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variable-frequency drive (A variable-frequency drive (VFD) (also termed adjustable-frequency drive, variable-speed drive, AC drive, micro drive or inverter drive) is a type of adjustable-speed drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and voltage. VFDs are used in applications ranging from small app... Found on | |||
frequency shifter (сам русский термин на мой взгляд странен; чаще встречается variable frequency drive Vadim_Dmitriev) |
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