Iswitshi yokuvula umthwalo efakwe kwi-oyile enezikhundla ezimbini isetyenziselwa ikakhulu utshintsho lwebhokisi yaseMelika yohlobo lwesiphelo, kunye nendlela yokusebenza yasentwasahlobo, siswitshi sokudibanisa esinezigaba ezintathu ukugqiba umsebenzi wokwaphula nokuvala umthwalo.
Iiswitshi zomthwalo ezibini ezikwindawo ezimbini nazo zinokwenziwa yinkqubo yokutshintsha uhlobo lweringi kwinkqubo yokusasazwa kohlobo lweringi, imeko yeswitshi ekwindawo ezimbini: ivuliwe, ivaliwe. Uvavanyo lwe-10kV lungasetyenziselwa iiprojekthi zamandla omoya xa kusetyenziswa iitransformer.
Ngaphambi kokusebenzisa i-transformer kufuneka yomiswe.
Hlangana nemigangatho ye-JB/T10681-2006, ukusetyenziswa kwemiqathango ehambelana nemigaqo ye-GB10230.
| Inkcazo | Iiparameters | |||
| (kV) I-voltage yokusebenza eqhubekayo | 6 | 10 | 20 | 35 |
| (kV) Izixhobo ze-voltage ephezulu | 7.2 | 12 | 24 | 40.5 |
| (kV)BIL kunye neFull Wave Grest | 60 | 75 | 125 | 200 |
| (A) Umsinga oqhelekileyo oqhelekileyo | 200 | 315 | 400 | 630 |
