Date of Graduation

5-2021

Document Type

Thesis

Degree Name

Bachelor of Science in Electrical Engineering

Degree Level

Undergraduate

Department

Electrical Engineering

Advisor/Mentor

McCann, Roy

Abstract

Today, there are concerns about the effects of high wind penetration on electric power system operations. This is due to the more distributed nature of wind turbine generation and the corresponding multi-path power flows on the electric power transmission grid. In particular, the higher line impendences associated with inverter-based wind generation results in larger voltage fluctuation under varying load. This may results in conditions where even after a fault condition has been cleared, the transmission system voltages may not recover. Therefore, this paper concentrates on the impact of weak grid condition for voltage instability. To approach it, a 6-bus system is created in Matlab/Simulink application, and voltage stability of each fault line is simulated. Through the computer-based experiments, voltage instability can be observed. Results show the impact on voltage stability and recovery in terms of the presence of wind generation levels.

Keywords

Wind generation, voltage, grids, power systems

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