Heat dissipation structure of outer rotor permanent magnet synchronous wind driven generator

• Main Authors: ZUO PENG, TANG HAOYUE, LIU XIAOKE, LIU WENMAO, LI WEILI, DI JUN, CHEN RUI, QIAO TIANHUAI
• Format: Patent
• Language: Chinese; English
• Published: 30.05.2023
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERATION

The invention provides a heat dissipation structure of an outer rotor permanent magnet synchronous wind driven generator, which belongs to the technical field of generators, and is characterized in that a plurality of heat dissipation fins are arranged in each stator ventilation duct of the outer rotor permanent magnet synchronous wind driven generator and are uniformly distributed in the stator ventilation duct along the circumferential direction; the number of the radiating fins on the stator ventilating ducts between two adjacent stator slots is the same; the sheath is arranged between the stator and the permanent magnets, a plurality of strip-shaped openings are uniformly formed in the sheath, and each strip-shaped opening corresponds to one permanent magnet; a heat dissipation bag is arranged between every two adjacent permanent magnets, and cooling media are arranged in the heat dissipation bags. According to the outer rotor permanent magnet synchronous motor, the influence of the sheath on the rotor lo