Question

state distination between electrical traction and diesel power traction unit ?​

Answer 1

Answer:

main reason for 25kV voltage used in railway is, that 25 kV AC more economical than 1.5kV DC voltage system. Since 25kV voltage system has higher voltage, the higher voltage reduces the current flow through conductor; this reflects to reduce the conductor size. The cost of the conductor gets less.

Explanation:

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Answer 2

Answer:

Electrical :

The system which use electrical power for traction system for railways, trams, trolleys, etc. is called electrical traction.

Diesel Power:

Diesel-electric traction represents the use of the diesel engine with the petrolelectric system of traction, both of which were invented in the 1890's.