What is the short circuit current and how does it affect ...
The Sepam relay uses a value called Icc which is really the minimum short circuit current. "Isc min" refers to the smallest fault current that could flow in the event of a shortcircuit downtream of the transformer, as opposed to the maximum current available from the upstream Utility intended use of the "Isc min" setting for the ANSI 50/51 function, let us take a simple example.