Brief description of a variable frequency (PWM) drive. A discussion on the mechanical and electrical advantages, including the energy savings and payback advantages. Power quality issues as it relates to VFD's with reference to a study by EPRI in 1996. Proper wiring methods for power and control wiring, as it relates in the U.S. and foreign countries utilizing CE guidelines.

01-07: Cooling Towers and VFD's


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    Cooling Technology Institute
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    Houston, Texas 77268

    Cooling Technology Institute
    3845 Cypress Creek Parkway
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    Houston, Texas 77068