Most multi-level converters are controlled through the use of voltage-source based control techniques such as space-vector modulation or multi-level sine-triangle modulation. However, in many applications such as field oriented drives, a high bandwidth current-source inverter based control is more desirable. In this paper, the concept of a multi-level hysteresis current-source control is set forth. The new control is experimentally verified using a four-level converter/induction motor drive system and the results are compared to a space vector modulation controller. A dynamic study involving a step change in current command demonstrates the controls high bandwidth.


Electrical and Computer Engineering

Keywords and Phrases

PWM Invertors; Bandwidth Current-Source Inverter Based Control; Electric Current Control; Electric Drives; Field Oriented Drives; Four-Level Converter; High Bandwidth Control; Hysteresis Current-Regulated Control; Induction Motor Drive System; Induction Motor Drives; Machine Vector Control; Multi-Level Converters Control; Multi-Level Drives; Multi-Level Hysteresis Current-Source Control; Multi-Level Sine-Triangle Modulation; Space Vector Modulation Controller; Space-Vector Modulation; Voltage-Source Based Control Techniques

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Document Type

Article - Journal

Document Version

Final Version

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© 2000 Institute of Electrical and Electronics Engineers (IEEE), All rights reserved.

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