CN220491823U

CN220491823U - Circuit breaker, converter and wind generating set

Info

Publication number: CN220491823U
Application number: CN202322189208.XU
Authority: CN
Inventors: 刘国辉; 朱同进; 冯楠; 林建民; 石振国; 郭红生; 丁永; 王鹏翔; 沈健; 李超
Original assignee: Inner Mongolia Jingneng Bayin Wind Power Generation Co ltd
Current assignee: Inner Mongolia Jingneng Bayin Wind Power Generation Co ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-02-13
Anticipated expiration: 2033-08-15

Abstract

The application provides a circuit breaker, converter and wind generating set, this circuit breaker, including shell, explosion chamber, insulating support and binding post row, have the explosion chamber in the shell, the first side of shell is provided with the arc extinguishing installation mouth, arc extinguishing installation mouth and explosion chamber intercommunication; the arc-extinguishing chamber is arranged in the arc-extinguishing chamber from the arc-extinguishing installation opening; the insulating support is arranged on the first side surface of the shell and is fixed on one side of the arc extinguishing installation opening; the binding post row is fixed in the insulating support one side of arc extinguishing installing port dorsad, and has the interval space between binding post row and the first side of shell. The breaker can reduce the probability of damaging the wiring terminal strip by an arc, thereby reducing the probability of faults of the breaker, and further reducing the probability of faults of the converter protected by the breaker, and further improving the power generation efficiency of the wind driven generator.

Description

Circuit breaker, converter and wind generating set

Technical Field

The embodiment of the application relates to the technical field of wind power generation, in particular to a circuit breaker, a converter and a wind generating set.

Background

Wind power generation is a renewable energy power generation mode for converting wind energy into electric energy, and has become one of clean energy power generation modes widely adopted in the global scope. Wind power generation has important significance for slowing down climate change, resource protection and sustainable development.

In the related art, wind power generation converts wind energy into mechanical energy through a wind generating set, and then converts the mechanical energy into electric energy. The wind generating set comprises a wind wheel, a generator, a converter and the like, wherein the wind wheel comprises a plurality of blades, when wind blows the blades, the blades rotate under the action of wind force, the generator converts mechanical energy generated by rotation of the wind wheel into electric energy, and the converter is connected with the generator and is used for converting electricity generated by the generator into constant-frequency electricity to be output. The converter plays a key role in the wind generating set and can effectively inject the electric energy generated by the generator into the power network.

However, during operation of the wind turbine, the converter often fails, affecting the power generation efficiency of the wind turbine.

Disclosure of Invention

The embodiment of the application provides a circuit breaker, a converter and a wind generating set, which are used for solving the technical problem that the converter frequently fails to influence the generating efficiency of the wind generating set in the running process of the wind generating set.

The embodiment of the application provides the following technical scheme for solving the technical problems:

in a first aspect, embodiments of the present application provide a circuit breaker, including:

the shell is internally provided with an arc-extinguishing chamber, the first side surface of the shell is provided with an arc-extinguishing installation port, and the arc-extinguishing installation port is communicated with the arc-extinguishing chamber;

the arc-extinguishing cover is arranged in the arc-extinguishing chamber from the arc-extinguishing mounting port;

the insulation support is arranged on the first side face of the shell and is fixed on one side of the arc extinguishing installation opening;

the wiring terminal strip, the wiring terminal strip is fixed in insulating support dorsad arc extinction installing port's one side, just have the interval space between wiring terminal strip and the first side of shell.

