Abstract

This research paper presents an application of Fast Voltage Stability Index (FVSI) power flow based technique and Evolutionary Programming (EP) technique to determine the placement and sizing of Static VAR Compensator (SVC) for installation at transmission system. SVC which is one of the Flexible AC Transmission System (FACTS) available in the market is used in this research for reducing the power losses in the system as well as monitoring the minimum voltage. The system will be stressed out by increasing the loadability of certain buses until it is near to its maximum loadability. The determination of the placement of Static VAR Compensator (SVC) was determined by using power flow based approach of Fast Voltage Stability Index (FVSI) to detect the weakest line which consequently will lead to the weakest bus. The Evolutionary Programming (EP) technique is used to look for the best sizing of Static VAR Compensator (SVC). The Evolutionary Programming (EP) technique and Fast Voltage Stability Index (FVSI) is tested with IEEE 14 bus test system to prove the effectiveness of the proposed technique. Further, the comparison between installation of SVC and transformer tap setting in order to identify which one is more effective in minimizing the power losses.

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