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Sensorless current control of three-phase inverter-based distributed generation

Ahmed, Khaled H.K. and Massoud, A. and Finney, S.J. and Williams, B.W. (2009) Sensorless current control of three-phase inverter-based distributed generation. IEEE Transactions on Power Delivery, 24 (2). pp. 919-929. ISSN 0885-8977

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Abstract

This paper presents a modified adaptive Kalman filter for sensorless current control of a three-phase inverter-based distributed generation system. Measurement and digital signal processor delays have been compensated by using a modified Kalman filter. The control variable states can be estimated one sample in advance with a reduced number of sensors. Two current control loops with the steepest descent adaptive control for grid voltage estimation have been employed to boost robustness. Stability and dynamic performance have been examined for different state variables using root locus. Simulation and experimental results validate the proposed control approach.

Item type: Article
ID code: 14841
Keywords: adaptive control, Kalman filter, distribution generation (DG), grid connected, inverter, Electrical engineering. Electronics Nuclear engineering, Energy Engineering and Power Technology, Electrical and Electronic Engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 18 Jun 2010 16:11
    Last modified: 04 Sep 2014 23:42
    URI: http://strathprints.strath.ac.uk/id/eprint/14841

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