GGD iru AC kekere-foliteji pinpin minisita ni o dara fun agbara eweko, substations, factories ati iwakusa katakara ati awọn miiran agbara awọn olumulo ti AC 50Hz, won won foliteji 380V, won won lọwọlọwọ 1000A to 3150A pinpin eto, bi agbara, ina ati pinpin ẹrọ ti ina agbara. iyipada, pinpin, Iṣakoso.