Double-layer direct drive type wind driven generator
A technology for wind power generators and generators, which is applied in wind power generation, electrical components, electromechanical devices, etc., and can solve problems such as large air gap eccentricity and short service life of generators
Inactive Publication Date: 2021-04-13
HIWING TECH ACAD OF CASIC
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Problems solved by technology
[0005] The invention provides a double-layer direct-drive wind power generator, which can solve the technical problems of large air gap eccentricity between the stator and rotor of the generator and short service life of the generator in the prior art
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[0019] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0020] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit t...
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The invention relates to the technical field of wind power generation, and discloses a double-layer direct drive type wind driven generator. The generator comprises an inner-layer generator structure, an outer-layer generator structure, an inner-layer magnetic suspension bearing, an outer-layer magnetic suspension bearing and a mechanical bearing, the inner-layer generator structure comprises an inner stator and an outer rotor, the outer-layer generator structure comprises an outer stator and an inner rotor, and the inner-layer magnetic suspension bearing comprises an inner-layer electromagnet and an inner-layer armature. The outer-layer magnetic suspension bearing comprises an outer-layer electromagnet and an outer-layer armature, the inner-layer magnetic suspension bearing and the outer-layer magnetic suspension bearing are both coupled with the mechanical bearing to jointly support the generator spindle, and the inner-layer electromagnet and the inner-layer armature are matched to form a bearing magnetic loop and generate electromagnetic force. And the outer-layer electromagnet and the outer-layer armature are matched to form a bearing magnetic loop and generate electromagnetic force. Therefore, the power generation capacity of the generator can be improved, unbalanced magnetic tension can be counteracted, and the problem that the movable shaft and the fixed shaft of the double-layer generator deviate greatly in the radial direction away from the fixed constraint end is solved.
Description
technical field [0001] The invention relates to the technical field of wind power generation, in particular to a double-layer direct-drive wind power generator. Background technique [0002] A wind turbine is an electrical device that converts wind energy into mechanical work and drives the rotor to rotate, and finally outputs alternating current. Wind turbines can be divided into two types: doubly-fed and direct-drive. Compared with doubly-fed wind turbines, direct-drive wind turbines directly connect the motor to the impeller for driving, eliminating the need for traditional components such as gearboxes. The direct-drive wind turbine has the advantage of using direct drive energy, omitting the gearbox structure in the doubly-fed wind turbine system, reducing the number of generator transmission components, and reducing the wear rate. Since the gearbox is a component that is easily overloaded and prematurely damaged in a megawatt wind turbine, the direct-drive wind turbin...
Claims
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Login to View More IPC IPC(8): H02K16/00H02K7/09
CPCH02K16/00H02K7/09Y02E10/72
Inventor 吕民东毛凯韩树春李云钢翟茂春李萍胡良辉谭浩王慕昊高天宇陈慧星周伟胡道宇张泉邹玲龚珺刘坤高文轶
Owner HIWING TECH ACAD OF CASIC