Composite permanent magnet brushless wind power generating set
A wind power generation device, permanent magnet brushless technology, applied in wind power generation, circuit devices, wind engines, etc., can solve the problems of low power density and wear of mechanical speed-increasing gearboxes, and achieve light weight, high power density, and improved The effect of device reliability
Inactive Publication Date: 2011-05-04
SOUTHEAST UNIV
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Problems solved by technology
[0006] Technical problem: The present invention solves the problems of low power density, mechanical wear and noise of the mechanical speed-increasing gearbox in the existing wind power generation device by proposing a composite permanent magnet brushless wind power generation device, and reduces the volume of the generator, Weight and manufacturing cost, improve power generation efficiency and power factor, improve power quality
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Embodiment Construction
[0023] Below is the specific embodiment of the present invention to further describe:
[0024] The present invention is a composite permanent magnet brushless wind power generation device, which includes a wind turbine 1, a double rotor permanent magnet brushless generator 6, a dual PWM power converter 10, a filter 11 and a transformer 12; wherein, the composite magnetic The geared permanent magnet brushless generator 6 includes a permanent magnet low-speed outer rotor 2, a stationary silicon steel ring 3, a permanent magnet high-speed inner rotor 4, and a stator 5; the dual PWM power converter 10 includes a PWM rectifier 7, a capacitor 8, and a PWM inverter 9 The wind turbine 1 is directly connected to the permanent magnet low-speed outer rotor 2, the output end of the stator 5 winding is connected to the input end of the PWM rectifier 7, the output end of the PWM rectifier 7 is connected to the input end of the PWM inverter 9, and the capacitor 8 is connected in parallel betw...
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The invention relates to a composite permanent magnet brushless wind power generating set mainly consisting of a windmill, a bi-rotor permanent magnet brushless generator, a dual PWM power convertor, a wave filter and a transformer, wherein the bi-rotor permanent magnet brushless generator consists of a permanent magnet low-speed outer rotor, a static silicon iron ring, a permanent magnet high-speed inner rotor and a stator, and the dual PWM power convertor consists of a PWM rectifier, a capacitor and a PWM inverter. The invention solves the problems of mechanical abrasion, noise, maintenanceand the like of a mechanical speed-increasing gearbox in the prior wind power generating set. The generator has small volume, light weight, low manufacture cost and high generating efficiency, and can improve power factors and power quality.
Description
technical field [0001] The invention relates to a composite permanent magnet brushless wind power generation device, which belongs to the technical field of wind power generation. Background technique [0002] As the whole society continues to pay attention to energy and environmental issues, the development and utilization of renewable energy presents a trend of accelerated development. Wind energy exists widely on the earth and is currently one of the most mature renewable energy sources. In wind power installations, wind turbines convert wind energy into electricity. Wind power generation can be divided into two modes: constant speed and constant frequency and variable speed and constant frequency. Because constant-speed wind turbines cannot extract maximum wind energy, variable-speed constant-frequency wind turbines have the advantages of being able to achieve maximum wind energy tracking, convenient grid connection, and mature technology, and have become the mainstrea...
Claims
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IPC IPC(8): H02J3/00H02J3/38H02J3/01H02J3/18H02P9/04F03D7/00
CPCY02E10/72Y02E10/76Y02E40/30Y02E40/40Y02P70/50
Inventor 樊英江和和葛路明邹国棠
Owner SOUTHEAST UNIV