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Four-switch Three-phase Inverter control method applied by simplified Space Vector PWM
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 Title & Authors
Four-switch Three-phase Inverter control method applied by simplified Space Vector PWM
Son, Sang-Hun; Park, Young-Joo; Choy, Ick;
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 Abstract
The performance of 4-switch 3-phase inverter(: FSTPI) which replace two switches of 6-switch 3-phase inverter(: SSTPI) is mainly affected by the compensator unbalanced voltages and output voltage control method. This paper proposes a DC offset current injection method to compensate the capacitor unbalanced voltages for FSTPI. A simplified SVPWM method which can be applied to FSTPI is also proposed. The validity of the proposed methods is verified by simulation and experiment using SPMSM.
 Keywords
Four-Switch Three-Phase Inverter;Unbalanced Capacitor Voltages;DC Offset Current Injection;Simplified SVPWM;
 Language
Korean
 Cited by
 References
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