GENERATION FEATURES OF CYCLE OPERATIONS FOR PRODUCTION MACHINE VARIABLE-FREQUENCY DRIVE IN LOW-VELOCITY ZONE OF ACTUATOR

GENERATION FEATURES OF CYCLE OPERATIONS FOR PRODUCTION MACHINE VARIABLE-FREQUENCY DRIVE IN LOW-VELOCITY ZONE OF ACTUATOR

The step change of the autonomous voltage inverter carrier frequency is proposed for operating enhancement of the frequency-controlled electric drive of the production machines in the «retarted and creeping» motion speed area. The introduction of the double-triple carrier frequency «submodulation» a...

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Veröffentlicht in:Vestnik Donskogo gosudarstvennogo tehničeskogo universiteta (Online) 2018-07, Vol.12 (6), p.76-86
Hauptverfasser: Nikolay F. Karnaukhov, Maxim N. Filimonov, Andrey I. Izyumov
Format: Artikel
Sprache:rus
Schlagworte:
actuator
induction motor
inverter
low-velocity zone
modulation
variable-frequency drive
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Zusammenfassung:The step change of the autonomous voltage inverter carrier frequency is proposed for operating enhancement of the frequency-controlled electric drive of the production machines in the «retarted and creeping» motion speed area. The introduction of the double-triple carrier frequency «submodulation» allows providing the induction motor stator current with nonsinusoidality ratio at least 4,3 % which aids the steady motion of the actuator and accuracy increase of its stop block in the positioning zone.
ISSN:1992-5980
1992-6006