Abstract
To investigate the possible performances of electromagnetic steel products before their constructions, adequate assessments of the related losses are required. Without using the detailed finite-element analyses, based on the ideas of common magnetic equivalent circuit and numerical Epstein Frame test circuit, a rational iron loss emulation scheme will be proposed. By properly modeling the possible magnetizing recoil loops, this scheme can process those information on the electromagnetic steel datasheets supplied by the manufacturers directly. Therefore, the detailed hysteresis inner-loop characteristics resulted from product structures and magnetization harmonics can be appropriately modeled, and a reliable and convenient iron loss assessment scheme for the electromagnetic steel products in the design and online operation stages can be established.
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