Transformer (تحقیق)

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لینک دانلود و خرید پایین توضیحات فرمت فایل word  و قابل ویرایش و پرینت تعداد صفحات: ۲۶   Transformer From Wikipedia, the free encyclopedia Jump to: navigation, search For other uses, see Transformer (disambiguation). / Three-phase pole-mounted step-down transformer. A transformer is a device that transfers electrical energy from one circuit to another through inductively coupled electrical conductors. A changing current in the first circuit (the primary) creates a changing magnetic field. This changing magnetic field induces a changing voltage in the second circuit (the secondary). This effect is called mutual induction. If a load is connected to the secondary circuit, electric charge will flow in the secondary winding of the transformer and transfer energy from the primary circuit to the load connected in the secondary circuit. The secondary induced voltage VS, of an ideal transformer, is scaled from the primary VP by a factor equal to the ratio of the number of turns of …

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