An electric transformer with improved cooling system
A technology of coil device and choke coil, which is applied in the direction of transformer/inductor coil/winding/connection, transformer/inductor parts, transformer/inductor magnetic core, etc., can solve the problem of cost and achieve low eddy current loss, Improved rotational symmetry and less noise
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[0036] figure 1 The transformer 1 is shown in the region of a transformer leg 2 which carries a multipart coil 5 . The individual sections of the coil 5 are arranged concentrically around the leg axis 4 . A bearing and clamping device 8 formed of insulating material (press span) is pressed onto the pressure ring 7 . The bearing and clamping device 8 is supported on the yoke pressure plate 9 . Transformer leg 2 is composed of highly penetrating electrical steel sheets.
[0037] figure 2 The schematic diagram shows the basis of figure 1Sectional view of line A-A. The bearing and clamping device 8 presses the individual coils 5 in the axial direction (direction of the leg axis 4 ). In this case, coil covers 6 , which are respectively arranged on the end faces of the coil elements 5 , lie in the magnetic flux. As will be explained in more detail below in the exemplary embodiment, the coil cover 6 on the one hand brings about a deflection of the magnetic flux in the end reg...
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