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VFD recommendations variable frequency drive.
General guidelines for design of VFD controlled pump systems. Explains the basic principles of a VFD, how the system is affected by variable speed. Other technical aspects such as running above nominal frequency, cooling, clogging, use of filters and shielded cables etc. are also covered.
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Economical aspects of variable frequency drives in pumping stations.
Compares energy consumption for VFD controlled systems vs. ON-OFF controlled systems.
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Engineering
(436 KB)