The beneficial effects of the embodiment of the application are that: the circuit breaker that this embodiment provided includes shell, the explosion cover, insulating support and binding post row, the explosion cover is installed in the explosion chamber of casing from the arc extinction installing port that sets up in the first side of installation shell, the interface on binding post row and the circuit breaker is connected through the connector, so that binding post row is connected with the electronic components of circuit breaker, binding post row and its line damage, then the circuit breaker just can break down, thereby make the converter that is protected by the circuit breaker break down, because in wind generating set operation in-process, meet strong wind weather or wind speed sudden change and make the electric current increase, the arc extinction ability of circuit breaker is not enough, can lead to the electric arc to pass the explosion cover, burn out binding post row and wiring thereof, so this embodiment of this application sets up insulating support in the first side of shell, insulating support is fixed in one side of arc extinction installing port, binding post row is fixed in the one side of insulating support dorsad arc extinction installing port, and have the interval space between binding post row and the first side of shell, based on insulating support is nonconductive, have the interval space between binding post row and the first side of shell, so when passing the wind generating set operation, the probability of leading to the wind generating set, the probability of the electric arc can be reduced, and the fault probability of the generator is reduced, and the fault probability has been reduced.

In one possible embodiment, the arc chute comprises a mounting bracket, a cover plate, and a steel mesh;

the mounting frame is provided with a mounting groove, and the mounting groove penetrates through the mounting frame;

the cover plate is arranged on the first side of the mounting frame and covers the notch of the mounting groove, the cover plate is provided with a plurality of ventilation holes, and each ventilation hole is communicated with the mounting groove;

the steel mesh is arranged in the mounting groove and is tightly attached to the cover plate, the ventilation holes are blocked by the steel mesh, and the filtering degree of the steel mesh is 80-200 microns.

In one possible embodiment, the steel mesh has a degree of filtration of 100 microns.

In one possible embodiment, a plurality of the ventilation holes are arranged in a plurality of rows and columns.

In one possible implementation manner, the air holes are in a square structure, and a plurality of the air holes are arranged in four rows and three columns.

In one possible embodiment, the number of the steel nets is two, and two steel nets are stacked and installed in the installation groove.

In one possible embodiment, the insulating bracket comprises a fixed plate and a supporting plate which are connected, and the fixed plate and the supporting plate form an L-shaped structure;

the fixing plate is fixed on the shell;

the first side of backup pad is fixed binding post row, the first side of backup pad is the backup pad is dorsad arc extinction installing port's one side.

In one possible embodiment, the two ends of the mounting frame along the first direction are respectively provided with a first mounting hole;

a second mounting hole is formed in the position, corresponding to the first mounting hole, of the cover plate, and the second mounting hole is communicated with the first mounting hole;

a third mounting hole is formed in the position, corresponding to the second mounting hole, of the fixing plate, and the third mounting hole is communicated with the second mounting hole;

the connecting piece passes through the third mounting hole, the second mounting hole and the first mounting hole in sequence and then is fixedly connected with the shell, so that the mounting frame and the insulating support are fixedly connected with the shell.

In one possible implementation manner, the second side surface of the supporting plate is provided with a plurality of reinforcing rib plates, and each reinforcing rib plate is respectively connected with the second side surface of the supporting plate and the fixing plate, and the second side surface of the supporting plate is the surface of the supporting plate facing the fixing plate.

In one possible embodiment, the first side of the supporting plate is provided with a plurality of supporting feet, and each supporting foot comprises a supporting plate and a reinforcing plate;

the support plate is connected with the first end of the support plate, the first surface of the support plate is flush with the end surface of the first end of the support plate, and the first end of the support plate is the end, connected with the fixing plate, of the support plate;

the reinforcing plate is fixedly connected with the second surface of the support plate and is connected with the support plate, and the second surface of the support plate and the first surface of the support plate are two opposite surfaces of the support plate.

In one possible embodiment, the number of the supporting feet is two, and the two supporting feet are respectively arranged at two ends of the supporting plate in the length direction.

In one possible embodiment, the distance between the end of the terminal strip adjacent to the first side of the housing and the first side of the housing is greater than 3cm.

In one possible embodiment, the distance between the end of the terminal block adjacent to the first side of the housing and the first side of the housing is 3.8cm.

