Patent ID: 6756776
Filing Date: 2004-06-29
Classification: H01F

Abstract:
A method of reducing magnetic forces exerted on a current transformer (90) positioned about a current-carrying conductor (5), wherein the current transformer (90) comprises a magnetically permeable core (100) having at least two split core parts (110, 120) separable by a gap (130), and whereinthe gap can be closed so as to allow the split core parts to form a substantially closed-loop around the current-carrying conductor in a closed configuration, and the gap can be widened so as to allow the current transformer to be removed from the current-carrying conductor, and wherein the current transformer further comprises a winding (140) having a plurality of turns of an electrical conductor wound around the magnetically permeable core, said method comprising the steps of: shorting the winding prior to closing the gap between the split core parts for achieving the closed configuration; and shorting the winding prior to separating the split core parts from each other if the split core parts are in the closed configuration.