Variable speed drives for water applications

ABB variable speed AC drives are used for regulating a variety of pumps, fans and compressors throughout the water cycle.

From the moment water is taken in at the reservoir or river, through water treatment and pumping, into the distribution system, back into the wastewater process and final effluent discharge, variable speed drives are an ideal way of regulating flow and pressure.

Variable speed drives can help you to make significant energy savings when compared to traditional regulation methods. For example, energy savings of 50% compared to a throttle-controlled fixed speed pump are typical, and the payback time of the additional investment is sometimes as little as one year.

Variable speed drives regulate the process according to actual demand based on inputs from flowmeters, pressure transmitters and other sensors.

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