CN114483455A - A high-efficiency wind generator and its power generation control method - Google Patents

Abstract

The invention discloses a high-efficiency wind generator and a power generation control method thereof. The invention comprises a fan main shaft, a fan blade and a power generation cavity. The power generation cavity is provided with a central gear, a generator gear, an electromagnetic clutch and a generator to generate power. The number of machine gears, electromagnetic clutches and generators is at least two respectively; the fan blades are installed on the upper end of the fan main shaft, the lower end of the fan main shaft extends into the power generation cavity, and the central gear is installed at the lower end of the fan main shaft, and can follow the fan shaft. The main shaft of the fan rotates together; at least two generator gears mesh with the central gear, the generator is arranged below the generator gear, and an electromagnetic clutch is installed between the generator gear and the generator. The electromagnetic clutch has a driving shaft and a driven shaft. The driving shaft of the clutch is connected with the central rotating shaft of the generator gear, and the driven shaft of the electromagnetic clutch is connected with the central rotating shaft of the generator. The invention can still drive the generator to work and generate electricity under the environment of 2-3 light wind and breeze.

Description

A high-efficiency wind generator and its power generation control method

technical field

The present invention relates to the technical field of micro or small wind generators, in particular to a high-efficiency wind generator and a power generation control method thereof.

Background technique

Wind turbines are generally composed of fan blades, generators, and energy storage devices. The working principle of the wind turbine is that the fan blades rotate under the action of the wind, which converts the kinetic energy of the wind into the mechanical energy of the main shaft of the fan. The fan blade is a wind collecting device, and its function is to convert the kinetic energy of the flowing air into the mechanical energy of the rotation of the main shaft of the fan. The generator rotates and generates electricity under the drive of the main shaft of the fan, and then stores the generated electricity through the energy storage device or directly transmits the electricity. In the prior art, a wind turbine is equipped with a fan blade, a fan main shaft and a generator, that is, the structure of a single generator is adopted, and the power generation of the wind generator mainly depends on the power of the fan blade and the generator. performance parameters. The wind power level changes all the time, and the usual wind power level is from 0 to 12. Since the wind turbine in the prior art adopts the structure of a single generator, the power of a single generator is equivalent to that of the entire wind turbine. Therefore, the power of a single generator is relatively large, and wind power of grade 4 or even more than 5 is required to enable a single generator to generate electricity, while wind power of grade 2-3 is difficult to drive a single generator to work. normal power generation.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a high-efficiency wind generator that can still drive the generator to work and generate electricity under the environment of 2-3 light wind and light wind, aiming at the deficiencies in the above-mentioned prior art; The invention also provides a power generation control method of the high-efficiency wind power generator.

In order to solve the above-mentioned technical problems, the first technical solution of the present invention is: a high-efficiency wind power generator, including a fan main shaft, a fan blade and a power generation cavity, and the power generation cavity is provided with a central gear, a generator gear, an electromagnetic Clutch and generator, the number of generator gears, electromagnetic clutches and generators is at least two respectively; the fan blade is installed on the upper end of the fan main shaft, and the lower end of the fan main shaft extends into the power generation cavity, so The central gear is installed at the lower end of the main shaft of the fan, and can rotate together with the main shaft of the fan; at least two of the generator gears are meshed with the central gear, and the generators are arranged below the corresponding generator gears, and the generator gears The electromagnetic clutch is installed between the generator and the electromagnetic clutch. The electromagnetic clutch has a driving shaft and a driven shaft. The driving shaft of the electromagnetic clutch is connected to the central rotating shaft of the generator gear, and the driven shaft of the electromagnetic clutch is connected to the generator. the central axis of rotation.

Preferably, the outer side of the central gear is provided with a ring of external teeth, at least two of the generator gears are evenly arranged outside the central gear, and the generator gears and the external teeth of the central gear are meshed with each other.

