Kev tswj qhov kub thiab txias hauv lub toroidal transformer plays lub luag haujlwm ntawm kev tiv thaiv Circuit Court. Vim hais tias thaum lub toroidal transformer overload kev khiav hauj lwm kub yuav nce, ces lub internal kub tswj fuse yuav ua lub luag hauj lwm tsis siv neeg fais fab tuag tiv thaiv Circuit Court, thiab thaum kub poob, lub internal kub tswj fuse yuav raug muab tua, thiab lub toroidal transformer yuav ua haujlwm li qub.