ComAp InteliMains NT IM-NT-BB - Page 92

InteliMains
NT
, SW version 3.2.0
InteliMains-NT-MCB-MGCB-3.2.0-Reference Guide.pdf, ©ComAp – April 2015
92
Following figure illustrates the power bands swapping in function of load evolution.
130
430
930
1430
150
450
950
1450
200
500
1000
1500
Gen 1
Gen 2
Gen 3
1700
t1 t2 t3 t4 t5
t6
t7
t8 t9
Power [kW]
Time
Sum of available nominal power – running gen-
sets in PM
Total Load of
the system
Level to start additional gen-set
Nom Pwr - #LoadResStrt X
Level to stop additional gen-set
Nom Pwr - #LoadResStop X
Handover Up Swap sequence Starting sequence Stopping sequence
Handover DOWN Swap sequence
Time
Figure: Load Demand Swapping example
step
t1
t1
->
t2
t2
t2
->
t3
t3
t3
->
t4
t4
t4
->
t5
t5
t5
->
t6
t6
t6
->
t7
t7
t7
->
t8
t8
t8
->
t9
t9
Gen#1
200
kW
LOADED
handover UP
READY
handover UP
READY
starting of gen#2
READY
starting of gen#1
LOADED
stopping of gen#1
READY
stopping of gen#2
READY
handover DOWN
READY
handover DOWN
LOADED
Gen#2
500
kW
READY
LOADED
READY
LOADED
LOADED
LOADED
READY
LOADED
READY
Gen#3
1 000
kW
READY
READY
LOADED
LOADED
LOADED
LOADED
LOADED
READY
READY