University of Khartoum

Mahadiya Substation Voltage Control

Mahadiya Substation Voltage Control

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Title: Mahadiya Substation Voltage Control
Author: Mustafa, Omer Mohamed Elhag Saeed
Abstract: This research presents an evaluation study on the basic concepts of Voltage Control in transmission substations and the usage of Static Var Compensators (SVC) to compensate the voltage variations during light and peak loads. The research investigates the SVC connected in Mahadiya Substation for years 2013 and 2017. Data was collected from the NLDC and directly from the substation. NEPLAN software is used to simulate the system. The results shows that while the installed SVC was adequate in controlling the voltage variations in 2013 when the substation loading was 112.5MVA, it is not sufficient to fully compensate the voltage variations with the 2017’s substation loading of 347.2MVA. By connecting another typical SVC to the same busbar, the simulated results showed that the 110kV busbar voltage moved closer towards its nominal values (111.5kV and 108kV for light and heavy load in 2017 respectively), which reveals more voltage variation compensation. The research recommends to redesign the SVC parameters in the future substations in order to combat the problem of voltage variation.
URI: http://khartoumspace.uofk.edu/123456789/27123


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