Diesel Generators – Their Features, Benefits and Drawbacks

Diesel Generators

Also known by the name of a diesel genset, a diesel generator is basically a combination of an electric generator with a diesel engine used for the purpose of generating electrical energy. This type of generator is used to provide electrical power to different machines and engines, and hence they are also known by the name of engine-generators.

Usually, diesel fuel is used to run a diesel compression ignition machine, however there are different other types of these engines available, which can be run with the help of natural gas and different other types of liquid fuels.

A diesel generator is often used at places where connection to an electrical power supply is not available. Besides, they are also used as a source for supplying emergency power, if there is any failure in regular electrical power supply.

Besides, these types of generators are also used for different other types of complex applications, like grid support, peak-looping, and also for providing support to power grids.

The size of the generator is very important in order to ensure that issues related to low load can be avoided, as it can lead to shortage of power in times of need. As far as the size of these generators is concerned, it all depends on the capacity of the machine, as it can range up to 50 MW and even more. 

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What Are the Benefits of Using A Diesel Generator?

There Are Various Reasons as To Why Diesel Operated Generators Are So Popular. Here Are Some of The Different Benefits That They Have to Offer: 

  • As opposed to generators run by petrol, diesel gensets come with improved fuel efficiency. This means that they can run for a long period of time while generating the same level of power as a petrol generator in less fuel. Some of the advanced generators consume half the amount of diesel when compared to the petrol generators.
  • Diesel is cheaper than petrol. This means that the running cost of diesel gensets is much less compared to that of petrol ones.
  • Compared to the petrol generators, the ones which are run on diesel require very less amount of maintenance cost. Due to the fact that there are no carburetors or spark plugs present in the diesel gensets, they help to save a lot of cost on maintenance. In order to ensure that the generator is up and running, all that is required to be done is to change the oil on a regular basis.
  • As far as longevity is concerned, a diesel generator lasts for much longer period of time as opposed to the petrol ones.
  • Diesel is considered to be a much safer fuel, as there is very little risk of ignition, unlike petrol.
  • Since a diesel genset does not have carburetors or spark plugs, they remain light in weight, and as a result, they can be easily carried from one place to another.

So, these are some of the benefits that diesel fueled generators have to offer. Apart from these, there are various other features of these machines, which make them the ideal option for generating power rather than their petrol operated counterparts. 

Drawbacks of Diesel Generators

There Are A Couple of Cons, Though Negligible, Which Can Be Associated with Diesel Operated Generators. They Are as Follows: 

  • Increased noise level
  • Expensive repairing and servicing
  • Less environment friendly, as their volume of emission is more

Despite some of these drawbacks, diesel generator is the best option available for generating power when needed. Since they are easy to operate and they have more capacity to generate more power within a very short span of time, they have become so popular over the years.


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