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ComAp IG-NTC - Pwr management - Setpoints; #MinRunPower Selection; Running Hours Balancing Settings; #PwrBandContr and #PwrBandChngDel Settings

ComAp IG-NTC
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Inteli NT GeCon MINT, SW Version 1.4, ©ComAp – June 2007
IGS-NT-GeCon-MINT-1.4.PDF
55
When binary input MinRunPower X is closed, the corresponding #MinRun power X value is selected. When
more binary inputs MinRunPower X are closed, the higher number has higher priority. When no input closed,
no #MinRunPower X is selected and minimum running power is zero, leaving only the load reserves system
to work.
Step: 1 kW
Range: 0 – 65000 kW
Hint:
An engine will be stopped only if the sum of remaining gen-sets’ nominal powers is higher or equal to
#MinRunPower X level.
RunHoursBase [ h ] (FV)
Running hours base to correct actual Running hours (previous) differences between particular gen-sets.
Step: 1 h
Range: 0 - 200000 h
Force value: Yes
Example:
Gen-set 1 actual Running hours = 1000 h.
Gen-set 2 actual Running hours = 2000 h.
Adjust RunHoursBase for Gen-set 1 = 1000 h and RunHoursBase for Gen-set 2 = 2000 h to be on the same
base for Running Hours Equalization.
#RunHrsMaxDiff [ h ]
Maximum allowed Running hours difference between gen-sets. Conditions to take part in Running Hours
Equalization:
Pwr management = ENABLED.
#PriorAutoSwap = RUN HOURS EQU
Binary input Sys start/stop is closed.
When a gen-set reaches #RunHrsMaxDiff value its Priority is automatically swapped with lowest priority gen-
set that takes part in Running Hours Equalization.
Step: 1 h
Range: 0 - 65000 h
#PwrBandContr 1
#PwrBandContr 2
#PwrBandContr 3
#PwrBandContr 4 [ 1 / 2 / 1+2 / 3 / 1+3 / 2+3 / 1+2+3 ]
According to selected controller addresses combination (controllers must have addresses 1-3), running gen-
sets are selected based on the actual site load.
The limits of site power bands are given by nominal powers of particular gen-sets. The gen-sets that are
required to run in certain power band get the priorities 1, other gen-sets get the priority 32. This system does
not influence the setpoint Priority.
Example:
Gen-set 1 = 20 kW
Gen-set 2 = 50 kW
Gen-set 3 = 100 kW
#PwrBandContr1 = 1 (active if load under 20-#LoadResStrt X kW)
#PwrBandContr2 = 1+2 (active between 20 .. 70-#LoadResStrt X kW)
#PwrBandContr3 = 3 (active between 70 .. 100-#LoadResStrt X kW)
#PwrBandContr4 = 2+3 (active between 100 .. 150-#LoadResStrt X kW)
Above the last power band, all gen-sets will be instructed to run.
#PwrBandChngDel [ s ]
Delay for #PwrBandContr X setpoints. The site load must stay in another power band for more than
#PwrBandChngDel to switch to this power band, i.e. select different gen-sets to run.
Step: 1 s

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