Xinbo Cai

Optimum Control of Electrical Drives and Power Converters

Computational Efficient Optimum Control for Three-Level-Inverters with DC-link Capacitance Balancing


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ISBN:

978-3-8440-7981-4

Series:

Elektronik

Keywords:

Optimum control; predictive control; fixed gain filter; current control; power converters; electrical drives

Type of publication:

Thesis

Language:

English

Pages:

172 pages

Figures:

48 figures

Weight:

255 g

Format:

21 x 14,8 cm

Bindung:

Paperback

Price:

48,80 € / 61,10 SFr

Published:

April 2021

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DOI:

10.2370/9783844079814 (Online document)

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Abstract:

This work belongs to the optimization of control methods for power converters and electrical drives.
Main contributions are as follows: an analytical solution of both continuous and discrete optimum control for power converters and drives is given, focusing on computational efficiency and enhanced performance; a new DC-link voltage balancing method using the deadbeat control concept for three-level NPC converters is proposed, which is suitable for the control applications using space vector modulation; a simple and effective neutral-point voltage balancing technique is proposed within the model predictive control framework for three-level NPC converters, which decouples the neutral point voltage balance control and targets current tracking; a fixed gain filter is proposed to estimate the position, velocity, and acceleration in angular motion, with computational efficiency and less tuning effort.