InteliMains
NT
, SW version 3.2.0
InteliMains-NT-MCB-MGCB-3.2.0-Reference Guide.pdf, ©ComAp – April 2015
7.6.2.2.3 Absolute Power Management
The power management based on absolute load reserves can be successfuly used in cases the load
portions are similar to the gen-set capacity or even bigger. The goal of the absolute reserve mode is to
provide the same load reserve all the time independently on how many gen-sets are currently running.
The mode perfectly fits for industrial plants with large loads.
The absolute power management guarantees adjustable load reserve in kVA or kW.
Activation:
Pwr management: #Pwr mgmt mode = ABS (kW) - Based on active power load reserve.
Suitable for load demand-based optimization
Pwr management: #Pwr mgmt mode = ABS (kVA) - Based on apparent power load reserve.
Suitable for generator or busbar
dimensioning-based optimization.
Sum of available nominal power
– running gen-sets in PM
Total Load of the system Starting sequence Stopping sequence
Gen1
Priority 1
Gen2
Priority 2
Gen3
Priority 3
Gen 1 Running, loaded
Gen 2
#LoadResStrt1
#LoadResStrt1
Starting
sequence
Running, loaded
Gen 3
Running, loaded
#LoadResStop1
Stopping
sequence
#LoadResStop1
Actual power [ kW or kVA ]
BO Syst res OK
#LoadResStrt1
Time
Stopping
sequence
Time
Starting
sequence
Stopped and ready
to PM
Stopped and
ready to PM
Figure: Power management based on absolute load reserve
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