In a second aspect, an embodiment of the present application further provides a current transformer, which includes a current transformer body and the circuit breaker according to any one of the above schemes, where the circuit breaker is connected to the current transformer body, so as to protect the current transformer from overload or short circuit damage.

The beneficial effects of the current transformer provided in the embodiment of the application are the same as those of the circuit breaker, and are not described in detail herein.

In a third aspect, embodiments of the present application further provide a wind generating set, where the wind generating set includes a generator and a current transformer according to the above scheme, where the current transformer is connected to the generator, and the current transformer is configured to convert electricity generated by the generator into constant frequency electricity.

The beneficial effects of the wind generating set provided by the embodiment of the application are the same as those of the converter, and are not repeated here.

In addition to the technical problems, the technical features constituting the technical solutions and the beneficial effects brought by the technical features of the technical solutions described above, the circuit breaker, the converter and the wind turbine generator set provided in the present application solve other technical problems, other technical features included in the technical solutions and beneficial effects brought by the technical features, and will be described in further detail in the detailed description of the present application.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments of the present application or the description of the prior art will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, these drawings and the written description are not intended to limit the scope of the inventive concepts of the present application in any way, but rather to illustrate the concepts of the present application to those skilled in the art by referring to the specific embodiments, and that other drawings may be obtained from these drawings without inventive effort to those skilled in the art.

Fig. 1 is a schematic front view of a circuit breaker according to an embodiment of the present application;

fig. 2 is a schematic rear view of a circuit breaker according to an embodiment of the present application.

Reference numerals illustrate:

100. a housing;

110. a first side of the housing;

200. an arc extinguishing cover;

210. a cover plate; 220. a steel mesh;

211. a second mounting hole;

300. an insulating support;

310. a fixing plate; 320. a support plate; 330. supporting feet; 340. reinforcing rib plates;

311. a third mounting hole;

331. a support plate; 332. a reinforcing plate;

400. a terminal block;

500. a socket.

Detailed Description

In the related art, wind power generation converts wind energy into mechanical energy through a wind generating set, and then converts the mechanical energy into electric energy. The wind generating set comprises a wind wheel, a generator, a converter and the like, wherein the wind wheel comprises a plurality of blades, when wind blows the blades, the blades rotate under the action of wind force, the generator converts mechanical energy generated by rotation of the wind wheel into electric energy, and the converter is connected with the generator and is used for converting electricity generated by the generator into constant-frequency electricity to be output. The converter plays a key role in the wind generating set and can effectively inject the electric energy generated by the generator into the power network. However, during operation of the wind turbine, the converter often fails, affecting the power generation efficiency of the wind turbine. The inventor analyzes that the fault of the current transformer mostly occurs when the current is increased due to sudden change of the weather or the wind speed, and researches show that the current transformer is connected with the current transformer body, the current transformer body is protected from being damaged by the overload or short circuit damage, the damage of the current transformer is mainly concentrated on an arc-extinguishing cover and a wiring terminal block of the current transformer, and the main reason for the damage of the arc-extinguishing cover and the wiring terminal block of the current transformer is that the arc-extinguishing capability of the current transformer is insufficient when the current is increased due to sudden change of the weather or the wind speed, so that the arc penetrates through the arc-extinguishing cover, the burning-out wiring terminal block and wiring thereof, and the current transformer is in fault.

In view of this, this embodiment of the application is through setting up insulating support at the first side of the shell of circuit breaker, insulating support is fixed in the one side of the arc extinction installing port on the first side of shell, the binding post row is fixed in insulating support and is directed against the one side of arc extinction installing port, and have the interval space between binding post row and the first side of shell, based on insulating support is nonconductive, have the interval space between binding post row and the first side of shell, so when electric arc passes the explosion chamber, the interval space between binding post row and the first side of shell can reduce the probability that electric arc harm binding post row, thereby the probability that the circuit breaker breaks down has been reduced, and then the probability that the converter breaks down has been reduced, thereby improved aerogenerator's generating efficiency.