Preferably, the lower side of the central gear is provided with a circular recess concave upward, the central gear is provided with a circle of internal teeth on the side wall of the circular recess, and at least two of the generator gears are evenly arranged Inside the circular recess of the central gear, and the generator gear and the inner teeth of the central gear mesh with each other.

Preferably, the number of generator gears, electromagnetic clutches and generators is 2 to 10 respectively; the high-efficiency wind power generator further includes an intelligent controller, which is electrically connected to each electromagnetic clutch and intelligently controls each electromagnetic clutch. The driving shaft and the driven shaft of the clutch are engaged or disengaged from each other. Further, the high-efficiency wind power generator further includes a wind speed sensor for sensing the external wind speed, and the wind speed sensor is electrically connected with the intelligent controller. The high-efficiency wind power generator also includes a power conversion device, an electric energy storage device and a load. After the electric power generated by the generator is converted by the power conversion device, it supplies power to the load, or outputs power for grid connection, or charges the electric energy storage device. The electrical energy storage device supplies power to the load.

Preferably, an upper cover is installed on the power generation cavity, and the upper cover and the power generation cavity are connected by bolts; a lower bearing is installed in the middle of the lower end of the power generation cavity, and a middle part of the upper cover is installed There is an upper bearing, and the main shaft of the fan is inserted into the lower bearing and the upper bearing.

Preferably, a flange base is also installed on the lower side of the power generation cavity, the power generation cavity and the flange base are connected by bolts, and a fixing rod is installed at the lower end of the flange base.

In order to solve the above-mentioned technical problems, the second technical solution of the present invention is: the power generation control method of the high-efficiency wind generator includes the following steps:

S1. Set the power generation power level of the high-efficiency wind turbine and the external wind speed level matched with each power generation power level; the power generation power level includes: level 0, working for 0 generators; level 1, working for 1 generator; Level 2, works for 2 generators; and so on, the highest level, works for all generators; the power generation level is proportional to the external wind speed level, the lower the power generation power level, the lower the corresponding external wind speed level; the power generation power The higher the level, the higher the corresponding external wind speed level;

S2. The fan blades rotate under the action of the external wind, which drives the main shaft of the fan to rotate; the main shaft of the fan drives the rotation of the central gear, and the central gear drives the rotation of all generator gears; at the same time, the wind speed sensor senses the external wind speed level in real time, and converts the external wind speed level The information is sent to the intelligent controller;

S2. The intelligent controller judges the power generation level of the high-efficiency wind turbine according to the external wind speed level information: when the power generation level is 0, the intelligent controller controls the driving shaft and the driven shaft of all electromagnetic clutches to be in a state of separation from each other. All generators do not generate electricity; when the power generation level is level 1, the intelligent controller controls the driving shaft and the driven shaft of one electromagnetic clutch to engage with each other, so that one generator works to generate electricity, and the driving shafts of the remaining electromagnetic clutches are connected with each other. The driven shafts are in a mutually separated state; when the power generation level is level 2, the intelligent controller controls the driving shafts of the two electromagnetic clutches and the driven shafts to engage with each other, so that the two generators work to generate electricity, and the driving shafts of the remaining electromagnetic clutches It is in a state of separation from the driven shaft; and so on, when the power generation level is the highest level, the intelligent controller controls the driving shaft and the driven shaft of all electromagnetic clutches to engage with each other, so that all generators work to generate electricity.

Preferably, after the power generated by the generator is converted by the power conversion device, it supplies power to the load, or outputs the power for grid connection, or charges the power storage device, and the power storage device supplies power to the load; the power conversion device or the power storage device The device supplies power to the smart controller.

