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Effective algorithm for multilevel converters with very low computational cost

Effective algorithm for multilevel converters with very low computational cost

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An effective and fast modulation algorithm for high power voltage source multilevel converters is presented. This approach drastically reduces the computational load maintained, permitting the on-line computation of the switching sequence and the on-state durations of the respective switching state vectors. It has been satisfactorily implemented in very low-cost microcontrollers.

References

    1. 1)
      • A neutral-point clamped PWM inverter
    2. 2)
      • Veenstra, M., Rufer, A.: `PWM-control of multi-level voltage-source inverters', Power Electronics Specialists Conf., PESC'2000, 2000, Galway, Ireland, 3, p. 1387–1393
    3. 3)
      • A fast space-vector modulation algorithm for multilevel three-phase converters
    4. 4)
      • High-performance current regulation and efficient PWM implementation for low-inductance servo motors
http://iet.metastore.ingenta.com/content/journals/10.1049/el_20020906
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