Speed-sensorless DTC-SVM for matrix converter drives with simple nonlinearity compensation

Kyo Beum Lee; Frede Blaabjerg; Tae Woong Yoon

doi:10.1109/TIA.2007.908177

Speed-sensorless DTC-SVM for matrix converter drives with simple nonlinearity compensation

Kyo Beum Lee, Frede Blaabjerg, Tae Woong Yoon

School of Electrical Engineering

Research output: Contribution to journal › Article

36 Citations (Scopus)

Abstract

This paper presents a new method to improve the sensorless performance of matrix converter drives using a parameter estimation scheme. To improve low-speed sensorless performance, the nonlinearities of a matrix converter drive such as commutation delays, turn-on and turn-off times of switching devices, and ON-state switching device voltage drop is modeled using p-q-r transformation and compensated using a reference current control scheme. To eliminate the input current distortion due to the input voltage unbalance, a simple method using p-q-r transformation is also presented. The proposed compensation method is applied for high performance induction motor drives using a 3-kW matrix converter system without a speed sensor. Experimental results are shown to illustrate the feasibility of the proposed strategy.

Original language	English
Pages (from-to)	1639-1649
Number of pages	11
Journal	IEEE Transactions on Industry Applications
Volume	43
Issue number	6
DOIs	https://doi.org/10.1109/TIA.2007.908177
Publication status	Published - 2007 Nov

Keywords

Adaptive estimator
Direct torque control with space vector modulation (DTC-SVM)
Matrix converter
Nonlinearity compensation
Sensorless control
p-q-r transformation

ASJC Scopus subject areas

Control and Systems Engineering
Industrial and Manufacturing Engineering
Electrical and Electronic Engineering

Access to Document

10.1109/TIA.2007.908177

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Lee, K. B., Blaabjerg, F., & Yoon, T. W. (2007). Speed-sensorless DTC-SVM for matrix converter drives with simple nonlinearity compensation. IEEE Transactions on Industry Applications, 43(6), 1639-1649. https://doi.org/10.1109/TIA.2007.908177

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abstract = "This paper presents a new method to improve the sensorless performance of matrix converter drives using a parameter estimation scheme. To improve low-speed sensorless performance, the nonlinearities of a matrix converter drive such as commutation delays, turn-on and turn-off times of switching devices, and ON-state switching device voltage drop is modeled using p-q-r transformation and compensated using a reference current control scheme. To eliminate the input current distortion due to the input voltage unbalance, a simple method using p-q-r transformation is also presented. The proposed compensation method is applied for high performance induction motor drives using a 3-kW matrix converter system without a speed sensor. Experimental results are shown to illustrate the feasibility of the proposed strategy.",

keywords = "Adaptive estimator, Direct torque control with space vector modulation (DTC-SVM), Matrix converter, Nonlinearity compensation, Sensorless control, p-q-r transformation",

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