CN222052864U - Wind-storage integrated converter - Google Patents

Abstract

The embodiment of the application provides a wind-storage integrated converter, which comprises a cabinet body, a power assembly and a DC-DC conversion assembly, wherein the cabinet body comprises a first sub-cabinet body and a second sub-cabinet body, and the first sub-cabinet body is connected with the second sub-cabinet body; the power assembly is arranged on the first sub-cabinet body and comprises a power module and a reactance module which are oppositely arranged along a first direction, and an output port of the power module is arranged at one end close to the reactance module along the first direction; the DC-DC conversion assembly is arranged on the second sub-cabinet body and connected with the power assembly, and the DC-DC conversion assembly is used for connecting an external energy storage component with the power assembly. The embodiment of the application provides an integrated wind-storage converter, which aims to improve the structural consistency of a converter cabinet body and reduce the space occupation amount of the integrated wind-storage converter.

Description

Wind-storage integrated converter

Technical Field

The application belongs to the technical field of wind energy utilization, and particularly relates to a wind-storage integrated converter.

Background

Wind power generation is a new energy product with the most development potential in the century, and is one of the most mature technology and the most scale development and commercialization development prospect in renewable energy development, and is increasingly valued and widely developed and applied in all countries of the world due to the outstanding effects of reducing environmental pollution, adjusting energy structures and the like.

However, due to the fluctuation, intermittence and anti-peak regulation characteristics of wind power generation, a power supply mode with poor stability is not suitable for direct power supply, and in the north winter, the wind discarding phenomenon of a wind power plant is serious due to the operation of a large number of cogeneration units, so that good wind power resources in winter are greatly wasted. Aiming at the problems, the energy storage system can realize space-time translation of wind power resources and improve the electric energy quality, and effectively solve the problems.

However, at present, the converter and the energy storage cabinet, the power cabinet, the control cabinet, the switch cabinet and the like which are matched for use are mutually separated and are distributed in the wind power tower, so that the wiring length among all devices is increased, the cost is increased, and more assembly space is occupied.

Disclosure of utility model

The application aims to solve the technical problem of providing the wind-storage integrated converter which is stronger in structural consistency and can reduce the space occupation.

In a first aspect, an embodiment of the application provides a wind-storage integrated converter, which comprises a cabinet body, a power assembly and a DC-DC conversion assembly, wherein the cabinet body comprises a first sub-cabinet body and a second sub-cabinet body, and the first sub-cabinet body is connected with the second sub-cabinet body; the power assembly is arranged on the first sub-cabinet body and comprises a power module and a reactance module which are oppositely arranged along a first direction, and an output port of the power module is arranged at one end which is close to the reactance module along the first direction; the DC-DC conversion assembly is arranged on the second sub-cabinet body and connected with the power assembly, and the DC-DC conversion assembly is used for connecting an external energy storage component with the power assembly.

According to one embodiment of the first aspect of the application, the first sub-cabinet comprises a first diaphragm arranged perpendicular to the first direction; the power module and the reactance module are respectively arranged on two sides of the first diaphragm plate along the first direction.

According to an embodiment of the first aspect of the application, the power assembly further comprises a first chopper module, which is connected to the power module and arranged at an end of the power module facing away from the reactance module.

According to an embodiment of the first aspect of the present application, the power assembly further comprises a first heat dissipation member disposed at an end of the reactance module near the first diaphragm, the first heat dissipation member being configured to convey a heat dissipation medium to the reactance module along the first direction.

According to one embodiment of the first aspect of the application, the DC-DC conversion assembly comprises a second chopper module, a flying chopper module, an output contact module, a chopper reactance module and an isolating switch which are connected in sequence, wherein the second sub-cabinet comprises a first subspace and a second subspace which are isolated from each other, the first subspace is used for accommodating the second chopper module, the flying chopper module, the output contact module and the chopper reactance module, and the second subspace is used for accommodating the isolating switch.

According to an embodiment of the first aspect of the present application, the DC-DC conversion assembly further comprises a second heat dissipation member provided at one end of the first subspace in the first direction and adapted to convey a heat dissipation medium in the first direction to the other end.

According to one embodiment of the first aspect of the application, the cabinet body further comprises a third sub-cabinet body, the wind-storage integrated converter further comprises a control component, the control component is arranged on the third sub-cabinet body, and the third sub-cabinet body is connected with the first sub-cabinet body and/or the second sub-cabinet body.

According to one embodiment of the first aspect of the present application, the third sub-cabinet includes a first vertical partition, the control assembly includes a functional member, an interface member connecting the functional member, and a third heat dissipation member, the functional member and the third heat dissipation member are disposed on one side of the first vertical partition, and the interface member is disposed on the other side of the first vertical partition.

According to one embodiment of the first aspect of the present application, the second sub-cabinet, the first sub-cabinet and the third sub-cabinet are sequentially arranged along a second direction, and the second direction is perpendicular to the first direction; the first vertical partition is parallel to a plane formed by the first direction and the second direction.

According to one embodiment of the first aspect of the present application, the cabinet body further includes a fourth sub-cabinet body, and the wind-storage integrated converter further includes a switch assembly, where the switch assembly is disposed on the fourth sub-cabinet body; the switch assembly comprises a stator contactor, a main breaker and a fourth heat dissipation component, wherein the stator contactor and the main breaker are arranged at intervals along a first direction, and the fourth heat dissipation component is arranged at the end part of the fourth sub-cabinet body along the first direction and is used for conveying heat dissipation media to the other end along the first direction.

