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Variable Speed Drive

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**Variable Speed Drive**

What is Variable Speed Drive?

A Variable Speed Drive (VSD), also known as a Variable Frequency Drive (VFD) or Adjustable Speed Drive (ASD), is a type of motor controller that drives an electric motor by varying the frequency and voltage supplied to the electric motor. VSDs are used in a wide range of applications, from small appliances to large industrial machinery, to control motor speed and torque, improve energy efficiency, and reduce mechanical stress.

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