The beneficial effects of the present invention are: because the present invention is provided with at least two generator gears, an electromagnetic clutch and a generator, the lower end of the main shaft of the fan is installed with a central gear, at least two generator gears are evenly arranged outside the central gear, and the generator gears It meshes with the central gear, the generator is arranged below the generator gear, and the electromagnetic clutch is installed between the generator gear and the generator. The electromagnetic clutch has a driving shaft and a driven shaft, and the driving shaft of the electromagnetic clutch is connected to the generator gear. The driven shaft of the electromagnetic clutch is connected to the central shaft of the generator. Therefore, under the condition that the overall power generation of the wind turbine remains unchanged, the power of a generator can be designed to be smaller; when the outside wind is large, the By controlling the driving shaft and the driven shaft of a large number of electromagnetic clutches to engage with each other, a large number of generators can work and generate electricity under the action of gear transmission, and the overall power generation of the wind generator remains large; When it is small, the driving shaft and the driven shaft can be controlled by a small number of electromagnetic clutches to engage each other, so that a small number of generators can work under the action of gear transmission to generate electricity, and the overall power generation of the wind turbine is reduced, but it can still be normal Work and generate electricity, so that the present invention can still drive the generator to work and generate electricity under the environment of 2-3 light wind and light wind.

Description of drawings

FIG. 1 is a schematic structural diagram of the high-efficiency wind turbine according to the first embodiment.

FIG. 2 is a schematic diagram of the transmission structure of the sun gear and the generator gear according to the first embodiment.

FIG. 3 is a schematic structural diagram of the high-efficiency wind power generator according to the second embodiment.

FIG. 4 is a schematic diagram of the transmission structure of the sun gear and the generator gear according to the second embodiment.

FIG. 5 is a schematic diagram of the overall block structure of the first embodiment, the second embodiment and the third embodiment.

Detailed ways

The structural principle and working principle of the present invention will be further described in detail below with reference to the accompanying drawings.

Example 1

As shown in FIG. 1 , FIG. 2 and FIG. 5 , this embodiment is a high-efficiency wind power generator, including a fan main shaft 1 , a fan blade 2 and a power generation cavity 3 , and the power generation cavity 3 is provided with a central gear 4 , generator gear 5, electromagnetic clutch 6 and generator 7, the number of the generator gear 5, electromagnetic clutch 6 and generator 7 is at least two respectively; the fan blade 2 is installed on the upper end of the fan main shaft 1, so The lower end of the fan main shaft 1 extends into the power generation cavity 3, and the central gear 4 is installed on the lower end of the fan main shaft 1 and can rotate together with the fan main shaft 1; the central gear 4 is a center with external teeth. Gear 4, at least two of the generator gears 5 are evenly arranged outside the central gear 4, the generator gear 5 and the central gear 4 are meshed with each other, the generator 7 is arranged below the generator gear 5, and the generator gear The electromagnetic clutch 6 is installed between the 5 and the generator 7. The electromagnetic clutch 6 has a driving shaft 61 and a driven shaft 62. The driving shaft 61 of the electromagnetic clutch 6 is connected to the central rotating shaft of the generator gear 5, and the driven shaft of the electromagnetic clutch 6 The shaft 62 is connected to the central rotating shaft of the generator 7 . In this embodiment, under the condition that the overall power generation of the wind generator remains unchanged, the power of one generator 7 can be designed to be smaller, for example, a high-efficiency wind generator with a total power of 500W, or 10 generators of 50W, or It consists of 5 100W generators, or 2 250W generators, etc. Each combined generator is equipped with an electromagnetic clutch that can be intelligently electronically controlled. When the outside wind is strong, the driving shaft 61 and the driven shaft 62 of the electromagnetic clutch 6 can be controlled to engage with each other, so that a large number of generators 7 can work and generate electricity under the action of gear transmission. The generated power is kept in a large state; and when the external wind is small, the driving shaft 61 and the driven shaft 62 of the electromagnetic clutch 6 can be controlled to engage with each other, so that the generator 7 can work under the action of the gear transmission. Power generation, the overall power generation of the wind turbine is reduced, but it can still work normally to generate electricity, so that the wind turbine can still drive the generator to work and generate electricity in the 2-3 level light wind and breeze environment.

