NERC Practice Test 2025 – Complete Exam Prep

Question: 1 / 400

When can dynamic reactive resources be effectively dispatched?

During high demand periods only

In response to contingency events

Dynamic reactive resources are critical for maintaining system stability and reliability in the face of disturbances. They are designed to provide dynamic reactive power support, which is essential during contingency events, such as sudden outages or disturbances in the grid. When these events occur, the electrical network may experience rapid changes in voltage and frequency, potentially leading to instability. Dispatching dynamic reactive resources in these scenarios helps to quickly restore voltage levels and stabilize the grid.

This capability to respond swiftly to contingency events ensures that the reliability of the power system is upheld, preventing cascading failures or outages. Other choices imply limitations on when dynamic reactive resources can be active, but the true strength of these resources lies in their flexibility and responsiveness, particularly when the grid faces unexpected challenges.

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Only in non-peak hours

Only when instructed by regulators

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