Yakakodzera kuita kuyerwa kwekupokana kwekudzivirira (IR), kunyura chiyero (DAR), polarization index (PI), kuvuza ikozvino (Ix) uye kunyura capacitance (Cx) yemhando dzese dzemhando yepamusoro magetsi, kusanganisira switchgear, transformers, reactor, capacitor, motors, jenareta uye tambo, nezvimwe.