Motor Drive System with Double-Delta-Sourced Stator Winding and Two Modulated NPC Converters
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OLESCHUK, Valentin; VASILIEV, Ion. Motor Drive System with Double-Delta-Sourced Stator Winding and Two Modulated NPC Converters. In: Advanced Technology KhPIWeek. 5-10 octombrie 2020, Kharkiv. Kharkiv, Ukraine: Kharkiv Polytechnic Institute, 2020, pp. 357-362.
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Advanced Technology 2020
Conferința "Advanced Technology"
Kharkiv, Ukraine, 5-10 octombrie 2020

Motor Drive System with Double-Delta-Sourced Stator Winding and Two Modulated NPC Converters


DOI: 10.1109/KhPIWeek51551.2020.9250100
Pag. 357-362

Oleschuk Valentin, Vasiliev Ion
 
Institute of Power Engineering
 
Disponibil în IBN: 29 noiembrie 2020


Rezumat

In this paper, method of multi-zone pulsewidth modulation (PWM) has been disseminated for wide-range adjustment of two neutral-clamped converters of double-delta-sourced winding system, which is perspective for application in high power adjustable speed drives with dual-stator-winding motor. In this case, stator winding voltage of system is characterized by symmetries, with the lacking in its spectra of even-order voltage harmonics and sub-harmonics. Also, specific control scheme used for regulation of two inverters assures both elimination of common-mode voltage (CMV), and balanced neutral-point voltage of converters of this installation. Numerical simulations have been executed for systems regulated by three basic versions of synchronous multi-zone pulsewidth modulation.