LIST Power transformer remanence and Demagnetizing Gapless MOA 0.75U1mA Test by DC Hipot Why TTR couldn’t test CVT Ratio Why tanδ couldn’t be replaced with IR Why is Tan Delta measured in high voltage? What is suitable power source for HV Tan Delta? What is suitable test frequency for HV Tan Delta? Transformer IVW/IVPD Test, M-G sets or SFC?