampere current cause to human body ???

1 Answers  

---

what is p.s impedance measurement test in earthing transformer?

0 Answers   Greenko,

---

if transformer winding burn on dc supply then why not alternator rotor winding please post answer on y.sakhare@rediffmail.com

4 Answers   MahaGenco,

---

why not feeling shock while touching rotor shaft of induction motor during running condition? during running condition emf induced in rotor.

1 Answers  

---

how dg's working of 1000kva.

1 Answers  

---

why the supply power frequency is 50hz in india? where as it is 60hz in US?

4 Answers  

---

the circuit having same properties in either direction is known as.......

2 Answers  

---

please tell me the all the spcications of the 100MW 11KV HYDEL POWER PLANT SPECICATIONS

2 Answers   Bhel,

---

hi.. i am krishna. i've complide my diploma engg.in electrical.i applied many places for jobs.but i am always fear from written test.ican't get success in it. i think my basic engg. is weak..show me some idea please..!

5 Answers  

---

Transformer rating=> 15/20 MVA.Why there are two raings? What should be the rating of the fuse at the secondary if the voltage level is 13.8KV/4.16KV?

1 Answers   Bhel,

---