HVAC Systems Encyclopedia

A comprehensive encyclopedia of heating, ventilation, and air conditioning systems

Variable Speed Technology

Components

  • Variable Frequency Drives Motors
  • Pulse Width Modulation
  • Vfd Efficiency Curve
  • Inverter Driven Compressors
  • Electronically Commutated Motors Ecm
  • Permanent Magnet Motors
  • Motor Efficiency Classes
  • Ie1 Ie2 Ie3 Ie4 Ie5 Motors
  • Premium Efficiency Motors
  • Affinity Laws Energy Savings
  • Fan Power Reduction Cubic Relationship
  • Pump Power Reduction
  • Vfd Harmonic Distortion
  • Vfd Power Factor