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Information about Commercial refrigeration

Commercial refrigeration is a vital part of modern supply chains, and it is therefore important for systems to be as robust and reliable as possible. While improvements in insulation and newly developed materials have made the construction of refrigerated vehicles and casings simpler and more efficient, the technology at the heart of the system, the vapour-compression system, is based on much older developments that, while well-tested and useful, have limitations if special care is not taken.

Operating Conditions for commercial refrigeration

Because compressors work only with vapour, having too much refrigerant in a commercial refrigeration system is as bad as having too [...]

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What is a variable frequency drive?

Variable Frequency Drive

If you are running any kind of operation which involves electric motors large or small, it is likely you have already heard of the mysterious variable frequency drive. If you haven’t, it is high time you get informed because this invention can cut energy costs, increase production control and efficiency, and reduce equipment wear and tear. Read on for the full details.

What is a variable frequency drive?

The variable frequency drive, also known as an adjustable frequency or variable speed drive, is a special component of electro-mechanical drive systems which controls alternating-current motor speed and torque. It achieves this effect by varying [...]

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Variable speed compressor – most efficient cooling systems

An air compressor that takes advantage of ‚variable frequency drive‘ technology is called a variable speed compressor (VSC). This sort of compressor has a particular drive that controls the speed of the mechanism, which, as a result, will save energy. This means that a Variable speed compressor is much more energy efficient than a traditional fixed speed compressor.

A standard form of Variable frequency drive that is used widely in industry is a ‚variable-frequency drive.‘ This will alter the AC power that it receives, change it to DC and then back to AC power. This is done by using an inverter switching circuit. Apart from a reduction in energy cost, [...]

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How Hydrocarbons are used in refrigeration

Hydrocarbons are used in compressors

Hydrocarbons are a great oil-less and energy efficient solution to compression motor systems. Where it’s been used in Europe and parts of South Africa, R290 and R60 cooling systems have reportedly used a fraction of previous power consumption under the same conditions at the same location. However the concerns which come with using this solution remain strong. This can be off-putting to companies who would like to be more energy efficient and consumers who don’t want to take on the risks associated with a more combustible gas. Hydrocarbons are flammable which means there are regulations on how much can be used per area and per [...]

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