Magnetic Specialties, Inc. recently shipped three 1MVA, three-phase step down transformers for use in a demanding mining application.
Each transformer features a 13,200V Delta Primary with two 2.5 percent full current above and below nominal voltage taps designed for 60kV BIL. The Wye Secondary is a 480/277V configuration. These mining transformers feature copper windings and mitered cores. The 6,200-pound core and coil assembly were designed using proprietary software and Solidworks® 3D modeling.
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