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Modified current control of three-phase inverter interfacing in distributed generation

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4 Author(s)
Ahmed, K.H. ; Dept. of Electron. & Electr. Eng., Strathclyde Univ., Glasgow ; Massoud, A.M. ; Finney, S.J. ; Williams, B.W.

This paper presents a modified current controller technique for three-phase inverter based grid interfaced distribution generation systems. The measurements and digital processor calculation delay is compensated by using a modified Kalman filter. For system robustness two current loops are implemented. Also, the states of the control variables can be observed and the number of the measurements sensors can be decreased. Stability and dynamic performance are analyzed. Simulation and experimental results confirm the validity of the proposed approach.

Published in:

Power Electronics, Machines and Drives, 2008. PEMD 2008. 4th IET Conference on

Date of Conference:

2-4 April 2008