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Small signal dynamic study of a microgrid

Wan Mohd Nowalid, Wan Umikalthum (2009) Small signal dynamic study of a microgrid. Masters thesis, Universiti Teknologi Malaysia, Faculty of Electrical Engineering.

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Abstract

The microgrid system has been identified as a potential field of research that determines the future electrical distribution network due to its capability of increasing the system reliability and maintaining the stability at the distribution network. This purpose of this project is to investigate the microgrid dynamics behavior when subject to small change in the network state due to disturbances during grid-connected and the transition from grid-connected to islanding process. The network activities which discussed and presented in this report based on five (5) case studies, namely base case scenario, motor starting study, load trip study, generator trip study and islanding process. Electrical parameters include frequency, voltage, active power, reactive power are observed by simulating the microgrid system modeling using the SKM Powertools for Windows v6.5 software. The result of the study will contribute in the development of the best control strategies for the mirosources/generators that provide adequate stability margins during the various operating conditions and system dynamics. In future, further study should be carry out to include other microsources such as photovoltaic, microturbine, energy storage with different modes of microgrid operations and to explore and improve the control system response that is related to invertercontrolled sources. The future study should also include the impact of large signal disturbances due to fault and should be able to validate the dynamics behavior on existing installation.

Item Type:Thesis (Masters)
Additional Information:Thesis (Sarjana Kejuruteraan (Elektrik - Kuasa)) - Universiti Teknologi Malaysia, 2009; Supervisor : Assoc. Prof. Dr Md. Shah Majid
Uncontrolled Keywords:systems engineering, technological innovations, microgrid system
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:Electrical Engineering
ID Code:12060
Deposited By: Liza Porijo
Deposited On:28 Feb 2011 04:39
Last Modified:23 Jul 2012 02:02

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