As shown in FIG. 1 , FIG. 2 and FIG. 5 , the numbers of the generator gears 5 , electromagnetic clutches 6 and generators 7 are respectively 2 to 10, which are 6 in this example; the high-efficiency wind power generator also includes The intelligent controller 13 is electrically connected to each electromagnetic clutch 6 respectively, and intelligently controls the driving shaft 61 and the driven shaft 62 of each electromagnetic clutch 6 to engage or separate from each other. By setting the intelligent controller 13, the driving shaft 61 and the driven shaft 62 of the electromagnetic clutch 6 can be intelligently controlled to engage or separate from each other, thereby intelligently adjusting the power generation of the high-efficiency wind generator.

As shown in FIG. 1 , FIG. 2 and FIG. 5 , an upper cover 8 is installed on the power generation cavity 3 , and the upper cover 8 and the power generation cavity 3 are connected by bolts 81 ; A lower bearing 9 is installed in the middle of the lower end, an upper bearing 10 is installed in the middle of the upper cover 8 , and the fan main shaft 1 is inserted into the lower bearing 9 and the upper bearing 10 . By arranging the lower bearing 9 and the upper bearing 10, the main shaft 1 of the fan can rotate better.

As shown in FIG. 1 and FIG. 2 , a flange base 11 is also installed on the lower side of the power generation cavity 3 , the power generation cavity 3 and the flange base 11 are connected by bolts 31 , and the lower end of the flange base 11 is installed with a flange base 11 . Fixed rod 12 . By arranging the flange base 11 and the fixing rod 12, the high-efficiency wind power generator can be installed and fixed more conveniently.

As shown in FIG. 1 , FIG. 2 and FIG. 5 , the high-efficiency wind power generator further includes a wind speed sensor 14 for sensing the external wind speed, and the wind speed sensor 14 is electrically connected to the intelligent controller 13 .

As shown in FIG. 5 , the high-efficiency wind generator further includes a power conversion device 15 , an electric energy storage device 16 and a load 17 , and the power conversion device 15 is used to convert the electricity generated by the generator into electricity required by the load or the electric energy storage device. , or converted into commercial power, and the electric energy storage device is a battery; after the electric power generated by the generator 7 is converted by the electric power conversion device 15, it supplies power to the load 17, or the output power is connected to the grid, or the electric energy storage device 16 is charged. The storage device 16 supplies power to the load 17 .

Embodiment 2

As shown in FIG. 3 and FIG. 4 , this embodiment is a high-efficiency wind power generator, including a fan main shaft 1, a fan blade 2 and a power generation cavity 3, and the power generation cavity 3 is provided with a central gear 4, a generator Gear 5, electromagnetic clutch 6 and generator 7, the number of the generator gear 5, electromagnetic clutch 6 and generator 7 is at least two respectively; the fan blade 2 is installed on the upper end of the fan main shaft 1, and the fan main shaft The lower end of 2 extends into the power generation cavity 3, the central gear 4 is installed on the lower end of the fan main shaft 1, and can rotate together with the fan main shaft 1; the lower side of the central gear 4 is provided with a concave upward. Circular pit 41 , the central gear 4 is provided with a circle of internal teeth 42 on the side wall of the circular pit 41 , and at least two of the generator gears 5 are evenly arranged in the circular pit 41 of the central gear 4 , and the inner teeth 42 of the generator gear 5 and the central gear 4 mesh with each other, the generator 7 is arranged below the generator gear 5, the electromagnetic clutch 6 is installed between the generator gear 5 and the generator 7, and the electromagnetic clutch 6 is installed between the generator gear 5 and the generator 7. The clutch 6 has a driving shaft 61 and a driven shaft 62 . The driving shaft 61 of the electromagnetic clutch 6 is connected to the central rotating shaft of the generator gear 5 , and the driven shaft 62 of the electromagnetic clutch 6 is connected to the central rotating shaft of the generator 7 . In this embodiment, under the condition that the overall power generation of the wind generator remains unchanged, the power of one generator 7 can be designed to be smaller, for example, a high-efficiency wind generator with a total power of 500W, or 10 generators of 50W, or It consists of 5 100W generators, or 2 250W generators, etc. Each combined generator is equipped with an electromagnetic clutch that can be intelligently electronically controlled. When the outside wind is strong, the driving shaft 61 and the driven shaft 62 of the electromagnetic clutch 6 can be controlled to engage with each other, so that a large number of generators 7 can work and generate electricity under the action of gear transmission. The generated power is kept in a large state; and when the external wind is small, the driving shaft 61 and the driven shaft 62 of the electromagnetic clutch 6 can be controlled to engage with each other, so that the generator 7 can work under the action of the gear transmission. Power generation, the overall power generation of the wind turbine is reduced, but it can still work normally to generate electricity, so that the wind turbine can still drive the generator to work and generate electricity in the 2-3 level light wind and breeze environment.

