Speed controlled operation

Speed control by means of a frequency converter is without no doubt the most efficient way of adjusting booster pump performance exposed to variable flow requirements. The speed control method results in a new Q/H curve at reduced head and flow.

The characteristics of the curves remain the same. However, when speed is reduced the curves become more flat, as the head is reduced to a higher degree than the flow.

For example, if the flow is reduced by 20%, the motor’s power consumption falls to 65% compared to the original consumption.  





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