• Thumbnail for Variable-frequency drive
    A variable-frequency drive (VFD, or adjustable-frequency drive, adjustable-speed drive, variable-speed drive, AC drive, micro drive, inverter drive, variable...
    66 KB (6,898 words) - 04:26, 28 April 2025
  • Thumbnail for Motor drive
    motor drive could be called a generator drive but is often still referred to as a motor drive. A variable frequency drive (VFD) or variable speed drive (VSD)...
    16 KB (2,289 words) - 08:44, 11 April 2025
  • common form of VSD technology in the air compressor industry is a variable-frequency drive, which converts the incoming AC power to DC and then back to a...
    4 KB (496 words) - 22:19, 24 November 2023
  • Thumbnail for Induction motor
    induction motors are increasingly being installed in variable-speed applications using variable-frequency drives (VFD). VFD offers energy savings opportunities...
    56 KB (5,509 words) - 01:54, 9 April 2025
  • Thumbnail for Power inverter
    systems have a variable-frequency drive that controls the speed of the motor and thus the compressor and cooling output. The variable-frequency AC from the...
    49 KB (6,512 words) - 03:30, 14 May 2025
  • Vector control, also called field-oriented control (FOC), is a variable-frequency drive (VFD) control method in which the stator currents of a three-phase...
    23 KB (2,639 words) - 13:02, 19 February 2025
  • over 7 million Americans Variable speed drive, or adjustable-speed drive, is a specific type of a variable-frequency drive Visible-surface determination...
    1 KB (224 words) - 22:02, 2 May 2024
  • Thumbnail for Electric motor
    soft starters. AC motors operated at variable speeds are powered with various power inverter, variable-frequency drive or electronic commutator technologies...
    119 KB (13,091 words) - 11:06, 17 May 2025
  • the windings of the motor. It can occur in motors powered by variable-frequency drives, as often used in heating, ventilation, air conditioning and refrigeration...
    6 KB (700 words) - 18:56, 20 April 2024
  • Thumbnail for Frequency changer
    frequency to another, when two adjacent power grids operate at different utility frequency. A variable-frequency drive (VFD) is a type of frequency changer...
    5 KB (631 words) - 08:18, 10 February 2025
  • Direct torque control (DTC) is one method used in variable-frequency drives to control the torque (and thus finally the speed) of three-phase AC electric...
    16 KB (1,883 words) - 19:39, 15 November 2024
  • Thumbnail for Variable air volume
    Electric GV3000 Drive 40V4160 | Automation Industrial". 40v4160.com. Retrieved 2023-12-31. Li, Yunhua (9 December 2015). Variable Frequency Drive Applications...
    13 KB (1,595 words) - 10:51, 2 October 2024
  • Thumbnail for Disney Adventure
    000 hp) and power three ABB Azipod XO thrusters via ABB ACS6080 variable frequency drives. ABB also supplied major control components and software. This...
    19 KB (1,438 words) - 13:25, 23 May 2025
  • Thumbnail for Motor–generator
    three-wire DC system. AC at one frequency to AC at another harmonically-related frequency AC at a fixed voltage to AC of a variable voltage AC single-phase to...
    13 KB (1,736 words) - 23:06, 18 April 2025
  • Thumbnail for Wound rotor motor
    adjustable-speed drive. Common applications include hoists and conveyor systems. Certain types of variable-speed drives recover slip-frequency power from the...
    2 KB (315 words) - 07:09, 21 May 2024
  • Thumbnail for Traction motor
    construction and the frequency of the AC power supply. The advent of power semiconductors has made it possible to fit a variable frequency drive on a locomotive;...
    16 KB (1,803 words) - 08:24, 28 March 2025
  • Thumbnail for Azipod
    utilize fixed-pitch propellers, power is always fed through a variable-frequency drive or cycloconverter that allows speed and direction control of the...
    16 KB (1,535 words) - 10:20, 6 February 2025
  • Analog outputs control the speed or position of a device, such as a variable frequency drive, an I-P (current to pneumatics) transducer, or a valve or damper...
    26 KB (3,375 words) - 12:08, 23 March 2025
  • United States Volunteer fire department Vacuum fluorescent display Variable-frequency drive, on electric motors Virtual Floppy Disk (file type), in Microsoft...
    585 bytes (99 words) - 05:36, 12 September 2024
  • an electric drive and a planetary gearset which performs similarly to a continuously variable transmission. The Synergy Drive is a drive-by-wire system...
    78 KB (7,986 words) - 16:24, 9 May 2025
  • Thumbnail for Motor soft starter
    starter Motor controller Space Vector Modulation Thyristor drive Variable-frequency drive Variable-speed air compressor Vector control (motor) Siskind, Charles...
    8 KB (996 words) - 21:48, 19 April 2025
  • Thumbnail for AC motor
    form for variable speed control before the advent of compact power electronic devices. Transistorized inverters with variable-frequency drive can now be...
    45 KB (6,364 words) - 18:04, 21 February 2025
  • Thumbnail for Insulated-gate bipolar transistor
    supplies in high-power applications: variable-frequency drives (VFDs) for motor control in electric cars, trains, variable-speed refrigerators, and air conditioners...
    33 KB (3,658 words) - 10:20, 23 May 2025
  • a motor or servo List of screw drives, a screw drive Variable-frequency drive, a type of adjustable-speed drive Drive (charity), a campaign to collect...
    9 KB (1,048 words) - 20:19, 3 May 2025
  • Thumbnail for Reluctance motor
    can operate with sinusoidal voltage. Speed control requires a variable-frequency drive. High-powered SynRMs typically require rare-earth elements such...
    9 KB (1,316 words) - 15:44, 6 May 2025
  • Thumbnail for Lock-in amplifier
    J. (2024). "A Power Measurement Method for Electric Automotive Variable-Frequency Drive Systems". IEEE Transactions on Industry Applications. 60 (5). IEEE:...
    17 KB (2,253 words) - 07:36, 22 December 2024
  • circuits supplying an electrical or electronic assembly, e.g., a variable frequency drive or an AC/DC power converter, leakage currents will flow through...
    8 KB (999 words) - 15:04, 28 September 2023
  • Thumbnail for Dynamometer
    The control unit for an AC motor is a variable-frequency drive, while the control unit for a DC motor is a DC drive. In both cases, regenerative control...
    35 KB (4,686 words) - 14:01, 17 February 2025
  • Thumbnail for Variable speed fire pump controller
    application, the program would select a 125 kW gen-set when using a variable frequency drive and a primary reactor bypass with a 30% starting voltage drop,...
    8 KB (1,055 words) - 03:33, 18 February 2024
  • with rectifier, DC link and inverter), such as those used in variable frequency drives Cycloconverters Hybrid matrix converters Matrix converters (MC)...
    8 KB (1,001 words) - 19:01, 5 November 2024