TSPD-DC ikurikirana ikingira ikurikizwa kuruhande rwa sisitemu ya DC iri munsi ya 1000 V, gukingirwa bizakorwa, cyane cyane kumirasire yizuba yumuriro w'amashanyarazi akomoka ku mirasire y'izuba hamwe n'umurongo urenze urugero rw'imirongo iri hagati y'izuba n'impande za DC zatewe n'umurabyo cyangwa izuba .