variable-frequency drive

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• Variable-frequency drive — A variable frequency drive (VFD) is a system for controlling the rotational speed of an alternating current (AC) electric motor by controlling the frequency of the electrical power supplied to the motor.cite book | first=Sylvester J. |… …   Wikipedia

• variable-frequency electric drive — dažninė elektros pavara statusas T sritis automatika atitikmenys: angl. adjustable frequency electric drive; frequency regulated electric drive; variable frequency electric drive vok. Antrieb mit Frequenzregelung, m; frequenzgesteller Antrieb, m… …   Automatikos terminų žodynas

• Drive — may refer to: Driving, the act of controlling a vehicle Road, an identifiable thoroughfare, route, way or path between two places Road trip, a journey on roads Driveway, a private road for local access to structures Drive (charity), a campaign to …   Wikipedia

• Variable speed air compressor — A Variable Speed Drive (VSD) Air Compressor [ [http://www.quincycompressor.com/qgv.html Variable Speed Drive Compressor] ] is an air compressor that takes advantage of Variable Speed Drive technology. This type of compressor uses a special drive… …   Wikipedia

• Frequency changer — A frequency changer or frequency converter is an electronic device that converts alternating current (AC) of one frequency to alternating current of another frequency. The device may also change the voltage, but if it does, that is incidental to… …   Wikipedia

• frequency-regulated electric drive — dažninė elektros pavara statusas T sritis automatika atitikmenys: angl. adjustable frequency electric drive; frequency regulated electric drive; variable frequency electric drive vok. Antrieb mit Frequenzregelung, m; frequenzgesteller Antrieb, m… …   Automatikos terminų žodynas

• Frequency synthesizer — A frequency synthesizer is an electronic system for generating any of a range of frequencies from a single fixed timebase or oscillator. They are found in many modern devices, including radio receivers, mobile telephones, radiotelephones, walkie… …   Wikipedia

• Adjustable-speed drive — (ASD) or variable speed drive (VSD) describes equipment used to control the speed of machinery. Many industrial processes such as assembly lines must operate at different speeds for different products. Where process conditions demand adjustment… …   Wikipedia

• Hybrid Synergy Drive — Hybrid Synergy Drive, (HSD) is a set of hybrid car technologies developed by Toyota and used in the company s Prius, Highlander Hybrid, Camry Hybrid, Lexus RX 400h, Lexus GS 450h, and Lexus LS 600h/LS 600hL automobiles. It is also used in the… …   Wikipedia

• adjustable-frequency electric drive — dažninė elektros pavara statusas T sritis automatika atitikmenys: angl. adjustable frequency electric drive; frequency regulated electric drive; variable frequency electric drive vok. Antrieb mit Frequenzregelung, m; frequenzgesteller Antrieb, m… …   Automatikos terminų žodynas

• commande électrique à fréquence variable — dažninė elektros pavara statusas T sritis automatika atitikmenys: angl. adjustable frequency electric drive; frequency regulated electric drive; variable frequency electric drive vok. Antrieb mit Frequenzregelung, m; frequenzgesteller Antrieb, m… …   Automatikos terminų žodynas