Butler winding has a variety of winding machines, bobbin/tube and Toroid.
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That includes two programmable automated machines and a taping machine for Toroids.
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For Toroids, we can(and have done)
sector winding, progressive winding, bank winding, and progressive bank winding.
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Toroid ring balun 100w A balun is an electrical device that converts between a balanced signal(two signals working against each other where ground is irrelevant) and an unbalanced signal(a single signal working against ground or pseudo-ground).
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Product name Aluminium Grading and Shielding Rings for 500KV lines Product description Grading and
shielding ring also called an anti corona ring is a Toroid of conductive material usually metal which is
attached to a terminal of high voltage.