At what high frequency do generators typically trip?

Generators are typically designed to operate within a specific frequency range that is standard for power systems, such as the 60 Hz frequency commonly used in North America. However, measures are in place to protect equipment and maintain system stability, which includes frequency trip settings.

When the frequency exceeds the nominal 60 Hz, these systems have safeguards that trigger a trip to prevent damage or system instability. The typical threshold for tripping generators is generally set above the nominal frequency. In many systems, this threshold is around 61.5 Hz to 62.0 Hz, as these levels indicate that the frequency is moving out of the acceptable range that could jeopardize the efficient operation of the power grid.

In this context, the correct choice of 61.75 Hz aligns with industry standards where generators have protective settings designed to trip at frequencies slightly above the nominal to avoid overloading and ensure stability. The choice reflects an awareness of operational safety and reliability within the power generation and transmission sectors.