The function is not depending on the running modes. The relays will activate in all modes including block. To
avoid activation, e.g. when the genset is stopped, the inhibit function should be used.
Regarding the inhibit function, please refer to additional functions in this document.
It is possible to adjust different levels of available power in all gensets. This gives the possibility to use sever-
al load groups if this is necessary.
Example:
In the example below, generator no. 1 is started, followed by generator no. 2. The simplified diagram shows
the two gensets and two load groups that are being connected by the available power relays R1 and R2 on
the AGC.
G
Diesel generator set 1
G
Diesel generator set 2
Load
Group 1
Trip load group 1
R1
K1
K1
Load
Group 2
Trip load group 2
R2
K2
K2
R1 R2
Multi-line 2 Multi-line 2
8.4.16 Available power functionality
The generator no. 1 is started, and the timer t1 starts running when the GB1 closes. When the t1 is expired,
the selected relay activates (R1), and in the example a 200 kW load group is connected. Now the available
power falls to 300 kW. After some time, the generator no. 2 is started and its generator breaker is synchron-
ised. When the GB2 closes, the timer t2 runs. When the timer t2 expires, the selected relay activates (R2),
and the second load group of 200 kW is connected. Now the available power falls to 600 kW.
AGC 100 Designer's Reference Handbook
4189340766 UK
Power management (AGC 14x only)
DEIF A/S Page 133 of 152
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