Control techniques for DC-link voltage ripples minimization in cascaded multilevel converter structures

Control techniques for DC-link voltage ripples minimization in cascaded multilevel converter structures

Cascaded multilevel converters allow driving high power AC motors. Unfortunately, each H-bridge module is single-phase and the DC-link capacitance must be very large to reduce the DC-link voltage ripple. This paper shows how to minimize such a ripple by using new devised control techniques, while th...

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Bibliographische Detailangaben
Hauptverfasser: Leskovar, S., Marchesoni, M.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
AC motors
Adjustable speed drive
Capacitance
Control systems
Converter control
Costs
Electronic components
Modulation strategy
Multilevel converter
Passive filter
Power system management
Thyristors
Topology
Uniform resource locators
Voltage control
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Zusammenfassung:Cascaded multilevel converters allow driving high power AC motors. Unfortunately, each H-bridge module is single-phase and the DC-link capacitance must be very large to reduce the DC-link voltage ripple. This paper shows how to minimize such a ripple by using new devised control techniques, while the most significant results are reported
DOI:10.1109/EPE.2005.219659