Impact of rotor bar bridges in torque development in integral horsepower machines in PWM inverter environments

Penrose, Howard W; Zych, Zachary

doi:10.1109/eic.2011.5996110

2011 Electrical Insulation Conference (EIC). 2011

DOI: 10.1109/eic.2011.5996110

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Impact of rotor bar bridges in torque development in integral horsepower machines in PWM inverter environments

Howard W Penrose¹,

Zachary Zych²

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2016

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Synchronous optimal pulsewidth modulation digital implementation concept for multilevel converters

Lago

Heldwein

2016

2016 IEEE Applied Power Electronics Conference and Exposition (APEC)

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This work proposes a digital implementation concept for a synchronous optimal pulse width modulator (SOP) exemplarily used in a three-phase 5-level NPC H-bridge inverter driving a permanent magnet synchronous motor at variable speed. The numeric optimization is performed offline and the resulting information that defines the inverter output waveforms are stored in a look-up table. The real time portion of the modulator recomposes the pre-computed optimal waveforms and chooses the switching states that, both, synthesize the waveforms and perform voltage balance for the three bipolar dc-buses of the power converter. The proposed modulation algorithm main feature is that changes in the number of commutations per cycle are transparently handled without the need for the dynamic reconfiguration of the digital modulator, which makes it very suitable for synchronous modulation techniques in variable speed applications.

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Synchronous optimal pulsewidth modulation digital implementation concept for multilevel converters

Lago

Heldwein

2016

2016 IEEE Applied Power Electronics Conference and Exposition (APEC)

View full text Add to dashboard Cite

show abstract

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Impact of rotor bar bridges in torque development in integral horsepower machines in PWM inverter environments

Cited by 1 publication

References 5 publications

Synchronous optimal pulsewidth modulation digital implementation concept for multilevel converters

Synchronous optimal pulsewidth modulation digital implementation concept for multilevel converters

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