VSD-Variable Speed Drive in Sydney, New South Wales
VSD-Variable Speed Drive
Variable speed drives (VSDs), sometimes known as adjustable speed drives (ASDs), are devices that allow a typically fixed-speed motor to be varied in speed. They are generally utilised in HVAC systems to regulate fans in variable air volume systems rather than other devices like inlet vanes and discharge dampers.
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What is VSD and how it works?
A VSD converts a fixed-frequency incoming electrical source into a variable-frequency output. This fluctuation in frequency allows the drive to manage the motor's operation, with a lower frequency for slower speeds and a higher frequency for quicker speeds.
Types of variable speed
Variable speed drives are divided into three categories: DC motor drives, Eddy current drives, and AC motor drives. Different variations exist for each type of variable speed drive. An electric motor and a speed control device will be included in every variable speed drive system.
