How much load should be restored at one time during system restoration?

Study for the NERC Transmission Operations (TOP) Exam with our multiple choice questions and comprehensive explanations. Prepare effectively and boost your confidence for test day!

During system restoration, it is recommended to restore load in blocks of 5% of the online generation capacity. This approach helps ensure stability and reliability throughout the restoration process.

Restoring load in manageable increments like 5% allows operators to closely monitor system conditions, ensuring that generation resources can accommodate the additional load without risking system instability or overload. By using defined blocks, operators can make more informed decisions while balancing generation and load, thus safeguarding against potential issues that could arise from rapid or excessive load additions.

Choosing increments that are either too small or too large could lead to complications. Smaller increments would require more frequent adjustments, making the restoration process cumbersome and potentially leading to confusion or errors in load management, while larger blocks may introduce risks of system instability if the generation capacity cannot meet the load added at once.

This method also aligns with industry best practices, which emphasize measured and controlled restoration steps to foster a systematic return to normal operating conditions.

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