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What is the difference between air cooled and water cooled diesel generators?

What is the difference between air cooled and water cooled diesel generators?

The air-cooled one uses wind as the cooling medium, and the wind is used directly to cool the diesel generator, and the water-cooled uses water as the cooling medium, and then the heat dissipation water tank and fan are used to dissipate heat. Both functions are to dissipate heat in the air. There is not much difference in use, but air-cooling is suitable for plateaus or places lacking water or cold, and there is no need to consider water addition, boiling point, freezing and other issues; when water-cooling is used in plateaus, the boiling point of water is lower, and the cold places are It is easy to freeze when shutting down, but the boiling point and freezing point can be improved by adding a certain proportion of additives. In addition, the heat transfer performance of water is better. In fact, there are basically no restrictions on environmental conditions in their use.

The biggest advantages of air-cooled units are simple structure, easy maintenance, low failure rate, good starting performance, less air required, easier to achieve closure, high thermal efficiency, low fan power consumption, low fuel consumption, no freezing cracks or overheating boiling Dangerous, but limited by thermal load and mechanical load, the power is generally relatively small. The water-cooled system is the problem of diesel generator set which accounts for more than the total failure ratio. The biggest advantage of water-cooled generators is high efficiency, fast cooling, and at the same time, the power conversion rate of the body itself is improved.