3 isigaba 6 kva ii-transformers zenziwa kumzi-mveliso we-transformer wamandla waseTshayina ngezixa ezikhulu. ‘Isigaba esi-3’ sibhekiselele kwimigca emithathu ephilayo, eyahlulwe ngamadigri angama-120 ombane iAngle kwisigaba. ‘6 kva‘ uthetha amandla ombane wenkonzo yi-6KV, ekufuneka ehliswe aye kumbane osezantsi onjenge-400V, 120V kunye njl.