Siemens SIPROTEC 4 7UT6 Series Manual page 173

[ueb-ansprechwertumsch-020926-rei, 1, en_GB]
Figure 2-84
During power up of the protective relay with an open circuit breaker, the time delay CB Open Time is
started, and is processed using the "normal" settings. Therefore, when the circuit breaker is closed, the
"normal" settings are effective.
SIPROTEC 4, 7UT6x, Manual
C53000-G1176-C230-5, Edition 09.2016
Dynamic Cold Load Pickup Timing Sequence
2.6 Dynamic Cold Load Pickup for Time Overcurrent Protection
Functions
173