INFO
To make the effect of asymmetric P load sharing clearer, the asymmetric P load sharing
Minimum
in this example is higher
than the default (5 %).
Example: Increasing load, equal P load sharing
100
20
60
0
40
80
20
60
40
80
Power
[%]
Load
[kW]
Time
s1
2
3
4
s2
A
G
B
G
1
Parameters
s1 = Load-dependent start
s2 = Asymmetric P load sharing
Minimum
Points on graph
1. Genset A runs with load. The load increases but does not pass the load-
dependent start set point. Asymmetric P load sharing is irrelevant, since
there are no gensets to load share with.
2. Genset A reaches the load-dependent start set point. The controller
starts Genset B.
3. Genset B is connected and starts taking load.
4. Genset A and Genset B share the load equally. Asymmetric P load
sharing is not used because it would require Genset B to run under the
asymmetric P load sharing minimum (set at 30 % in this example).
DESIGNER'S HANDBOOK 4189340911K UK
Page 251 of 521
