Advances in High Power Industrial AC Drives and their Control

摘要

With remarkable progress in the development of power electronic technologies, microprocessor / digital signal processor-based control and estimation techniques and introduction of high power semiconductors, high power high performance ac drives using either induction or synchronous motors with inverters or cycloconverters have become viable alternatives to the earlier dc drives for wide-spread industrial applications. In this article, an overview of the state-of-the-art power devices, converter topologies, practical MW range drive applications and advanced control technologies for such drives like scalar control, vector control and direct torque control and their implementation is presented.