GGD nooca AC golaha qaybinta danab yar yahay mid ku haboon dhirta korontada, substations, warshadaha iyo shirkadaha macdanta iyo kuwa kale ee isticmaala awoodda AC 50Hz, danab ku qiimeeyay 380V, lagu qiimeeyay hadda 1000A in 3150A nidaamka qaybinta, sida korontada, nalka iyo qaybinta qalabka tamarta korontada beddelidda, qaybinta, xakamaynta.