To Check for Abnormalities due to loose connections, broken strands of conductor, high contact resistance in tap changers, high voltage leads and bushings
Thanks for the video, i have some doubts, by using the megger which parameter you are applying (current or voltage)...? And also how much we need to apply..? ( according to transformer rating. ). Can you please tell me how much voltage or current are applying for a 1kv transformer...?