Three-phase 24/20 pole distributed electro-magnetic doubly salient wind driven generator
A technology of electrically excited double salient poles and wind power generators, which is applied to electrical components, electromechanical devices, electric components, etc., can solve the problems of high rectification output voltage fluctuation rate and torque fluctuation rate, and achieve reduction of rectification output voltage pulsation, The effect of increasing the output capacity and reducing the electromagnetic torque fluctuation rate
Pending Publication Date: 2020-12-18
SHANGHAI UNIVERSITY OF ELECTRIC POWER
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[0004]
The purpose of the present invention is to provide a three-phase 24 / 20 pole distribution electric excitation double salient pole in order to overcome the defects of the above-mentioned prior art that the rectification output voltage fluctuation rate and torque fluctuation rate of the electric excitation double salient pole generator are relatively high Wind Turbines
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[0029] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation methods and specific operation processes are given, but the protection scope of the present invention is not limited to the following embodiments.
[0030] like figure 1 As shown, a three-phase 24 / 20 pole distribution electrically excited double salient pole wind power generator includes an electrically excited double salient pole motor with 24 / 20 pole distribution and a three-phase uncontrolled rectifier diode, and the electrically excited double salient pole motor includes a stator 1 and the rotor 2, the stator 1 is provided with a plurality of stator poles 3, and the excitation coils are wound on the stator poles 3, and the excitation coils are connected to each other to form an excitation winding 5, and the stator po...
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The invention relates to a three-phase 24 / 20 pole distributed electro-magnetic doubly salient wind driven generator, which comprises a 24 / 20 pole distributed electro-magnetic doubly salient motor anda three-phase uncontrolled rectifier diode, and is characterized in that the electro-magnetic doubly salient motor comprises a stator and a rotor, a plurality of stator poles are arranged on the stator, excitation coils are wound on the stator poles,the excitation coils are connected with one another to form excitation windings, armature coils are further wound on the stator poles, the armature coils on former stator pole and the later which are spaced by two stator poles are connected with each other to form three armature windings, the three armature windings form a three-phase armature winding, one end of the three-phase armature winding is led out and combined together to form a negative electrode of the wind driven generator. and the other end is connected with the three-phase uncontrolled rectifier diode to serve as the positive electrode of the wind driven generator to form a full-bridge rectifier circuit. Compared with the prior art, the method has the advantages of narrowing voltage fluctuation ratio and reducing the torque fluctuation ratio of the generator, improving the output capacity of the motor and the like.
Description
technical field [0001] The invention relates to the technical field of special motors, in particular to a three-phase 24 / 20 pole distribution electric excitation double salient pole wind power generator. Background technique [0002] At present, the main types of wind power generators are cage-type asynchronous generators, doubly-fed generators and permanent magnet synchronous generators. and high power density, but the air gap magnetic field cannot be adjusted. High reliability, low-speed direct drive, and high efficiency are the development trends of wind turbines. Electric excitation double salient pole is a new type of brushless motor, its stator and rotor are salient pole cogging structure, armature winding and excitation winding are installed on the stator, and there is no winding on the rotor. The excitation winding on the stator is wound around the armature winding to provide an excitation magnetic field. This structure can easily realize the magnetic field adjustm...
Claims
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Login to View More IPC IPC(8): H02K3/28H02K11/04
CPCH02K11/046H02K3/28Y02E10/72
Inventor 赵耀滕登晖李东东杨帆林顺富
Owner SHANGHAI UNIVERSITY OF ELECTRIC POWER