08:41 Oct 11, 2011 |
Romanian to English translations [PRO] Science - Automation & Robotics | |||||||
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| Selected response from: Florin Ular Romania Local time: 20:27 | ||||||
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3 +2 | automation of variable-frequency drive systems |
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automation of variable-frequency drive systems Explanation: Frecvența este variabilă. „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.[1][2][3] A variable frequency drive is a specific type of adjustable-speed drive. Variable-frequency drives are also known as adjustable-frequency drives (AFD), variable-speed drives (VSD), AC drives, microdrives or inverter drives. Since the voltage is varied along with frequency, these are sometimes also called VVVF (variable voltage variable frequency) drives.” http://en.wikipedia.org/wiki/Variable-frequency_drive |
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