PWM methods providing phase voltage symmetry of dualinverter fed drives: Systems modeling and simulation

• Autorzy: Oleschuk, V.

Warianty tytułu

PL

Podwójny napęd przekształtnikowy wykorzystujący metodę PWM

• Języki publikacji: EN

Abstrakty

EN

Algorithms of space-vector-based synchronized pulsewidth modulation (PWM) have been applied for control of dual-inverter fed open-end winding induction motor drives supplied by two isolated dc-sources with non-equal voltages. Results of modeling and simulation of these systems proved the fact, that techniques of synchronized PWM provide continuous phase voltage symmetry (quarter-wave symmetry, or half-wave symmetry) for any ratios (integral or fractional) between the switching and fundamental frequencies of dual-inverter systems on the base of either standard inverters or neutral-point-clamped inverters, and also for any ratios between voltages of two dc-sources of the system.

PL

W artykule przedstawiono możliwość sterowania napędem silnika indukcyjnego zasilanego za pośrednictwem dwóch izolowanych źródeł napięcia stałego o nierównych napięciach. Do tego celu wykorzystano podwójny przekształtnik bazujący na algorytmie synchronizowanej modulacji szerokości impulsu PWM.

Słowa kluczowe

PL

przekształtnik; napęd; silnik indukcyjny

EN

voltage source inverter; dual-converter topology; modulation strategy

• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2013
• Tom: R. 89, nr 6
• Strony: 61--65
• Opis fizyczny: Bibliogr. 15 poz., rys., wykr.

Twórcy

autor

Oleschuk, V.

• Academy of Sciences of Moldova,

Bibliografia

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• [11] Oleschuk V., Blaabjerg F., Three-level inverters with commonmode voltage cancellation based on synchronous PWM, Proc. of the IEEE Power Electronics Specialists Conf., 2002, 863-868
• [12] Oleschuk V., Ermuratski V. Chekhet E.M., Drive converters with synchronized pulsewidth modulation during overmodulation, Proc. of the IEEE Int’l Symp. on Ind. Electronics, 2004, 1339-1344
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• [15] Oleschuk V., Griva G., Spertino F., Dual neutral-point-clamped converters with synchronized PWM for photovoltaic installations, International Review of Electrical Engineering, 5 (2010), No. 1, 55-63