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

The circuit breaker provided by the embodiment of the application is used for being connected with a converter of a wind generating set, and is described by taking an example of protecting the converter from overload or short circuit damage, and of course, the circuit breaker provided by the embodiment of the application can also be used for other equipment.

As shown in fig. 1 and 2, the circuit breaker provided in the embodiment of the present application includes a case 100, an arc extinguishing chamber 200, an insulating holder 300, and a connection terminal block 400. The housing 100 has an arc-extinguishing chamber therein, and the first side 110 of the housing is provided with an arc-extinguishing mounting opening, which communicates with the arc-extinguishing chamber, and the arc-extinguishing chamber 200 is mounted in the arc-extinguishing chamber from the arc-extinguishing mounting opening. In this embodiment of the present application, the connection terminal block 400 is connected with the interface on the circuit breaker through the connector, so that the connection terminal block 400 is connected with the electronic component of the circuit breaker, and if the connection terminal block 400 and the connection wire thereof are damaged, the circuit breaker will fail, so that the current transformer protected by the circuit breaker fails. Because meet strong wind weather or wind speed suddenly change and make the electric current increase in the wind generating set operation in-process, the arc extinguishing ability of circuit breaker is not enough, can lead to electric arc to pass arc-extinguishing chamber 200, burn out binding post row 400 and wiring thereof, so this application embodiment sets up insulating support 300 at the first side 110 of shell, and insulating support 300 is fixed in the one side of arc extinguishing installation mouth, that is to say, insulating support 300 sets up in the first side 110 of shell, and is fixed in the one side of arc extinguishing installation mouth. The terminal block 400 is fixed in the insulating support 300 and faces away from the one side of arc extinguishing installing port, and has the interval space between terminal block 400 and the first side 110 of shell, based on insulating support 300 is nonconductive, has the interval space between terminal block 400 and the first side 110 of shell, so when the arc passes the explosion chamber 200, the interval space between terminal block 400 and the first side 110 of shell can reduce the probability that the arc harm terminal block 400 to the probability that the circuit breaker breaks down has been reduced, and then the probability that the converter breaks down has been reduced, thereby has improved aerogenerator's generating efficiency.

In this embodiment, arc extinguishing chamber 200 includes arc striking and extinguishing subassembly (not shown in the figure), mounting bracket (not shown in the figure), apron 210 and steel mesh 220, and the mounting bracket is provided with the mounting groove, and the mounting groove runs through the mounting bracket, and apron 210 installs in the first side of mounting bracket, and covers the notch of mounting groove, and apron 210 is provided with a plurality of bleeder vents, and each bleeder vent all communicates with the mounting groove. The arc striking and extinguishing assembly is connected to the mounting frame and is located at the second side of the mounting frame, the second side of the mounting frame and the first side of the mounting frame are opposite sides, and the arc striking and extinguishing assembly is located in the arc extinguishing chamber when the arc extinguishing chamber 200 is mounted in the housing. The steel mesh 220 is installed in the mounting groove, and the steel mesh 220 is closely attached to the cover plate 210, and each ventilation hole is blocked by the steel mesh 220, and the steel mesh 220 is used for filtering tiny particles, so that various high-temperature and charged particles generated at high temperature can be prevented from flying out of the arc extinguishing chamber, and in the embodiment of the application, the filtering degree of the steel mesh 220 is 80-200 microns. Illustratively, the degree of filtration of the steel mesh 220 is 100 microns. That is, the steel mesh 220 is capable of blocking the passage of solid particles having a diameter size greater than 100 microns. In the wind generating set, when the filtering degree of the steel mesh 220 of the breaker is 100 micrometers, various high-temperature charged particles can be better blocked from flying out of the arc-extinguishing chamber, so that the probability that an arc penetrates through the arc-extinguishing chamber 200 to burn out the wiring terminal strip 400 is reduced, the probability of the breaker to fail is reduced, the probability of the converter to fail is further reduced, and the generating efficiency of the wind generating set is improved.

