Siemens SIPROTEC 4 7SJ61 User Manual

functions enabled, the timers of all overcurrent relay elements are stopped and may then be restarted based
on their "normal" duration.
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.
The following figures show the timing sequenceand the logic diagram of the dynamic cold load pickup
feature.
[zeitablaeufe-der-dynamischen-parameterumschaltung-260602-kn, 1, en_US]
Figure 2-19
Timing charts of the dynamic cold load pickup function
Functions
2.3 Dynamic Cold Load Pickup
SIPROTEC 4, 7SJ61, Manual 73
C53000-G1140-C210-6, Edition 05.2016

Siemens SIPROTEC 4 7SJ61 Specifications

General

Brand	Siemens
Model	SIPROTEC 4 7SJ61
Category	Relays
Language	English