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MPC Using Modulated Optimal Voltage Vector for Voltage Source Inverter with LC Output Filter

Odhano, Shafiq; Zanchetta, Pericle; Tang, Mi; Silva, Cesar A.

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Authors

Shafiq Odhano

Mi Tang

Cesar A. Silva



Abstract

Voltage source inverters with LC output filters are widely used for high-quality output of ac power supplies. They are also a potential solution for embedded electrical networks in more-electrical aircraft of the future. In this paper, a recently developed model predictive control technique that selects modulated optimal voltage vector is applied for high dynamic output voltage control of these systems especially when the required output frequency is well above the standard 50/60 Hz as required by aerospace applications. The studied predictive control optimizes the switch duty cycles when in linear regulation range by solving analytical equations. The over-modulation region is covered by optimized linear combination of the adjacent hexagon vertices unlike how it happens in classical space vector modulation. A load current observer is also designed in this paper which is made independent of output frequency for improving the disturbance rejection capability of the voltage control loop when the load current sensors are not present. Simulation and experimental results that validate the control and observer performance are presented under different steady state and dynamic operating conditions.

Citation

Odhano, S., Zanchetta, P., Tang, M., & Silva, C. A. (2018). MPC Using Modulated Optimal Voltage Vector for Voltage Source Inverter with LC Output Filter. In 2018 IEEE Energy Conversion Congress and Exposition (ECCE) (6865-6871). https://doi.org/10.1109/ECCE.2018.8557774

Conference Name 2018 IEEE Energy Conversion Congress and Exposition (ECCE)
Conference Location Portland, OR
Start Date Sep 23, 2018
End Date Sep 27, 2018
Acceptance Date Apr 12, 2018
Online Publication Date Dec 6, 2018
Publication Date Sep 23, 2018
Deposit Date Feb 18, 2019
Publicly Available Date Feb 18, 2019
Publisher Institute of Electrical and Electronics Engineers
Pages 6865-6871
Book Title 2018 IEEE Energy Conversion Congress and Exposition (ECCE)
ISBN 9781479973132
DOI https://doi.org/10.1109/ECCE.2018.8557774
Public URL https://nottingham-repository.worktribe.com/output/1563478

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