The force produced by a shaker is proportional to the product of the field current and armature current. As the field current reduces, the armature current must increase to maintain the same force level. This means that there is an optimum operating point of minimum energy consumption in the system for any required force rating which can be achieved by correct balancing of the field current and armature current.
This technique is equally applicable to water-cooled shakers and IMV offers its range of ECO Systems for both air-cooled and water-cooled shakers.
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