MAINTAINING CONSTANT PRESSURE

摘要

Technological advances in soci-ety have made everything seem easier to accomplish with the push of a button. The latest example of this is smart-phones, literally mini computers that fit in the palm of your hand. Variable frequency drives (VFDs) are no different. Advancements have been made over the years, but the principle behind them is still the same. VFD-based constant pressure systems work by changing the speed of the motor based on demand.