Illustratively, in the present embodiment, the number of steel wires 220 is two, and two steel wires 220 are stacked and mounted in the mounting groove. The arrangement of the two layers of steel meshes 220 can better prevent various high-temperature charged particles from flying out of the arc-extinguishing chamber, and the probability that the arc penetrates through the arc-extinguishing chamber 200 to burn out the wiring terminal strip 400 is greatly reduced.

Furthermore, in the present embodiment, the insulating support 300 is non-conductive, such that an arc is not transmitted over the insulating support 300 as it passes through the arc chute 200, thereby avoiding secondary damage to the steel mesh 220 by an arc passing through the arc chute 200.

In some embodiments of the present application, the plurality of ventilation holes are arranged in a plurality of rows and columns. The air holes are of a square structure, and the air holes are arranged in four rows and three columns. This arrangement can ensure both breathability and higher stability of the cover 210.

With continued reference to fig. 1 and 2, in some embodiments of the present application, the insulating support 300 includes a fixing plate 310 and a supporting plate 320 connected to each other, where the fixing plate 310 and the supporting plate 320 form an L-shaped structure, the fixing plate 310 is fixed to the housing 100, a first side of the supporting plate 320 fixes the terminal block 400, and a first side of the supporting plate 320 is a side of the supporting plate 320 facing away from the fixing plate 310. That is, the terminal block 400 is fixed to a side of the support plate 320 facing away from the arc extinguishing installation opening, and is located at an end of the support plate 320 facing away from the fixing plate 310, and a space is formed between the terminal block 400 and the first side 110 of the housing. The L-shaped structure of the insulating support 300 is convenient for the fixed connection of the insulating support 300.

In some embodiments of the present application, the two ends of the mounting frame along the first direction (for example, Y direction in fig. 1) are respectively provided with a first mounting hole, the position of the cover plate 210 corresponding to the first mounting hole is provided with a second mounting hole 211, the second mounting hole 211 is communicated with the first mounting hole, the position of the fixing plate 310 corresponding to the second mounting hole 211 is provided with a third mounting hole 311, the third mounting hole 311 is communicated with the second mounting hole 211, that is, the first mounting hole, the second mounting hole 211 and the third mounting hole 311 are communicated, and the connecting piece sequentially passes through the third mounting hole 311, the second mounting hole 211 and the first mounting hole and then is fixedly connected with the housing 100, so that the mounting frame and the insulating bracket 300 are fixedly connected with the housing 100. That is, the present embodiment fixedly connects the mounting bracket and the insulating holder 300 together with the housing 100 through one connector, so that the assembly of the circuit breaker provided in the present embodiment is facilitated.

The number of the arc extinguishing installation openings is three, the three arc extinguishing installation openings are arranged at intervals along the second direction (for example, the X direction in fig. 1), the two ends of each installation frame in the first direction are respectively provided with a first installation hole, the position of each cover plate 210 corresponding to the first installation hole is respectively provided with a second installation hole 211, the fixing plate 310 is provided with three third installation holes 311, each third installation hole 311 is correspondingly communicated with the second installation hole 211 positioned on one side of each cover plate 210 in the first direction, and the three connection pieces are fixedly connected with the shell 100 after respectively passing through the three groups of corresponding third installation holes 311, the second installation holes 211 and the first installation holes.

In order to increase the stability of the insulating support 300, the second side of the support plate 320 is provided with a plurality of reinforcing ribs 340, and each reinforcing rib 340 is respectively connected with the second side of the support plate 320 and the fixing plate 310, and the second side of the support plate 320 is a side of the support plate 320 facing the fixing plate 310. Illustratively, the number of reinforcing ribs 340 is four.

