PWM Switching Strategy of Three-Phase Inverters for Synchronous Control of Double-Delta-Winding System
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OLESCHUK, Valentin; ERMURATSKI, Vasili. PWM Switching Strategy of Three-Phase Inverters for Synchronous Control of Double-Delta-Winding System. In: Advanced Technology KhPIWeek. 5-10 octombrie 2020, Kharkiv. Kharkiv, Ukraine: Kharkiv Polytechnic Institute, 2020, pp. 268-272.
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Advanced Technology 2020
Conferința "Advanced Technology"
Kharkiv, Ukraine, 5-10 octombrie 2020

PWM Switching Strategy of Three-Phase Inverters for Synchronous Control of Double-Delta-Winding System


Pag. 268-272

Oleschuk Valentin, Ermuratski Vasili
 
Institute of Power Engineering
 
Disponibil în IBN: 27 noiembrie 2020


Rezumat

In this manuscript, schemes and algorithms of multi-zone synchronous modulation have been disseminated for adjustment of two two-level voltage source inverters (VSIs) of double-delta-winding power system, which is perspective for application in the medium/high power adjustable speed ac drives. Specific switching strategy of two VSIs adjusted by modified algorithms and techniques of pulsewidth modulation (PWM) assure synchronization and symmetries of both output voltage of VSIs and winding voltage. Spectrum of stator winding voltage of drive installation does not contain even-order harmonics and undesirable subharmonics. Behavior of two-inverter-based system adjusted by two versions of synchronous PWM has been estimated with emphasize on analysis of stator winding voltage distortion of double-delta-sourced winding system.