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autotransformer |
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autotransformer [ˌɔːtəʊtrænsˈfɔːmə] n (Engineering / Electrical Engineering) a transformer in which part of the winding is common to both primary and secondary circuits 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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