Nke mbụ, nyocha
Ugbu a transformer (CT) ọtụtụ-eji na isi nha, akara na nchebe na ike systems.Mgbe nkịtị ọrụ, nke abụọ n'akụkụ na dị ka obere sekit ala, mmepụta voltaji dị nnọọ ala, ma na-arụ ọrụ ma ọ bụrụ na nke abụọ winding oghe sekit, ma ọ bụ a. ifufe site na-adịghị mma ugbu a (dị ka ọkụ ọkụ ugbu a, resonance ugbu a, capacitor charging ugbu a, inductor mmalite nke ugbu a, wdg), ga-abụ na nke abụọ n'akụkụ nke puku kwuru puku ma ọ bụ ọbụna iri puku kwuru iri puku volts nke overvoltage, nke a ọ bụghị nanị na nke abụọ usoro. mmerụ ahụ mkpuchi, na ọbụna na-etinye nchekwa nke ndị ọrụ.
Ihe nchekwa CTB nke abụọ nke CT B usoro ihe ngbanwe ugbu a nke ụlọ ọrụ anyị mepụtara bụ maka ọnọdụ a, nke nwere ike igbochi ihe ọghọm nke sekit mepere emepe nke CT nke ọma.