InteliMains 210 Global Guide
91
step 0 1 2 3 4 5 6 7 8 9 10 11 12 13
RHE1 100 211 211 232 233 255 255 255 272 272 272 288 288 288
RHE2 200 200 222 222 244 244 261 261 261 277 277 277 294 294
RHE3 250 250 250 250 250 250 250 266 266 266 283 283 283 299
Run G1
(ΔRHE1)
0 111 0 22 0 22 0 0 17 0 0 16 0 0
Run G2
(ΔRHE2)
0 0 22 0 22 0 17 0 0 16 0 0 17 0
Run G3
(ΔRHE3)
0 0 0 0 0 0 0 16 0 0 17 0 0 16
Note: Setting #Run Hours Max Difference (page 200) = 5 does not mean that gen-sets swap every 5 hours. The
Swap time is determined by the formula stated above. Please read the entire chapter Running hours
equalization for better understanding.
Note: In the case #Run Hours Max Difference (page 200) is set to 0 and all gen-set in the group are at the same
initial point (RHE are equal), the gen-set swapping happens every hour.
Efficiency
The gen-sets engine priorities are automatically swapped to best fit to the actual load demand (load demand
swap - LDS). Also engine running hours are taken to the calculation (run hours equalization - RHE). This
function is activated via setpoint #Priority Auto Swap (page 192) = Efficiency.
Algorithm of function:
In the first step, the gen-sets are sorted according to their nominal power.
In the second step, the gen-sets with the same nominal power are sorted according to their RHE
The gen-set(s) with nominal power which fits the most actual load demand are chosen. From those with
same nominal power, the gen-set(s) with lowest RHE are chosen. Selection formula:
#Power Management Mode (page 192) = ABS (kW)
Nominal power of gen-set > actual load demand + #Starting Load Reserve 1 (page 193)
#Power Management Mode (page 192) = REL (%)
Nominal power of gen-set > (actual load demand × 100)/(100 - #Starting Rel Load Reserve 1 (page
194))
If two or more gen-sets are available for taking over the load always the one with the lowest CAN address is
chosen.
If load demand is higher than nominal power of the biggest gen-set, this one is fixed and the whole process
repeats from point the third bullet.
Example: The system structure and its settings is shown on the figure below.
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