Ukuchaneka okuphezulu, kunokufikelela kwiklasi ye-0.002.
I-5 ukuya kwi-5000A uyilo lwe-transformer yangoku (okanye ngokwemfuno yomxhasi).
Isetyenziselwa ukulinganisa ngokuchanekileyo ukulinganisa kwesixhobo se-CT.
Idityaniswe nomthombo wangoku (ukhetho).
Umthwalo wenqanaba eliphindwe kabini ±2.5±j2.5mΩ.