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Synchronization is essential for the satisfactory operation of VSI in high power applications. With proper selection of switching states it is possible to obtain synchronization and symmetry in space vector pulse width modulation (SVPWM) algorithm. A novel SVPWM based switching algorithm, which results in improved THD and increased fundamental voltage in overmodulation region by maintaining synchronization...
This paper presents results of application of novel methods of synchronized pulse width modulation (PWM) to the open-end winding induction motor drives on the base of dual two-level voltage source inverters, with both single and separate DC voltage sources. The proposed control algorithms provide synchronous symmetrical control of the motor phase voltage, together with elimination of the common-mode...
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