Ikhabhinethi yokusabalalisa kagesi iyingxenye yesistimu kagesi enomsebenzi wayo ukusabalalisa amandla kagesi. Ihlanganisa ukusabalalisa, ukuvikela, ukulinganisa, ukulawula kanye nezinsimbi zokubonisa. Ibhokisi lokusabalalisa kagesi liqukethe nezintambo, izinhlobo ezahlukene zokuvikela, kanye nezingxenye zokusekela.
I-transformer yekhabhinethi yokusabalalisa amandla ingenye yemishini ebalulekile ohlelweni lokuphakelwa kwamandla nokusabalalisa lwamabhizinisi ezimboni kanye nezimayini kanye nezakhiwo zomphakathi. Yehlisa i-voltage yenethiwekhi engu-10(6)kV noma engu-35kV ibe yi-voltage yebhasi engu-230/400V esetshenziswa abasebenzisi. Lolu hlobo lomkhiqizo lufanelekela i-AC 50(60)Hz, umthamo olinganiselwe wesigaba sesithathu ongu-2500kVA (umthamo olinganiselwe wesigaba esisodwa ongu-833kVA, ngokuvamile akukhuthazwa ukusebenzisa i-transformer yesigaba esisodwa), ingasetshenziswa endlini (ngaphandle), umthamo ongu-315kVA nangaphansi ungafakwa endukwini, izinga lokushisa elizungezile aliphakeme kune-40℃, hhayi ngaphansi kwe--25℃, izinga lokushisa elijwayelekile lansuku zonke lingu-30℃, izinga lokushisa elijwayelekile lonyaka eliphakeme lingu-20℃, umswakama ohlobene awudluli ku-90% (izinga lokushisa elizungezile lingu-25℃), kanye nokuphakama akudluli ku-1000m.