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An important class of three-phase load is the electric motor. A three-phase induction motor has a simple design, inherently high starting torque and high efficiency. Such motors are applied in industry for many applications. A three-phase motor is more compact and less costly than a single-phase motor of the same voltage class and rating, and ...
The history of linear electric motors can be traced back at least as far as the 1840s to the work of Charles Wheatstone at King's College in London, [3] but Wheatstone's model was too inefficient to be practical. A feasible linear induction motor is described in US patent 782312 (1905; inventor Alfred Zehden of Frankfurt-am-Main), and is for ...
FS Class E.432 was a class of three-phase electric locomotives of the Italian State Railways. Forty of these 1′D1′ locomotives were built in 1928 by Società Ernesto Breda and two have been preserved.
The three-phase induction is now used for the vast majority of commercial applications. [57] [58] Mikhail Dolivo-Dobrovolsky claimed that Tesla's motor was not practical because of two-phase pulsations, which prompted him to persist in his three-phase work. [59] The General Electric Company began developing three-phase induction motors in 1891 ...
As an example, consider the use of a 10 hp, 1760 r/min, 440 V, three-phase induction motor (a.k.a. induction electrical machine in an asynchronous generator regime) as asynchronous generator. The full-load current of the motor is 10 A and the full-load power factor is 0.8. Required capacitance per phase if capacitors are connected in delta:
It was one of the cheapest 4-door electric cars in the world, and one of the cheapest 4-door cars with an automatic gearbox (technically, it had no conventional gearbox. [4]) [citation needed] Initially, it was offered in 4 different trims: P2, P4, P6 and P8. The first three variants had a 19 kW motor powered by a 48V battery pack.
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