my device is used to test the insulation of the electrical equipments by applying high voltage DC to the device and merasuring the leakage current to the earth
I observed that my device always injects negative votage instead of positive voltage with a zero volt on the other side of tested item...
my device supplies negative (-V) to the tested item and a zero volt to the Earth and this zero volt terminal is the earthing terminal of the test device
it does not provide +v and -v
I hope you understood what i mean
Hi every body
I've some question that need to be answered
WHy DC high voltage test devices always generate negative voltage rather than positive voltage
I hope that i can get an answer
Thanks