Archive for December 2011

Variable Frequency Drive and the Affinity Law

What is affinity law?

Affinity laws are applied in centrifugal loads. Centrifugal loads such as pump, compressor, fan, hydraulic system and the like. This is a well settled scientific law that was discovered long time ago but not widely used until advent of

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Knowing Vampire Loads



Study shows that many homes have been visited by vampires for at least once a day. This is not a vampire that sucks blood but these are devices

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