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Distribution Transformer Parts Pdf Free

 
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MessagePosté le: Sam 1 Oct - 15:47 (2016)    Sujet du message: Distribution Transformer Parts Pdf Free Répondre en citant




Distribution Transformer Parts Pdf Free > urlin.us/4dpzs















































Distribution Transformer Parts Pdf Free

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The,,,,number,,,,of,,,,customers,,,,fed,,,,by,,,,a,,,,single,,,,distribution,,,,transformer,,,,varies,,,,depending,,,,on,,,,the,,,,number,,,,of,,,,customers,,,,in,,,,an,,,,area.,,,,The,,,windings,,,are,,,insulated,,,with,,,resin-impregnated,,,paper.,,,Both,,pole-mount,,and,,pad-mount,,transformers,,convert,,the,,high,,'primary',,voltage,,of,,the,,overhead,,or,,underground,,distribution,,lines,,to,,the,,lower,,'secondary',,voltage,,of,,the,,distribution,,wires,,inside,,the,,building.,,Secondary[edit].,,Where,,,large,,,numbers,,,of,,,transformers,,,are,,,made,,,to,,,standard,,,designs,,,,a,,,wound,,,C-shaped,,,core,,,is,,,economic,,,to,,,manufacture.,,,..,,,Higher,,secondary,,voltages,,,such,,as,,480,,volts,,,are,,sometimes,,required,,for,,commercial,,and,,industrial,,uses.,,

They,,,are,,,often,,,used,,,for,,,the,,,power,,,supply,,,of,,,facilities,,,outside,,,settlements,,,,such,,,as,,,isolated,,,houses,,,,farmyards,,,or,,,pumping,,,stations,,,at,,,voltages,,,below,,,30,,,kV.,,,Connecting,,,,between,,,,both,,,,hot,,,,wires,,,,gives,,,,240,,,,volts.,,,,If,,,mounted,,,on,,,a,,,utility,,,pole,,,,they,,,are,,,called,,,pole-mount,,,transformers.,,,This,,,has,,,two,,,bushings,,,on,,,top,,,which,,,are,,,connected,,,to,,,two,,,of,,,the,,,three,,,primary,,,wires,,,,so,,,the,,,voltage,,,across,,,the,,,primary,,,winding,,,is,,,the,,,phase-to-phase,,,voltage.,,,These,,buildings,,have,,customer-owned,,transformers,,in,,the,,basement,,for,,step-down,,purposes.[4],,In,,a,,secondary,,network,,system,,as,,used,,in,,urban,,areas,,,many,,distribution,,transformers,,may,,be,,connected,,in,,parallel,,,each,,equipped,,with,,its,,own,,network,,protector,,circuit,,breaker,,to,,isolate,,it,,from,,the,,secondary,,network,,in,,case,,of,,a,,fault.,,The,,,,other,,,,end,,,,of,,,,the,,,,primary,,,,winding,,,,is,,,,'grounded',,,,to,,,,the,,,,transformer's,,,,case,,,,,which,,,,is,,,,connected,,,,to,,,,the,,,,neutral,,,,wire,,,,of,,,,the,,,,3,,,,phase,,,,system,,,,,and,,,,also,,,,earth,,,,ground.,,,,As,,they,,usually,,don't,,operate,,at,,full,,load,,,they,,are,,designed,,to,,have,,maximum,,efficiency,,at,,lower,,loads.,,A,,self-protected,,transformer,,includes,,an,,internal,,fuse,,and,,surge,,arrester;,,other,,transformers,,have,,these,,components,,mounted,,separately,,outside,,the,,tank.[8],,Pole-mounted,,transformers,,may,,have,,lugs,,allowing,,direct,,mounting,,to,,a,,pole,,,or,,may,,be,,mounted,,on,,crossarms,,bolted,,to,,the,,pole.,,Some,,,industrial,,,customers,,,require,,,three-phase,,,power,,,at,,,secondary,,,voltages.,,,

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