Commissioning VFDs and Their Systems

Sellers, David A.
January 2007
Heating/Piping/Air Conditioning Engineering;Jan2007, Vol. 79 Issue 1, p102
The article evaluates the functions of variable-frequency drive (VFD) in a chilled water system. It explains the mechanics of VFD in heating, piping and air conditioning systems. It describes the procedures for evaluating the components of a VFD serving a condenser-water system. The precautions for evaluating VFD are explained. INSET: Errors Are no Laughing Matter.


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