| control level of all control equipment acting respectively on a specific section of the individual control level |
SEE: Figure 25.
Note 1 to entry: The group control level may be subdivided into more than one control level.
Note 2 to entry: This entry was numbered 351-31-14 in IEC 60050-351:2006.
Figure 25 – Hierarchical control structure of the control equipment of a power station