| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain a low-priced zero-phase current detecting transformer with high manufacture efficiency, in which a winding operation of a secondary winding needing operation hours is dispensed with. SOLUTION: Two parts, counter posing a rectangular frame-like core 1, are provided with a secondary conductor 3 composed of a sheet(foil)-like high conductive material of copper, etc., of a winding number of 2 having equal conductive width. Furthermore, primary conductors 6L, 6R penetrate the interior of a core window (empty part) 7 of the rectangular frame-like core 1. Moreover, the core 1 is, similarly housed in a rectangular frame-like core case 2. A lead wire composed of a covering wire is provided to be fixed to the secondary conductor 3 with solder, etc.</p> |
