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Origin of generator
In 1832, the Frenchman Bixie invented the hand-cranked DC generator, the principle of which is to generate an induced electromotive force in the coil by rotating the permanent magnet to change the magnetic flux, and output this electromotive force in the form of DC voltage;
In 1866, Siemens of Germany invented the self-excited DC generator;
In 1870, Gram of Belgium made a ring armature and invented the ring armature generator. This generator uses water power to rotate the rotor of the generator. After repeated improvements, the output power of 3.2KW was obtained in 1875;
In 1882, Gordon in the United States produced a two-phase giant generator with an output power of 447KW, a height of 3 meters and a weight of 22 tons;
In 1896, Tesla's two-phase alternator started working at the Nyala Power Plant, and the 3750KW, 5000V alternating current was sent to Buffalo, 40 kilometers away.
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