TNSGawo lachitatu la ma voltage odziyimira pawokha limaphatikizidwa ndi TND (SVC) single phase high precisiora automatic voltage regulator, Gawo lachitatu limasintha payekhapayekha kuti litsimikizire kuti magetsi otetezeka amakhala otetezeka pa gawo lililonse. Mphamvu yolowera ya netiweki ndi magawo atatu a mawaya anayi, kulumikizana kofanana ndi nyenyezi (Y), mphamvu yotulutsa imatha kupangidwa m'magawo atatu mawaya anayi, magawo atatu a mawaya atatu, mamita atatu a ampere akuwonetsa mphamvu yotulutsa pa gawo lililonse, kuletsa voliyumu yakunja ya gawo lililonse ndi switch & kusintha kwa mita yamagetsi.