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All about generators and their filtration
All about generators and their filtration
Products

All about generators and their filtration

17.01.2023

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In the face of energy supply difficulties, generators allow you to be self-sufficient in electricity. A generator (also known as an electrical generator) is a self-contained motorised device capable of transforming mechanical energy into electrical energy. A suitable solution for places not served by public electricity (e.g. on building sites) or in the event of a power cut, generators are used by industry, strategic private or public establishments (hospitals, military bases, banks, data centres, etc.) or private individuals.

What are the different types of generators?

There are several types of electric generators. The fuel is a distinguishing feature. Usually equipped with an internal combustion engine, with the exception of solar-powered (ecoflow) models, an electric generator runs on petrol, diesel or gas.

Gasoline generators

More compact than diesel generators, these models are easily transportable. Dedicated to occasional use, they supply a single-phase current, their power is lower than that of diesel generators.
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Diesel generators

Designed for professionals and industrialists, diesel generators meet specific requirements. Suitable for intensive use, their power can reach several thousand kVA. They deliver a single-phase, three-phase or mixed current. The three-phase current is three times higher than the single-phase, which is suitable for powerful and energy-consuming professional equipment.
These self-contained electric generators are capable of running for several hours without interruption. In the event of a power cut, some models are activated immediately by an automatic start-up device.
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Gas generators

With the same filtration as diesel generators (except for the fuel filter), gas generators are powered by a propane gas cylinder or directly by a gas network. The main difference? The engine system of these electric generators is protected from the risk of fuel degradation. The gas, stored for a long time in the tank, does not degrade over time, unlike petrol or diesel. Another distinction is that propane can withstand temperatures down to -44°C. These electric generators are therefore particularly suitable for cold environments.
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Maintenance of generators

Why maintain a generator? An electrical generator is vital for many institutions, depending on an uninterrupted source of electricity. Without this power supply, the risk of complications for these organisations is high. With regular maintenance of your generator, your power supply is secure and breakdowns are avoided.
A generator can also be a significant financial investment. Careful maintenance extends its life and pays back your purchase.
The recommended maintenance frequency should be in accordance with the manufacturer's recommendations. It is generally between 250 and 500 hours, depending on the conditions of use (in particular the climate) and the quality of the fluids (fuel and oil).

Generators and filtration

Electric generators with a heat engine include many filters. Each plays a major role in maintaining the engine system. This filtration ensures optimum performance and longevity of your equipment. Whether for petrol, diesel, gas, single-phase or three-phase generators, HIFI FILTER® provides you with the filters necessary for their maintenance.
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Air filters

The air filter protects the engine system by retaining particles in the air. This filtration prevents premature wear of the parts and thus ensures the longevity of the engine.
At HIFI FILTER®, we adapt to the working environment and the air flow of your generator set. Among our models, some are weather resistant, others are adapted to enclosed or outdoor generators.
Find out more about our entire air filter range here.
💡 Installation precaution: the exhaust pipe outlet must not be placed near the air filter at the risk that the generator set sucks in its own exhaust gases and clogs the filter prematurely
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Fuel filters

The fuel filter removes impurities from diesel or petrol.
Some filters also separate the water present in these fuels as a result of condensation. For more information on this type of contamination, click here.
Our HIFI FILTER® catalogue includes complete pre-filters and fuel filters for a wide range of models.
Among this range, the water separating filters offer a double decontamination of your diesel. Some of the multiple models (mounted in duo or trio) are also equipped with a valve to isolate the housing during maintenance. The generator remains in operation, avoiding power cuts during the operation.
Want to know more about our fuel filters? Click here for more information. You will also find our range for LPG.
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Oil filters

The oil filter captures pollutants in the oil, the fluid that lubricates the moving parts of the engine, and ensures the engine's longevity and performance. Without clean oil, engine damage would be irreversible.
Want to find out more? Click here.
💡 Maintenance tip: Check the oil level of your generator regularly. Change it at every maintenance.
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Engine ventilation filters

The engine ventilation filter is installed on powerful diesel or gas generators. It separates the oil from the combustion gases. The oil is redirected to the crankcase and the air purified in the air intake manifold.
To find out more about the important role of the engine vent filter in the engine system, click here.
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Coolant Filters

A high-performance coolant filter keeps the fluid clean by capturing impurities. It also distributes an optimal level of additives (DCA/SCA) to the engine system. Its purpose is to prevent engine overheating and to protect against cavitation.
To learn more about coolant filters, click here.
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“If you have any further questions about the filtration of generators, please contact us!“

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