As shown in FIG. 3 and FIG. 4 , the number of the generator gears 5 , the electromagnetic clutches 6 and the generators 7 is 2 to 10 respectively, which is 6 in this embodiment; the high-efficiency wind power generator also includes an intelligent controller 13. The intelligent controller 13 electrically connects each electromagnetic clutch 6, and intelligently controls the driving shaft 61 and the driven shaft 62 of each electromagnetic clutch 6 to engage or separate from each other. By setting the intelligent controller 13, the driving shaft 61 and the driven shaft 62 of the electromagnetic clutch 6 can be intelligently controlled to engage or separate from each other, thereby intelligently adjusting the power generation of the high-efficiency wind generator.

As shown in FIGS. 3 and 4 , an upper cover 8 is installed on the power generation cavity 3 , and the upper cover 8 and the power generation cavity 3 are connected by bolts 81 ; the power generation cavity 3 is installed in the middle of the lower end There is a lower bearing 9 , an upper bearing 10 is installed in the middle of the upper cover 8 , and the fan main shaft 1 is inserted into the lower bearing 9 and the upper bearing 10 . By arranging the lower bearing 9 and the upper bearing 10, the main shaft 1 of the fan can rotate better.

As shown in FIG. 3 and FIG. 4 , a flange base 11 is also installed on the lower side of the power generation cavity 3 , the power generation cavity 3 and the flange base 11 are connected by bolts 31 , and the lower end of the flange base 11 is installed with a flange base 11 . Fixed rod 12 . By arranging the flange base 11 and the fixing rod 12, the high-efficiency wind power generator can be installed and fixed more conveniently.

As shown in FIG. 1 , FIG. 2 and FIG. 5 , the high-efficiency wind power generator further includes a wind speed sensor 14 for sensing the external wind speed, and the wind speed sensor 14 is electrically connected to the intelligent controller 13 .

As shown in FIG. 5 , the high-efficiency wind generator further includes a power conversion device 15 , an electric energy storage device 16 and a load 17 , and the power conversion device 15 is used to convert the electricity generated by the generator into electricity required by the load or the electric energy storage device. , or converted into commercial power, and the electric energy storage device is a battery; after the electric power generated by the generator 7 is converted by the electric power conversion device 15, it supplies power to the load 17, or the output power is connected to the grid, or the electric energy storage device 16 is charged. The storage device 16 supplies power to the load 17 .

The fan blades 2 of the first and second embodiments may have a vertical blade structure or a horizontal blade structure.

