Rotor Angle Stability

The ability to remain in synchronism under normal and disturbed conditions.

Last Updated:  June 19, 2025

Version:  1.0.0

Generated:  November 06, 2025

Definition in an Article by a Task Force

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Rotor angle stability is concerned with the ability of the interconnected synchronous machines in a power system to remain in synchronism under normal operating conditions and to regain synchronism after being subjected to a small or large disturbance.