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Dry-type transformer is a device that transforms AC voltage, current and impedance. When AC current is passed through the primary coil, AC magnetic flux is generated in the iron core (or magnetic core), which induces voltage (or current) in the secondary coil. The dry-type transformer is composed of an iron core (or magnetic core) and a coil. The coil has two or more windings. The winding connected to the power supply is called the primary winding, and the remaining windings are called the secondary winding. In a generator, whether the coil moves through the magnetic field or the magnetic field moves through the fixed coil, it can induce an electric potential in the coil, which is the principle of mutual induction. Dry-type transformer is a device that uses electromagnetic mutual inductance to transform voltage, current and impedance.
