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autotransformer |
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autotransformer, n a transformer with a single winding, having a large number of connections, or taps. Used to deliver a precise voltage to the high-tension primary circuit. autotransformer a supplementary transformer with insulated primary and secondary windings on one core in a radiographical unit. It corrects fluctuations in the mains input voltage. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The device increases or decreases the active power supplied to the lamps of a ballasted lighting system -- without abrupt voltage changes -- using definitive, multi-staging of selected tap points provided on a toroidal autotransformer controlled by digital switching. Technipower products include autotransformers sold under the Variac name, and customized power supplies. |
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autotransformer