Voltage Stability

The ability of a power system to maintain steady voltages close to nominal value.

Last Updated:  June 20, 2025

Version:  1.0.0

Generated:  December 04, 2025

Definition in an Article by a Task Force

Source:

Voltage stability refers to the ability of a power system to maintain steady voltages close to nominal value at all buses in the system after being subjected to a disturbance.

Definition in a European Union Regulation

Source: p6

‘voltage stability’ means the ability of a transmission system to maintain acceptable voltages at all nodes in the transmission system in the N-situation and after being subjected to a disturbance;