The invention relates to an electric motor of for example a hoisting machine. The electric motor (l) according to the invention comprises a stator (4), which stator comprises slots (5), into which slots a concentrated winding (6) is fitted. The electric motor also comprises a rotating rotor (2), which rotor (2) comprises permanent magnets (3a, 3b) placed consecutively in a ring (12) in the direction of the rotational movement. The ratio (L M /L p ) of the width of a permanent Lp magnet (3a, 3b) at the center line (12) of the magnet and the width (L p ) of a magnetic pole of the rotor is at least 2/3 and at most 4/5. Further, and the direction of at least one side of at least one permanent magnet (3a, 3b) on the rotor differs from the direction of the stator s slot (5) with a slot inclination (s), the ratio s L P of which slot inclination (s) and the width (L P ) of a magnetic pole of the rotor is at least 5 36 and at most 1 5 .
ELECTRIC MOTOR, HOISTING MACHINE AND ELEVATOR SYSTEM
ELEKTROMOTOR, HEBEMASCHINE UND AUFZUGSYSTEM
MOTEUR ÉLECTRIQUE, APPAREIL DE LEVAGE ET SYSTÈME D'ASCENSEUR
16.10.2024
Patent
Elektronische Ressource
Englisch
ELECTRIC MOTOR, HOISTING MACHINE, AND ELEVATOR SYSTEM
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