Misák, SándorArslan, Emrah2018-11-162018-11-162018-11-15http://hdl.handle.net/2437/259116In my work I calculated the short circuit current and operational currents for choosing of Circuit Breakers , Discconectors and MV Fuses.The power was given it was 40 MVA,the voltage levels were 126 kV and 22 kV and according to this I choose the transformers for the grid and up to this I calculated the crossection and chhose the wires for the designed grid.I designed the grid to the worst case scenario. It was a very important task for me that we will develop this grid in the future, for this reason I used small oversizing.64enProtection of GridDEENK Témalista::Fizika