TNShui pū ʻia ʻekolu mau ʻāpana kiʻekiʻe kiʻekiʻe me ka TND(SVC) hoʻokahi manawa kiʻekiʻe precisiorautomatic voltage regulator, ʻEkolu mau ʻāpana e hoʻoponopono i kēlā me kēia mea e hōʻoiaʻiʻo i ka uila palekana paʻa i kēlā me kēia pae, ʻO ka mana komo o ka pūnaewele he ʻekolu mau ʻāpana ʻehā uea ʻōnaehana, pili hōkū (Y), hiki ke hana i ka mana puka i ʻekolu mau ʻāpana ʻehā mau uea ʻekolu, ʻekolu mau manawa e hōʻike ai i nā uea o kēia manawa. vollage o kēlā me kēia māhele e ka aswitch & ka hoʻololi ʻana o ka mita voli.