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trains run on ac or dc??
if ac or dc what are the advantages and disadvantages?????
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Answer Posted / ganesh.a
in india trains run on dc power and diesel,
trains can also be run in ac power.
eg: linear induction motor is used in high speed trains in
foreign countries which uses 3 phase ac power.
if ac
adv
no need of converter equipments
can be used for long distance with less cost
disadv
losses will be there
inductance, capacitance effect is there
more conductors needed
if dc
adv
losses wont be there
less no of conducters needed.
disadvan
it needs more cost for long distance
if there is a fault in on converter station
entire transmission will be affected.
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