Generators are a vital part of the power system of your company, so it is important to select the correct one for your business. Many businesses used diesel generators, powered by a diesel engine as they have a reputation for being reliable and lasting a long time, saving them money in the long run. If you are looking for a new generator for your business, it is important to know what you are buying, and understand how it compares to alternative models such as natural generators. If you are wondering how long a diesel generator will last, and how to ensure it lasts for as long as possible, take a look at the information we have collected for you below.
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Do Diesel Generators Last Longer Than Natural Gas Generators?
Each type of generator has its benefits and its drawbacks. The most commonly used generator is the diesel one as it is more common, and more equipment suppliers can provide them, as well as transporting, installing and maintaining them. When it comes to longevity, diesel-powered generators do tend to last longer if we look at average usage hours. Diesel generators are kept cool using water and run at around 1800RPM, while other types of generator are usually cooled by air and run at double the speed.
One reason why diesel generators last longer on average is that they are made with more basic parts that move at a slower speed. This means that the parts do not rub together as often as they do in natural gas generators, meaning that they take longer to wear down. This will cost you less in the long run as parts will not have to be replaced as frequently. It is however difficult to put a number on exactly how long diesel generators will last for as it depends on a variety of different factors.
If we look at roughly how long each generator will last to give us a rough estimation, diesel generators will run for between 12,000 and 20,000 hours before they need major engine repairs. During this time, they do require maintenance checks to ensure that they are running safely. The length of time that a diesel generator runs is dependent on maintenance and the size of the generator, as well as other factors that we will discuss below.
Maintenance
It is important to maintain any kind of industrial equipment and generators are no different. Maintaining your generator happens in two different ways, firstly by checking through maintenance checks that the parts are in working order, and secondly by running the generator regularly. Regular maintenance checks should include oil and filter changes and performance checks. Running your generator regularly keeps the parts lubricated, uses up the fuel before it degrades and limits oxidation.
The Size of your Generator
Using your generator at 80-90% capacity allows the combustion pressure to be high enough so that the piston rings stay in place. This, in turn, increases the longevity of your generator. It is important to find the right generator size for your needs – going above 90% capacity will reduce its lifespan as the machine will be overworked. If the generator that you choose is too big, however, it can be underworked, causing a variety of problems such as wet stacking. Wet stacking describes the situation when a black liquid comes out of exhaust joints as the generator is too cold or the pressure in it is too low. The liquid can build up, leading to other problems with your generator such as poor performance, power loss, cylinder line polishing, accelerated wear and even engine wear.
To help calculate what size of generator you require for your company, you will need to look at its frequency and its voltage dip. It is also important to look at the recovery time.
Other Factors That Impact Generator Life
Not all diesel generators are built the same way, with some generators being made to a higher quality than others. The manufacturer of the generator will usually give an approximately run time so check this before making your purchase for your business. Other factors that will determine the lifespan of your generator include the size of your engine, environmental conditions, installation and parts availability.
Conclusion
While it is not possible to predict the exact lifespan of diesel generators, they do in general last longer than other generator types such as natural gas. On average, they can run for between 12,000 and 20,000 hours, depending on a variety of factors including how often it is maintained, the size of your generator and the manufacturer. If you need advice on what size or kind of diesel generator you should choose for your business, please contact us – we would love to advise you on what is best for your individual company’s needs.
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