The earthing transformer is used for limiting earth fault current during earth fault created in the system and simultaneously distribution transformer is used for supplying auxiliary supply of 415 volts for the substation, The values of zero sequence Impedance are specified...
Mobile substation or portable substation is self-contained trailer mounted substation with capacities upto 132 kV. It carries on board HV Equipments | Power Transformer | Auxiliary Transformer | High Voltage and Low Voltage Switchgear | Surge...