NDLI: Synchronous-frame decoupling current regulators for induction motor control in high-power drive systems: modelling and design

Content Provider	IET Digital Library
Author	Nzongo, Daniel Legrand Mon Ngome, Paul Gistain Ipoum Flesch, Rodolfo C. C. Manguelle, Joseph Song Jin, Tao Tang, Jinquan
Abstract	In this study, a decoupling current regulator with a simple design approach aiming to mitigate cross-coupling effects during torque or speed disturbance is proposed for induction motor (IM) drives that operate at the low switching frequency. The proposed control method consists to derive a decoupling transfer matrix from the plant accurate model that is inserted at the output of the current controller, while traditional methods consider the feedback synchronous currents or their errors to calculate the compensation terms. The proposed method allows the controlled system to be equivalent to a dual single-input–single-output system without cross-coupling terms. The performances of this method have been validated through simulations and experiments on a 3-kW IM powered by a 3-level neutral-point clamped inverter at different operating conditions. The results show that the proposed decoupling approach provides additional bandwidth frequency than traditional approaches from literature. This characteristic translates into fast response time and improved decoupling dynamics at various operating conditions.
Starting Page	669
Ending Page	679
Page Count	11
ISSN	17554535
Volume Number	13
e-ISSN	17554543
Issue Number	Issue 4, Mar (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/13/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2019.0222
Journal	IET Power Electronics
Publisher Date	2019-11-08
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	3-kW IM 3-level Neutral-point Clamped Inverter Additional Bandwidth Frequency Asynchronous Machine Compensation Term Control Method Control of Electric Power System Controlled System Cross-coupling Effects Cross-coupling Term Current Control Current Controller Decoupling Approach Decoupling Current Regulator Decoupling Transfer Matrix Drive Electric Current Control Feedback Feedback Synchronous Current High-power Drive System Induction Motor Control Induction Motor Drive Induction Motors Invertors Low Switching Frequency Machine Control Machine Vector Control Mechanical Variables Control Modelling Design Plant Accurate Model Power Converter Power Supplies to Apparatus Simple Design Approach Single-input–single-output System Synchronous-frame Decoupling Current Regulators Torque Torque Control
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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