Variable Frequency Drive

{
  "id": "MLC-T-ENV-029522",
  "term": "Variable Frequency Drive",
  "field": "Environment",
  "definition": "1. A specific type of adjustable-speed drive that controls the rotational speed of an alternating current (AC) electric motor by controlling the frequency of the electrical power supplied to the motor. VFDs are also known as adjustable-frequency drives (AFD), variable-speed drives (VSD), AC drives, or inverter drives.\n\n2. Adjustable-speed drive used on induced draft fans and boiler feed pumps to control motor speed and torque by varying motor input frequency and voltage.",
  "abbreviation": "VFD",
  "subject": "Policy and guidance",
  "references": [
    "Greening EPA Glossary",
    "84 FR 32520; Repeal of the Clean Power Plan; Emission Guidelines for Greenhouse Gas Emissions From Existing Electric Utility Generating Units; Revisions to Emission Guidelines Implementing Regulations; 40 CFR 60.5805a (CFR 2020)"
  ],
  "url": "https://mlchart.com/terminology/environment/variable-frequency-drive/"
}