What is a variable speed drive?
A variable speed drive (VSD) regulates the speed or torque output of an AC electric motor. There are several different names that variable speed drives are commonly referred to including: frequency converters, variable frequency drives, AC drives, inverter drives and adjustable speed drives.
Why use a VSD?
There are numerous reasons for adjusting the speed of an application:
- Save energy and improve efficiency of systems
- Match the speed of the drive to the process requirements
- Improve the working environment
- Reduce mechanical stress on machines
- Lower noise levels, for example on fans and pumps
How do I chose a VSD?
Check out our other article ‘How to choose the right AC inverter drive’ for all the things you should consider when choosing a variable speed drive.
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