What is the supply system for electric traction?

The system which use electrical power for traction system i.e. for railways, trams, trolleys, etc. is called electrical traction. The track electrification refers to the type of source supply system that is used while powering the electric locomotive systems. It can be AC or DC or a composite supply.

How does an electric traction system work?

Electric traction allows the use of regenerative braking, in which the motors are used as brakes and become generators that transform the motion of the train into electrical power that is then fed back into the lines. Most systems have a characteristic voltage and, in the case of AC power, a system frequency.

What are the advantages and disadvantages of electric traction?

This is non-electric drive mostly used for road transport. Main advantages of the drive are low investment and flexibility of the routs and have the disadvantages of low overload capacity, uneconomical operation, high maintenance cost and short life.

What is electric traction system and also write down the advantage and disadvantage of electric traction system?

The electric traction system is the most efficient of all other traction system such as steam and internal combustion (IC) engine type systems. It offers several benefits over other systems, including quick start and stop, very efficient, pollution-free, easy to handle and easy speed control.

What do u mean by electric traction?

Introduction: By electric traction is meant locomotion in which the driving (or tractive) force is obtained from electric motors. It is used in electric trains, tramcars, trolley buses and diesel-electric vehicles etc.

What are the advantages of traction?

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Which is more preferable AC or DC?

Answer: Ac is more preferred than dc because it is easy to maintain and change the voltage of ac for transmission and distribution purpose. Plant cost of ac transmission is much lower compared to dc transimission. When fault occurs it is easy to interrupt ac supply.

Which current is used in railway?

alternating current
Railway electrification systems using alternating current (AC) at 25 kilovolts (kV) are used worldwide, especially for high-speed rail.

Which motor is used in electric traction?

DC motors are used on trains is because of their high torque and good speed control. Compared to AC motors, DC motors can provide industry applications with a fine balance of strong starting torque and controllable speed for seamless yet precise performance.

What do you mean by Railway electric traction?

Railway electric traction. Railway electric traction describes the various types of locomotive and multiple units that are used on electrification systems around the world.

What are the different types of traction systems?

The following are the two types of non electric traction systems. Steam engine drive based vehicles (used for railways) Internal combustion (IC) engine drive based vehicles (used for road transport) Electric traction involves the use of electricity at some stage or all the stages of locomotive movement.

How does a single phase traction system work?

The Single phase systems consist of 11 to 15 KV supply at 16.7Hz, and 25Hz to facilitate variable speed to AC commutation motors. It uses step down transformer and frequency converters to convert from the high voltages and fixed industrial frequency. The Single phase 25KV at 50Hz is the most commonly used configuration for AC electrification.

How is composite system used in electric traction system?

Composite System (or multi-system) trains are used to provide continuous journeys along routes that are electrified using more than one system. One way to accomplish this is by changing locomotives at the switching stations. These stations have overhead wires that can be switched from one voltage to another.

What is the supply system for electric traction? The system which use electrical power for traction system i.e. for railways, trams, trolleys, etc. is called electrical traction. The track electrification refers to the type of source supply system that is used while powering the electric locomotive systems. It can be AC or DC or a…