Title: Grid interconnection of microturbine-based distributed generation system

Authors: D.N. Gaonkar, R.N. Patel

Addresses: Department of Electrical Engineering, Indian Institute of Technology, Roorkee-247667, Uttaranchal, India. ' Department of Electrical Engineering, Indian Institute of Technology, Roorkee-247667, Uttaranchal, India

Abstract: Distributed Generation (DG) is predicted to play an important role in the electric power system in the near future. The insertion of DG systems into existing electric systems has a great impact on real-time system operation and planning. It is widely accepted that Microturbine Generation (MTG) systems are currently attracting much attention for meeting customers| needs in the distributed-power-generation market. In order to investigate the performance of MTG systems when integrated into distribution systems, their efficient modelling is required. This paper presents a dynamic model of an MTG system suitable for grid connection. The proposed model allows a bidirectional power flow between grid and MTG systems. The model is developed in Matlab/Simulink and implemented in the SimPowerSystems library. The components of the models are built from the dynamics of each part with their interconnections. This simplified model is a useful tool for studying the various operational aspects of MTG systems when connected to the grid.

Keywords: distributed generation; DG; microturbines; permanent magnet synchronous generators; power conditioning units; filters; voltage source converters; VSCs; electric power systems; microturbine generation; dynamic modelling.

DOI: 10.1504/IJETP.2007.015515

International Journal of Energy Technology and Policy, 2007 Vol.5 No.5, pp.619 - 632

Published online: 23 Oct 2007 *

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