Voltage Profile Analysis on a Grid with Power Injection from a Wind Farm

Noah Serem, Josiah Munda and Lawrence Letting
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Noah Serem: African Centre of Excellence in Energy and Sustainable Development, University of Rwanda, Kigali KK 737-4285, Rwanda
Josiah Munda: Department of Electrical Engineering, Tshwane University of Technology, Pretoria X680-0001, South Africa
Lawrence Letting: Department of Electrical and Communications Engineering, Moi University, Eldoret 3900-30100, Kenya

Energies, 2021, vol. 14, issue 22, 1-15

Abstract: Wind power penetration into the grid is increasing throughout the world due to centralized power generation constraints such as shortage of fossil fuel, need to reduce gas emissions, long transmission losses and need for more supply of electrical power. Connection of wind power into the grid results in power quality issues such as voltage profile changes and harmonics. This necessitates coming up with correction measures in order to meet power quality standards. This paper deals with the analysis of the effects of injecting wind power to the grid on voltage profile. Branch participation factors are used to analyze the sections of the grid where effects on voltage profile are highest due to wind power penetration. Reactive power-voltage sensitivity analysis is used to determine the buses that are more sensitive to the changes brought by the wind power injection. Two cases were considered for the injection of the wind power: IEEE 14 test bus system and IEEE 39 test bus system.

Keywords: wind energy; power quality; voltage profile; grid (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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