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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. wiki Alexander Demidov) | |||
| variable frequency drive | |||
| frequency-controlled drive (MichaelBurov) | |||
| adjustable frequency electric drive | |||
| adjustable-frequency electric drive; frequency-regulated drive; variable-frequency drive | |||
| variable speed drive (ssn) | |||
| variable-frequency electric drive | |||
| variable-frequency electrical drive (oleg.vigodsky) | |||
| частотно-регулируемый электропривод: 2 phrases in 1 subject |
| Electrical engineering | 2 |