What is it about?
Different continuous-time and discrete-time models of inverter-fed three-phase machines are compared and investigated to determine how effective they are in achieving decoupling of the stator current components, even with a relatively large ratio of stator frequency to switching frequency.
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Why is it important?
Models of inverter-fed three-phase machines are the basis for dynamically high-quality controls of such machines. It is therefore important to have a model that is as accurate as possible and yet easy to handle. Because there are many different ones, it was investigated which model is the most suitable for control purposes - especially with regard to decoupling - so that errors caused by the use of inadequate models can be avoided in the future.
Perspectives
I hope that through this paper a unified discrete-time model for the control description of inverter-fed three-phase machines will finally be established.
Prof. Dr. Uwe Nuss
Offenburg University
Read the Original
This page is a summary of: Comparative studies of decoupling schemes in the current control loop of three-phase drives at extreme stator/sampling frequency ratios, Electrical Engineering, August 2023, Springer Science + Business Media,
DOI: 10.1007/s00202-023-01892-6.
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