Hydraulic coupling transmission device for wind turbine generator and working method of hydraulic coupling transmission device

Abstract

The invention discloses a hydraulic coupling transmission device for a wind turbine generator and a working method of the hydraulic coupling transmission device, and belongs to the field of logical design of wind turbine generators. The hydraulic coupling transmission device comprises a fan impeller used for starting the wind turbine generator, a small constant-speed-ratio hydraulic coupling, a wind turbine generator electric generator, a coupling auxiliary device, cables and an alternating-current power supply; the fan impeller is mounted in front of the small constant-speed-ratio hydraulic coupling, the wind turbine generator electric generator is mounted behind the small constant-speed-ratio hydraulic coupling, and the fan impeller, the small constant-speed-ratio hydraulic coupling andthe wind turbine generator electric generator are arranged coaxially; and the coupling auxiliary device is arranged in a wind turbine generator cabinet, and used for detecting all temperature measuring point values of the small constant-speed-ratio hydraulic coupling and providing auxiliary services such as an oil tank, cooling and purification for the small constant-speed-ratio hydraulic coupling, and the coupling auxiliary device is connected with the alternating-current power supply through the corresponding cable. The hydraulic coupling transmission device is perfect in structure, compactin system, high in practicality and suitable for use in the wind power industry, and has operability and wide applicability.

Description

technical field [0001] The invention relates to a transmission device of a hydraulic coupling of a wind turbine and a working method thereof, and belongs to the field of logic design of the wind turbine. Background technique [0002] Wind power generation is the most mature renewable energy power generation except for hydropower, and its installed capacity accounts for the vast majority of the total installed capacity of renewable energy power generation. [0003] Wind turbines include wind rotors and generators. The wind rotors contain blades, hubs, and reinforcements. The wind power supply consists of wind turbines, towers supporting the generators, battery charging controllers, inverters, unloaders, grid-connected controllers, battery packs, etc. [0004] Wind turbines have huge equipment, complex structures, and many potential safety hazards. In recent years, accidents such as broken teeth in the gearbox of wind turbines have occurred many times. Therefore, a hydraulic ...

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Problems solved by technology

[0004] Wind turbines have huge equipment, complex structures, and many potential safety hazards. In recent years, accidents such as broken teeth in the gearbox of wind turbines have occurred many times. Therefore, a hydraulic coupling transmission device for wind turbines is urgently needed to protect wind turbines.

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