Variable Frequency Drives or VFDs | Energy Efficiency
Variable Frequency Drives VFDs | Energy Efficiency - In HVAC variable frequency drives add energy efficiency and precise control for fans and pumps. The VFDs offer demand control for airflow and water in chilled water systems, hot water systems, and air handling systems. Additionally, they are used to control airflow in a variable air volume system. More on how VAV boxes work.
VFDs require inverter duty motors and variable frequency drives can be purchased for three-phase and single-phase applications although the vast majority of variable frequency drives are used in commercial three-phase applications. (more…)
