VFDs

VFD (Variable Frequency Drives} control the speed of a motor, but they do so by changing the voltage and frequency and can thus only be used with AC motors. VFDs can vary speed control at start-up, during the run, and at motor stop. VFDs are mainly used in three different kinds of systems, which are AC motor controllers, driver/operator interface, and speed control.

Applications

• Conveyer systems
• Pump Speeds
• Blower Speeds
• Pharmaceutical Industry
• Gas Industry

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FAQ

Q: What is the difference in VFD (variable frequency drive) and VSD

(variable Speed drive)?

;A: Variable speed drive refers to AC and DC drives whereas the variable frequency drive only applies to AC motors.

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