... the terminal power supply system to use as the substation, distribution, measurement, compensation, control and protection devices ... actual situation.S9 type ZGS11 series of prefabricated substation has the features of small size, easy ... relative standard of the IEC 61130:1995 "prefabricated substation". Technical parameters Serial No.ItemUnitParameters1Rated voltagePrimaryKV12SecondaryKV0.4,0 ...