Home » English riddles » Electrical Measuring » Measuring Riddle No.3 – Knee point of Current Transformer » Reply To: Measuring Riddle No.3 – Knee point of Current Transformer Reply To: Measuring Riddle No.3 – Knee point of Current Transformer 2021-08-03 at 11:08 am #3162 Truong Hoang we would like to know the defind of the Magnet value : Br, Hc, iHc .