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.
Set
point
Value
time
Delay
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.
Set
point
Value
time
Delay
Configure the parameters under
Configure > Parameters > Local power management > Advanced blackout prevention >
Reactive power export on a DG
.
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