Disturbance¶
Any perturbation or sudden loss of generation or interruption of load.
Definition by NERC¶
Means (i) any perturbation to the electric system, or (ii) the unexpected change in ACE that is caused by the sudden loss of generation or interruption of load.
Definition in a European Union Regulation¶
Source: 1 (p6)
‘disturbance’ means an unplanned event that may cause the transmission system to divert from the normal state;
Last modified: 2025-12-03
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(2017). Commission Regulation (EU) 2017/1485 of 2 August 2017 establishing a guideline on electricity transmission system operation. http://data.europa.eu/eli/reg/2017/1485/oj ↩