IEVref:692-02-04ID:
Language:enStatus: Standard
Term: adequate state, <of an electric power system>
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Definition: stable state in which all loads are supplied, system components are not stressed beyond their ratings, and voltages and frequency remain within tolerances

Figure 2 – Electric power system states

NOTE The arrows indicate the most important state transitions caused by credible events. Recovery transitions, in opposite directions, are effected by operator intervention.

Figure 3 – Examples of transitions within electric power system states

Figure 6 – Examples of electric power system states and corresponding system operation status

Note 1 to entry: This entry was numbered 191-22-03 in IEC 60050-191:1990.


Publication date:2017-12-15
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