Nkọwa Dị Mkpirikpi:

Usoro TND/svc nke na-achịkwa voltaji na akpaghị aka nwere transformer kọntaktị, moto servo, sekit njikwa akpaka wdg. Mgbe enweghị ike voltaji grid ma ọ bụ ibu gbanwere, sekit njikwa na akpaghị aka na-eziga mgbaama iji chụpụ moto servo, gbanwee ọnọdụ nke onye na-achịkwa voltaji njikọ onwe ya maka ahịhịa carbon, mee ka ọkwa voltaji mmepụta ruo ọnọdụ kwụsiri ike. Ngwaahịa a nwere arụmọrụ ebili mmiri na-enweghị mgbagha, arụmọrụ a pụrụ ịtụkwasị obi. Ọrụ ogologo oge na njirimara ndị ọzọ, nwere igbu oge, oke voltaji, ọrụ nchekwa voltaji n'okpuru voltaji. Enwere ike iji ya mee ihe n'ọtụtụ ebe na ọkụ eletrik nke chọrọ voltaji kwụsiri ike, ọ bụ ụdị ọkọnọ voltaji zuru oke. Hụ na ọrụ gị nke ngwa eletriki nkịtị