Decoupled Inverter Fed - Open end Winding Induction Motor Drive for Three Level Voltage SPWM Strategy
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2014, Vol 4, Issue 9
Abstract
An open-end winding induction motor, fed by two 2-level inverters connected at either end produces space vector locations, identical to those of a conventional 3-level inverter. In this paper, two switching algorithms are proposed to implement space vector PWM for the dual inverter scheme. The proposed algorithms do not employ any look-up tables. The time consuming task of sector identification is altogether avoided in both these algorithms. The proposed algorithms employ only the instantaneous reference phase voltages for the implementation of the space vector PWM. An equal switching duty for both the inverters is also ensured with one of the proposed PWM strategies. Also, it is observed that the speed torque and voltages in motor phases is significantly reduced with the proposed PWM strategies.
Authors and Affiliations
Bukya. Balaji , B. Venkateswarlu , D. Jagan
Keywords
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- EP ID EP142334
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