If the RTU signal for power flow over a tie-line is significantly in error, what should the system operator of BA ABC do?

The choice to adjust the control settings to compensate for the equipment error is appropriate because it helps maintain system reliability and stability until a permanent fix can be implemented. By making temporary adjustments, the system operator can mitigate the impact of the erroneous RTU signal on power flow. This proactive approach is particularly crucial in the context of grid operations, where accurate measurements are essential for effective control.

The response recognizes the need for immediate action in a dynamic power system environment. Ignoring the error or waiting for repairs to be made could lead to imbalances, potential overloads, or even cascading failures, especially if the error is significant and persistent. Thus, taking steps to temporarily adjust control settings helps ensure that operational goals are met while safeguarding system integrity.

This approach also reflects best practices in grid management, where operators often need to implement quick fixes to respond to real-time conditions effectively. By temporarily adjusting settings rather than relying solely on automation or delaying action, operators can exert more control over the situation and reduce the risks associated with erroneous data.