Embodiment 3

As shown in FIG. 5 , with reference to FIGS. 1 to 4 , the power generation control method for a high-efficiency wind turbine according to the present invention includes the following steps:

S1. Set the power generation power level of the high-efficiency wind turbine and the external wind speed level matched with each power generation power level; the power generation power level includes: level 0, working for 0 generators; level 1, working for 1 generator; Level 2, works for 2 generators; and so on, the highest level, works for all generators; the power generation level is proportional to the external wind speed level, the lower the power generation power level, the lower the corresponding external wind speed level; the power generation power The higher the level, the higher the corresponding external wind speed level; for example: if there are 5 generators with a power of 100W, there are 6 power generation power levels. When the power generation power level is level 0, the corresponding external wind speed is level 0-1. Wind; when the power generation level is 1, the corresponding external wind speed is 2-3 wind; when the generating power level is 2, the corresponding external wind speed is 4-5 wind; when the generating power level is 3, the corresponding wind The external wind speed is grade 6-7 wind; when the power generation level is grade 4, the corresponding external wind speed is grade 8-9 wind; when the power generation power grade is grade 5, the corresponding external wind speed is above grade 10;

S2. The fan blades rotate under the action of the external wind, which drives the main shaft of the fan to rotate; the main shaft of the fan drives the rotation of the central gear, and the central gear drives the rotation of all generator gears; at the same time, the wind speed sensor senses the external wind speed level in real time, and converts the external wind speed level The information is sent to the intelligent controller;

S2. The intelligent controller judges the power generation level of the high-efficiency wind turbine according to the external wind speed level information: when the power generation level is 0, the intelligent controller controls the driving shaft and the driven shaft of all electromagnetic clutches to be in a state of separation from each other. All generators do not generate electricity; when the power generation level is level 1, the intelligent controller controls the driving shaft and the driven shaft of one electromagnetic clutch to engage with each other, so that one generator works to generate electricity, and the driving shafts of the remaining electromagnetic clutches are connected with each other. The driven shafts are in a mutually separated state; when the power generation level is level 2, the intelligent controller controls the driving shafts of the two electromagnetic clutches and the driven shafts to engage with each other, so that the two generators work to generate electricity, and the driving shafts of the remaining electromagnetic clutches It is in a state of separation from the driven shaft; and so on, when the power generation level is the highest level, the intelligent controller controls the driving shaft and the driven shaft of all electromagnetic clutches to engage with each other, so that all generators work to generate electricity.

After the power generated by the generator is converted by the power conversion device, it supplies power to the load, or outputs power to the grid, or charges the power storage device, and the power storage device supplies power to the load; the power conversion device or the power storage device supplies power to the intelligent controller. powered by.

The above are only preferred embodiments of the present invention, and any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical solutions of the present invention fall within the scope of the technical solutions of the present invention.

Claims (10)

1. A high-efficiency wind driven generator is characterized in that: the fan blade generator comprises a fan main shaft, fan blades and a power generation cavity, wherein a central gear, a generator gear, an electromagnetic clutch and a generator are arranged in the power generation cavity, and the number of the generator gear, the number of the electromagnetic clutch and the number of the generator are at least two; the fan blade is arranged at the upper end of the fan main shaft, the lower end of the fan main shaft extends into the power generation cavity, and the central gear is arranged at the lower end of the fan main shaft and can rotate along with the fan main shaft; at least two generator gear and sun gear intermeshing, the generator sets up in the generator gear below that corresponds, installation between generator gear and the generator electromagnetic clutch, electromagnetic clutch has driving shaft and driven shaft, the central pivot of generator gear is connected to electromagnetic clutch's driving shaft, the central pivot of generator is connected to electromagnetic clutch's driven shaft.

2. The high efficiency wind powered generator as claimed in claim 1, wherein: the outer side of the central gear is provided with a circle of external teeth, at least two generator gears are uniformly arranged outside the central gear, and the generator gears are meshed with the external teeth of the central gear.

3. The high efficiency wind powered generator as claimed in claim 1, wherein: the downside of sun gear is equipped with the circular pit of up indent, and sun gear is equipped with the round internal tooth in the lateral wall department of circular pit, at least two generator gear evenly set up within sun gear's circular pit, and generator gear and sun gear's internal tooth intermeshing.

