Answer / gangadhar

in tractoions dc series and separatly excited moters are
used

Answer / guest

both ac$ dc

Answer / ankit

its single phase ac.. with frequency 50/3 Hz...

You can find it written on any delhi metro track... :)

Answer / varma

AC 25 KV 1 PHASE SUPPLY

Answer / amit

to overcome losses dc is transmitted but in electric locomotive it is converted into ac and feed to induction motor which is controlled by VVVF and EMF injection method

EXPLAIN METOD OF IMAGE OF TRANSMISSION LINE/ WHAT ARE ITS PRACTICAL APPLICATION?

0 Answers   Coal India,

1. Synchronization is not required A. Thermal B.Hydel C.Wind D.Nuclear

2 Answers   APGenco, Birla Power,

What is the make of breakers, transformers, generators? What are their capacities and ratings?

4 Answers   Bharat Bijlee, GHPPL, Tata Motors,

What is the distance b/w R&Y phase in 33kv T.line,11kv &440v

1 Answers   NTPC,

What is x/r ratio?

1 Answers  

what is the difference between synchoronous and alternator and induction motor and generator

2 Answers  

working method of railway electricl loco in single wire 25000 volt

1 Answers  

Why power factor does not occur in DG set ?

6 Answers  

why in an industry; machine having rated 200 h.p stopped after power factor is maintained above 0.97 lag by control panel in view-of energy saving

0 Answers   HCL,

what is difference between start imitation and start interlock for 3 phase motor protection ?

2 Answers   OPS,

What is excitation in case of dc motor?

0 Answers  

what is the working principle of tube light?

2 Answers