INDUCTOR FOR THE EXCITATION OF POLYHARMONIC ROTATING MAGNETIC FIELDS
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United States of America Patent
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app pub date -
Apr 30, 2008
filing date -
Dec 16, 2002
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Abstract
An inductor for the excitation of polyharmonic rotating magnetic fields (RMF) for controlling the crystalline structure of continuous ingots and castings in metallurgy and other foundry applications. The inductor design makes it possible to use standard sources of sinusoidal currents for generating polyharmonic RMF, and significantly increase cos φ of the inductor.
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