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This paper presents generalized interleaved Discontinuous Space Vector PWM (DSVPWM) schemes for 3-level 3-phase 6-switch split-wound Coupled Inductor Inverters (CII). A simplified approach is applied to the generation of interleaved DSVPWM schemes with the need to minimize high frequency current ripple and associated losses in the coupled inductor and the inverter. The performance of the CII is investigated...
A multilevel interleaved discontinuous space-vector pulsewidth modulation (DSVPWM) method is presented for a three-level three-phase pulsewidth modulation (PWM) voltage source inverter using a three-phase split-wound coupled inductor. The selection of a suitable PWM switching scheme for this topology is based on the dual requirements for a high-quality multilevel PWM output voltage, together with...
A novel half-bridge switching topology is presented which is based on using a split-wound series-connected coupled- winding inductor, interleaved switching, and zero-deadtime operation to achieve multi-level PWM output with a reduced part-count, reduced current ripple, and improved THD performance. This new topology is presented to highlight the design process for low power, high switching frequency...
The number of voltage levels available in PWM voltage source inverters can be increased by using a split-wound coupled inductor within each inverter-leg and using interleaved PWM switching of the upper and lower switches. The magnetizing inductance of the symmetrical split wound inductor filter the high frequency PWM voltage differences between the upper and lower switches. The same inductor presents...
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