Power system performance enhancement using unified power flow controller

Sawhney, Harinder (2002) Power system performance enhancement using unified power flow controller. Masters thesis, Memorial University of Newfoundland.

[English] PDF (Migrated (PDF/A Conversion) from original format: (application/pdf)) - Accepted Version Available under License - The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission. Download (12MB) [English] PDF - Accepted Version Available under License - The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission. (Original Version)

Abstract

Electric power utilities in many countries around the world face deregulation and privatization. The utilities are often separated into generation, transmission and distribution companies in order to encourage competition and provide customers with the choice of selecting their electrical energy provider. Environmental concerns, right-of-way and cost have delayed the construction of new transmission lines. The demand for electric power has continued to grow and this must be met by increased transfer of power through available transmission lines. -- The overall aim of the research presented in this thesis is to examine the application of Unified Power Flow Controller (UPFC) in power system operation. For this device a general model is derived and used in power system analysis. This model is referred to as the injection model which is valid for load flow analysis. The model has been very helpful for understanding the impact of UPFC on power system operation. As a part of UPFC application, Available Transfer Capability (ATC) has been studied with different methods of calculating ATC. The impact of the UPFC in increasing the available transfer capability of the power system has been studied. Test results using different power system models are presented throughout the thesis to illustrate the effectiveness of Unified Power Flow Controller.

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