
There is really only one key difference between fixed speed and variable speed drive ; Variable speed drive (VSD) rotary screw air compressors are an increasingly popular choice for companies seeking to reduce energy costs and qualify for energy company incentives. How do you know if a VSD air compressor is right for you? Learn the benefits of VSD, when to use a VSD vs. a fixed speed compressor, and why you may want to consider using both. What is a Variable Speed Drive Air Compressor? A variable speed drive (VSD) controls the frequency supplied to the drive motor on the air… Read more »