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Performing a power flow study is essential for a System Operator, primarily to assess voltage levels and system stability. This type of study analyzes how electrical power flows through a system under different loading conditions and configurations, allowing operators to identify potential areas of concern, such as voltage drops or overloading of transmission lines. Proper assessment of these factors is vital for maintaining system reliability and ensuring that the electrical grid can support the demand without risking outages or equipment damage.

Voltage levels must be monitored closely to ensure they remain within acceptable limits for both operational safety and equipment protection. If the voltage is too high or too low, it can lead to equipment failures and impact the overall performance of the power grid. Additionally, assessing system stability is crucial during various operational scenarios, helping operators anticipate and respond to potential disruptions effectively.