How the electric train gets the supply of electricity? What
is the return path of the current?

Answer Posted / baskaran.r

now the supply for traction is 25KV AC.connected through
pantograf. this supply is given to an onload tap changing
transformer with a secondary voltage of 800v. this through
semiconductor devices converted and applied to traction
motor. the return path is the rails through brushes in the axils

Is This Answer Correct ?    26 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is metering cum synchronizing panel and how it is used?

4004


from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

1583


Why is the air gap between the pole pieces and the armature kept very small?

909


What is mean by STUB protection?

1584


for 750 kw LT load what will be the ht kva

1255






Can we convert off line transformer to on line transformer

1485


What is notching in dc machine?

1524


how to know the diffrential relay setting of 06mva step- down (delta-star)transformer?

1537


regarding safety what would u consider the most important rules to observe when inspecting electrical equipment?

1582


What is difference between Sample test and Routine test in safety standard?

1303


At what factor resistance r of a conductor depends?

653


How to calculate the phase to phase clearness of HT /// LT bus bar?????

1604


what are the problems that generally occur in power flows??

2568


What does the letter CTNM in negative phase sequence relay means?

1236


any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?

1636