Scientific and Technical Journal


ISSN Print 2221-3937
ISSN Online 2221-3805

The unconventional designs of tree-phase planar and spatial radial static electromagnetic systems that are different in structures and fabrication technology of magnetic core are considered.Planar magnetic core contains a middle element and symmetrical side elements. Pair of magnetic cores are performed with separation of two twisted pieces of the same width with different lengths of rectangular internal circuits.These magnetic cores are different from traditional laminated and twisted analogues respectively rounded corners zones, smaller mass and major losses in the steel and excluding the additional losses from the third harmonic of the magnetic flux. Spatial radial "lapped" laminated magnetic core with rhombic windows and "sidelong" joints is formed of only two parallelogram configurations of different lengths electrical steel plates.Electromagnetic systems with similar symmetrical magnetic cores characterized by reduced major (using anisotropic steel) and additional loss of angular zones and easy integration in cylindrical and spherical limited diameter shells. The method of optimization comparative analysis of electromagnetic systems that are different in position in space, forming circuit configuration and manufacturing elements methods is considered.The method uses a target function with relative indicators of technical level and relative geometric controlled variables.The identity of the relative performance of technical level and optimal geometric relationships of the same structures of the active part of transformers and reactors with a correspondingly identical optimization criteria, materials and production technologies is shown.


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15 Jan 2020

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