In some embodiments of the present application, the first side of the support plate 320 is provided with a plurality of support feet 330, each support foot 330 including a support plate 331 and a reinforcing plate 332; the support plate 331 is connected with the first end of backup pad 320, and the first face of support plate 331 is parallel and level with the terminal surface of the first end of backup pad 320, and the first end of backup pad 320 is the one end that backup pad 320 and fixed plate 310 are connected, and reinforcing plate 332 and the second face fixed connection of support plate 331, and be connected with backup pad 320, the second face of support plate 331 and the first face of support plate 331 are the opposite two faces of support plate 331. The provision of the support legs 330 further enhances the stability of the mounting of the insulating support 300 on the housing 100.

For example, the number of the supporting legs 330 is two, and the two supporting legs 330 are respectively disposed at both ends of the supporting plate 320 in the length direction. This arrangement avoids the support feet 330 interfering with the socket 500 of the circuit breaker and with the securing of the terminal block 400.

In some embodiments of the present application, the distance between the end of the terminal block 400 near the first side 110 of the housing and the first side 110 of the housing is greater than 3cm. The distance between the one end of the wiring terminal strip 400, which is close to the first side 110 of the shell, and the first side 110 of the shell is greater than 3cm, so that the wiring terminal strip 400 and the arc-extinguishing chamber 200 have a good insulation distance, an arc can be better prevented from passing through the arc-extinguishing chamber 200, the wiring terminal strip 400 and wiring thereof are burnt, the probability of faults of a circuit breaker is reduced, the probability of faults of a converter is further reduced, and the power generation efficiency of the wind driven generator is improved. Illustratively, the distance between the end of the terminal block 400 adjacent to the first side 110 of the housing and the first side 110 of the housing is 3.8cm.

The embodiment of the application also provides a current transformer, which comprises a current transformer body and the breaker according to any scheme, wherein the breaker is connected with the current transformer body to protect the current transformer from overload or short circuit damage.

The embodiment of the application also provides a wind generating set, which comprises a generator and the converter according to the scheme, wherein the converter is connected with the generator and is configured to convert the electricity generated by the generator into constant-frequency electricity to be output.

The breaker provided by the embodiment of the application is applied to a certain wind power plant, and three months of observation show that the probability of the occurrence of faults of the converter due to the faults of the breaker is obviously reduced.

The terms "upper" and "lower" are used to describe the relative positional relationship of the respective structures in the drawings, and are merely for convenience of description, not to limit the scope of the application, and the relative relationship changes or modifications are considered to be within the scope of the application without any substantial change in technical content.

It should be noted that: in this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Furthermore, in the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A circuit breaker, comprising:

2. The circuit breaker of claim 1, wherein the arc chute comprises a mounting bracket, a cover plate, and a steel mesh;

3. The circuit breaker according to claim 2, wherein the number of steel nets is two, and two steel nets are stacked and mounted in the mounting groove.

4. The circuit breaker of claim 2, wherein the insulating bracket comprises a fixed plate and a support plate connected, the fixed plate and support plate forming an L-shaped structure;

the fixing plate is fixed on the shell;

5. The circuit breaker according to claim 4, wherein the mounting bracket is provided with first mounting holes at both ends thereof in the first direction, respectively;

6. The circuit breaker of claim 4, wherein the second side of the support plate is provided with a plurality of reinforcing ribs, each reinforcing rib being respectively connected to the second side of the support plate and the fixing plate, the second side of the support plate being a side of the support plate facing the fixing plate.

7. The circuit breaker of claim 4, wherein the first side of the support plate is provided with a plurality of support feet, each of the support feet including a support plate and a reinforcing plate;

8. The circuit breaker according to any one of claims 1-7, wherein a distance between an end of the terminal block adjacent the first side of the housing and the first side of the housing is greater than 3cm.

9. A current transformer comprising a current transformer body and a circuit breaker according to any one of claims 1-8, said circuit breaker being connected to said current transformer body to protect said current transformer from overload or short circuit damage.

10. A wind power generator set comprising a generator and the current transformer of claim 9, the current transformer being coupled to the generator, the current transformer being configured to convert electricity generated by the generator to a constant frequency electrical output.