Understanding Electrical Traction System Types

Electrical Traction System  – An Introduction:

Propulsion of vehicle is called the traction. The traction system is broadly classified as

  1. Electric traction systems
  2. Non- Electric Traction Systems

Electric Traction Systems:

The traction system which uses the electricity at some stage is called as Electric traction systems.
Ex. Diesel-Electric drive battery electric driver and straight electric drive

Non Electric Traction Systems:

The traction system which does not use the electricity at any stage is called as non electric traction system.
Ex. Steam engine drive, Internal Combustion engine drive.

Electrical Traction System Types:

  1. Steam Engine Drive
  2. Internal Combustion Engine Drive
  3. Internal Combustion engine Electric Drive
  4. Battery Electric Drive
  5. Straight Electric drive
  6. Steam Engine Drive

Steam Engine Drive

This drive is most widely used in railway work. In this type of drive reciprocating steam engine is used for getting the necessary motive power.

Internal Combustion Engine Drive

It is a non electric drive, mostly used for road transport.

Internal Combustion engine Electric Drive

In this system the diesel engine is coupled to a DC generator and the speed of the diesel engine is maintained constant. in this type, the reduction gear and gear box are eliminated.

Battery Electric Drive

In this drive, the power is supplied to dc motors driving the vehicle by a bank of batteries. These batteries are kept in the vehicle. The battery electric drive is used in mines, ports and large factories.

Straight Electric drive

In this type of traction system the electric motor gets electrical energy from the overhead distribution system. This type of drive is most suited for underground and tube railways because of absence of smoke and spark.

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