Reliability: Question “Alternative Supply” check box Function

When the GEN set is connected to the Utility Bus through a CB.



“Alternative supply” option means there will be an additional supply to the load, which is connected in the bus which connected to the nearest breaker,
this fake supply is not the one in the one-line or the project.
2.


“Alternative Supply” is imaging that there is an alternative supply, what would happen, it is not real.