What are the advantages and disadvantages of electric traction system?

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 are the advantages of electric traction?

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 are the advantages and disadvantages of traction?

Traction Advantages and Disadvantages

The ride in a traction elevator is also smoother. The traction system is also more energy-efficient as the counterweight balances the car load, whereas the hydraulic system needs to push the car against gravity. The principle disadvantage of the traction lift is its cost.

What are the disadvantages of diesel electric traction?

As compared with an electric locomotive, however, the diesel-electric has an important drawback: since its output is essentially limited to that of its diesel engine, it can develop less horsepower per locomotive unit.

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Why electric traction system is better than non electric traction system?

Advantages; Fewer substations are required. Lighter overhead current supply wire can be used. Reduced weight of support structure.

What are the disadvantages of traction?

The disadvantages are as follows:

  • Procedural sedation is typically required; accordingly, this method usually is not the initial method of choice.
  • More than one operator is required.
  • This reduction requires prolonged force and endurance.
  • Equipment is needed.

What is the main disadvantage of electric drive?

Disadvantages of Electrical Drive

The application of the drive is limited because it cannot use in a place where the power supply is not available. It can cause noise pollution. The initial cost of the system is high. It has a poor dynamic response.

What are four advantages of traction drives?

Primary Advantages of the Traction Drive

  • Smooth rolling contact allows for negligible transmission error.
  • Eliminates speed irregularity inherent in gear transmissions.
  • Great fit in application where the angular velocity ratio is important.

What is meant 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 is the advantage of a diesel-electric locomotive?

The diesel-electric locomotive offered many advantages over its steam-powered counterpart. It needed less maintenance, used less fuel and could be operated with a smaller crew. It also didn’t require expensive support structures like roundhouses, coaling towers and water tanks.

What is diesel electric traction system?

Diesel Electric Traction System is employed both for locomotives and motor coaches. As in electric traction, the locomotives are used in main line traction. … It is employed at about its most favourable value of constant speed and power is transmitted to the driving wheels using either electric or hydraulic transmission.

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What is diesel electric traction?

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.

What is traction system?

The traction system is a component of the train. It is a system installed on the roof or underneath the train. The traction system converts the electrical energy, collected from the catenary via the pantograph, into mechanical energy, thus enabling the wheels to turn and, therefore, the train to accelerate and brake.

What is difference between electric and non-electric traction system?

The traction system can be classified as non-electric and electric traction systems. A traction system that doesn’t use electrical energy for the movement of vehicle at any stage is referred as non-electric traction system.

What are the disadvantages of 25 kV AC traction system?

1. Single-phase ac system produces both current and voltage unbalancing effect on the supply. 2. It produces interference in telecommunication circuits.

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.