4. The high efficiency wind powered generator as claimed in claim 1, wherein: the number of the generator gears, the number of the electromagnetic clutches and the number of the generators are respectively 2-10; the efficient wind driven generator further comprises an intelligent controller, wherein the intelligent controller is electrically connected with each electromagnetic clutch respectively and intelligently controls the driving shaft and the driven shaft of each electromagnetic clutch to be mutually jointed or separated.

5. The high efficiency wind powered generator as claimed in claim 4, wherein: the high-efficiency wind driven generator further comprises a wind speed sensor used for sensing external wind speed, and the wind speed sensor is electrically connected with the intelligent controller.

6. The high efficiency wind powered generator as claimed in claim 4, wherein: the high-efficiency wind driven generator further comprises a power conversion device, an electric energy storage device and a load, the power generated by the generator is converted by the power conversion device and then is supplied to the load, or the output power is connected to the grid, or the electric energy storage device is charged, and the electric energy storage device supplies power to the load.

7. The high efficiency wind powered generator as claimed in claim 1, wherein: an upper cover body is arranged on the power generation cavity body, and the upper cover body is connected with the power generation cavity body through a bolt; the lower end middle part of the power generation cavity is provided with a lower bearing, the middle part of the upper cover body is provided with an upper bearing, and the fan main shaft is inserted into the lower bearing and the upper bearing.

8. The high efficiency wind powered generator as claimed in claim 7, wherein: the flange base is further installed on the lower side of the power generation cavity, the power generation cavity is connected with the flange base through bolts, and the fixing rod is installed at the lower end of the flange base.

9. The method for controlling power generation of a high efficiency wind power generator as claimed in any one of claims 1 to 8, comprising the steps of:

s1, setting the generation power grade of a high-efficiency wind driven generator and the external wind speed grade matched with each generation power grade; the generated power level comprises: level 0, which works for 0 generators; 1 stage, working for 1 generator; 2-stage, working for 2 generators; the rest is analogized in turn, and the highest level is the work of all the generators; the generated power grade and the external wind speed grade are in a direct proportion relation, and the lower the generated power grade is, the lower the corresponding external wind speed grade is; the higher the generated power grade is, the higher the corresponding external wind speed grade is;

s2, rotating a fan blade under the action of external wind power to drive a main shaft of the fan to rotate; the fan main shaft drives the central gear to rotate, and the central gear drives all the generator gears to rotate; meanwhile, the wind speed sensor senses the external wind speed grade in real time and sends the external wind speed grade information to the intelligent controller;

s2, the intelligent controller judges the generated power grade of the high-efficiency wind driven generator according to the external wind speed grade information: when the generated power level is 0 level, the intelligent controller controls the driving shafts and the driven shafts of all the electromagnetic clutches to be in a mutually separated state, so that all the generators do not generate electricity; when the generated power level is 1 level, the intelligent controller controls the driving shaft and the driven shaft of 1 electromagnetic clutch to be mutually jointed, so that 1 generator works to generate electricity, and the driving shafts and the driven shafts of the rest electromagnetic clutches are in a mutually separated state; when the generated power level is 2, the intelligent controller controls the driving shafts and the driven shafts of 2 electromagnetic clutches to be mutually jointed, so that 2 generators work to generate electricity, and the driving shafts and the driven shafts of the rest electromagnetic clutches are in a mutually separated state; and by analogy, when the generated power level is the highest level, the intelligent controller controls the driving shafts and the driven shafts of all the electromagnetic clutches to be mutually jointed, so that all the generators work to generate electricity.

10. The method for controlling power generation of a high efficiency wind power generator as set forth in claim 9, wherein: after the power generated by the generator is converted by the power conversion device, the power is supplied to a load, or the output power is connected to the grid, or the power is charged to the electric energy storage device, and the electric energy storage device supplies power to the load; the power conversion device or the electric energy storage device supplies power to the intelligent controller.

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