ANNEX VI
Frequency ranges and time periods referred to in Article 39(2)(a)
Frequency range
Time period for operation
47,0 Hz-47,5 Hz
20 seconds
47,5 Hz-49,0 Hz
90 minutes
49,0 Hz-51,0 Hz
Unlimited
51,0 Hz-51,5 Hz
90 minutes
51,5 Hz-52,0 Hz
15 minutes
Table 8 : Minimum time periods for the 50 Hz nominal system for which a PPM shall be capable of operating for different frequencies deviating from a nominal value without disconnecting from the network.
Compiled from an official source version. Later amendments or repeals may not be reflected; the official text prevails. · Read the official text ↗ · Data as of 2026-07-04
CitationANNEX VI of Commission Regulation (EU) 2016/1447 (LawPlayer, data as of 2026-07-04)