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Every variable frequency drive (VFD) on the market has an input rectifier. Every variable frequency drive on the market creates harmonic currents. Active rectifiers are used in active front end VFD drives to reduce the harmonic currents with the emphasis on reduce, not eliminate. Almost every variable frequency drive uses switching elements in the output to create a PWM output pattern that causes a sinusoidal current to flow in the AC motor. As such, the potential for EMC and EDM is high with all variable frequency drives. Before you argue the merits of variable frequency drives (VFD), you need to get a better understanding of some of the fundamentals that we are referring to.

Business type: manufacturer, wholesale supplier, exporter, electric utility
Product types: wind energy system components (large), energy efficient appliances, energy efficient homes and buildings, packaged power systems, power conversion equipment, water pumps.
Service types: installation, engineering, project development services, maintenance and repair services
Address: 1536 Kebet Way, Port Coquitlam, British Columbia, Canada V3C 5M5
Telephone: 604-421-2620
Web Site: http://www.variablefrequencydrive.org
E-mail: Send Email to Variable Frequency Drive