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SEL Application Guide 2020-05 Date Code 20200324
Because directionality is disabled in the default settings, we add 50P2T in the trip equation as
shown in Figure 5.
DISABLE CLOSE AND RECLOSE DURING MAINTENANCE MODE
Supervise the conditions listed in the close equation with LT01, as shown in Figure 6, so that the
relay does not allow a close when maintenance mode is enabled.
Figure 5 Trip Logic
(...) OR 50P2T
Figure 6 Close Logic