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ALTERNATOR Service & Operating Manual . LEROY SOMER SERVICE AND OPERATING MANUAL 2327 en – 11.2011 / o . 2.1 STATOR 2.1.1 Electric machine armature a) Mechanical description 2.1.2 Excitation field winding . 7.4.2 Cleaning the stator, rotor, excitation and diodes a) using specific chemical product
Salient pole rotor. The rotor is a large magnet with poles constructed of steel lamination projecting out of the rotor’s core. The poles are supplied by direct current or magnetized by permanent magnets. The armature with a three-phase winding is on the stator where voltage is induced.
In motors. Depending on the configuration of a spinning electromotive device the stator may act as the field magnet, interacting with the armature to create motion, or it may act as the armature, receiving its influence from moving field coils on the rotor.The first DC generators (known as dynamos) and DC motors put the field coils on the stator, and the power generation or motive reaction .
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In general, the induction motor is cheaper and easier to maintain compared to other alternatives. The induction motor is made up of the stator, or stationary windings, and the rotor. The stator consists of a series of wire windings of very low resistance permanently attached to the motor frame.
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Most brushless DC windings are interconnected in an array, and most units are fitted with a trio of Hall sensors at one stator end. These Hall sensors output low and high signals when the rotor .
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Cogging is the jerky, non uniform angular velocity of a machine rotor particularly apparent at low speeds in motors with a small number of poles. It occurs because the rotor tends to speed up as it approaches the stator poles and to slow down as it leaves the poles.
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An electric motor is an electrical machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of rotation of a shaft.
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An electric machine having multi-set rectangular copper hairpin windings comprises a stator having a plurality of partially closed stator slots. A first winding set and a second winding set are positioned in the stator slots. The first winding set and the second winding set are connected by adjacent leg ends. According to a first embodiment, conductor layers in alternate slots alternate .
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In an electric generator, the rotor is mechanically driven by an armature and has a wound wire coil … around it. The stator in a generator contains permanent magnets, and when the coil spins .