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 the advantages and disadvantages of thermal power plant?

0 Answers  

Whether the LIGHTNING is AC or DC?

9 Answers   Bhel, IEEE,

what is basic difference between the normal tube light choke and electionic choke ?

4 Answers   Amaron,

What are the advantages and disadvantages of the dc motors?

0 Answers  

why induction motors are of lagging type and not leading type

9 Answers   Bhel,

I am mechanical engineer,I need Training in Electrical & Electronics ( i.e. three days workshop training ) Where will I get the same Please suggest?

2 Answers  

what is diff between Ground/Earth & Neutral?

4 Answers  

Do you have any P.L.C in your organization?

12 Answers  

In brushless excitation system how generator field current is measure even if the slip rings are absent?

3 Answers   Adani,

Why did lightening arrestor solid copper rod head is sharp on mobile tower top?

0 Answers  

do we people experience any shock if we catch any one of the three phases (R Y B)in air with out touching ground.

7 Answers  

how many maximum nos of add on contact we shd provide on 4 no contactor

1 Answers   Accenture,