Patent ID: 6211764
Filing Date: 2001-04-03
Classification: H01F

Abstract:
An underwater current transformer, comprising:magnetic core means comprising a plurality of elongated strips of resilient magnetic material arranged side by side and joined at the ends thereof to form a magnetic core;said magnetic core being formed into a closed loop having first, second, third and fourth sides, said sides being generally rectilinear, said magnetic core being dimensioned to receive within said closed loop a submersed electrical cable;interlocking connection means disposed along one of said sides for establishing a separable connection between a top segment and a bottom segment of said side, said segments having a top and bottom portion and said connection being locked against lateral displacement upon said segments being urged toward axial engagement;current carrying means coupled to said core along one of said sides for carrying a current to a non-submersed and remote cable condition monitoring device;a means for resisting moisture disposed about said transformer except for the bottom portion of said top segment and the top portion of said bottom segment; anda means for providing a tight seal to said interlocking connection means thereby enabling said core and said interlocking connection means to remain fully submersed.