Configure the parameters under Configure > Parameters > Local power management > Advanced blackout prevention >
Overload on a DG.
Table 4.37 Default parameters
Parameter Range Default
Set point 70 to 250 % 120 %
Delay 0 s to 1 h 3 s
Enable Not enabled, Enabled Not enabled
Latch Not enabled, Enabled Enabled
Action Trip bus tie breaker
Inhibit Bus tie breaker open
4.10.8 Reverse power on DG
This advanced blackout prevention alarm can be activated if the reverse power to any genset in
the section exceeds the alarm set point.
Controller types: This alarm is present in BUS TIE breaker controllers.
Configure the parameters under Configure > Parameters > Local power management > Advanced blackout prevention >
Reverse power on a DG.
Table 4.38
Default parameters
Parameter Range Default
Set point -25 to -0.1 % -5 %
Delay 0 s to 1 h 3 s
Enable Not enabled, Enabled Not enabled
Latch Not enabled, Enabled Enabled
Action Trip bus tie breaker
Inhibit Bus tie breaker open
4.10.9 Reactive power export on DG
This advanced blackout prevention alarm can be activated if the reactive power export from any
genset in the section exceeds the alarm set point.
Controller types: This alarm is present in BUS TIE breaker controllers.
Configure the parameters under Configure > Parameters > Local power management > Advanced blackout prevention >
Reactive power export on a DG.
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