The power cabinet has the beneficial effects that the cabinet body comprises the first sub cabinet body and the second sub cabinet body which are connected, and the power component and the DC-DC conversion component are respectively arranged in the first sub cabinet body and the second sub cabinet body, so that the DC-DC conversion component is connected with the power component, and the power obtained by the power component can be converted by the DC-DC conversion component and then is transmitted to an external electric energy storage device for storage, so that the DC-DC conversion component and the power component are arranged in the same cabinet body, and the structural consistency of the converter cabinet body is improved; meanwhile, the output port of the power module is arranged at one end, close to the reactance module, along the first direction, the size of a connecting piece between the power module and the reactance module can be reduced, the size of the wind storage integrated converter is further reduced, and finally the space occupation amount of the wind storage integrated converter in the wind generating set is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Figure 1 is a front view of a wind-powered integrated converter according to an embodiment of a first aspect of the present application;

figure 2 is a rear view of an integrated wind-powered electricity-storage converter in accordance with an embodiment of the first aspect of the present application;

fig. 3 is a left side view of a wind-storage integrated converter according to an embodiment of the first aspect of the present application;

Fig. 4 is a right side view of the wind-storage integrated converter according to the embodiment of the first aspect of the present application.

In the figure, a wind-storage integrated converter is 100; 10. a cabinet body; 11. a first sub-cabinet; 111. a first diaphragm; 112. a second vertical partition; 12. a second sub-cabinet; 121. a first subspace; 1211. a second diaphragm; 122. a second subspace; 123. a third vertical partition; 13. a third sub-cabinet; 131. a first vertical partition; 14. a fourth sub-cabinet; 141. a third diaphragm; 142. a fourth vertical partition; 20. a power assembly; 21. a power module; 22. a reactance module; 23. a first chopper module; 24. a first heat radiation member; 30. a DC-DC conversion assembly; 31. a second chopper module; 32. a fly-over chopper module; 33. an output contact module; 34. a chopper reactance module; 35. an isolating switch; 36. a second heat radiation member; 40. a control assembly; 41. a functional member; 42. an interface member; 43. a third heat radiation member; 50. a switch assembly; 51. a stator contactor; 52. a main breaker; 53. a fourth heat radiation member; x, a first direction; y, second direction.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the described embodiments of the application may be combined with other embodiments.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "attached" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

The term "and/or" in the present application is merely an association relation describing the association object, and indicates that three kinds of relations may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In the present application, the character "/" generally indicates that the front and rear related objects are an or relationship.

The term "plurality" as used herein means two or more (including two), and similarly, "plural sets" means two or more (including two), and "plural sheets" means two or more (including two).

Figure 1 is a front view of a wind-powered integrated converter according to an embodiment of a first aspect of the present application; figure 2 is a rear view of an integrated wind-powered electricity-storage converter in accordance with an embodiment of the first aspect of the present application; fig. 3 is a left side view of a wind-storage integrated converter according to an embodiment of the first aspect of the present application; fig. 4 is a right side view of the wind-storage integrated converter according to the embodiment of the first aspect of the present application.

As shown in fig. 1 to 4, an embodiment of the present application provides an integrated wind-storage converter 100, where the integrated wind-storage converter 100 includes a cabinet 10, a power component 20 and a DC-DC conversion component 30, and the cabinet 10 includes a first sub-cabinet 11 and a second sub-cabinet 12, and the first sub-cabinet 11 is connected to the second sub-cabinet 12; the power assembly 20 is arranged on the first sub-cabinet 11 and comprises a power module 21 and a reactance module 22 which are oppositely arranged along a first direction X, and an output port of the power module 21 is arranged at one end, close to the reactance module 22, along the first direction X; the DC-DC conversion assembly 30 is disposed on the second sub-cabinet 12 and connected to the power assembly 20, and the DC-DC conversion assembly 30 is used to connect an external energy storage member to the power assembly 20.

The wind-storage integrated converter 100 is disposed in the wind generating set, so that after the wind generating set converts mechanical energy generated by wind into alternating current with irregular frequency, the alternating current is rectified into direct current, and further electric energy is converted into chemical energy in the electric energy storage device for storage.

The cabinet 10 is a supporting member of the wind-storage integrated converter 100, and is used for placing the power assembly 20 and the DC-DC conversion assembly 30. The cabinet body 10 includes a first sub-cabinet body 11 and a second sub-cabinet body 12, where the first sub-cabinet body 11 is connected with the second sub-cabinet body 12, and it means that the first sub-cabinet body 11 and the second sub-cabinet body 12 are two independent cabinet bodies, and are respectively used for placing the aforementioned power component 20 and the DC-DC conversion component 30, and at the same time, a hole or other communication structure may be formed at a connection position between the first sub-cabinet body 11 and the second sub-cabinet body 12, so as to be used for connecting the power component 20 and the DC-DC conversion component 30 in a wiring manner.

Illustratively, in some embodiments, the first sub-cabinet 11 and the second sub-cabinet 12 may be detachably connected by using a connection piece such as a screw, a bolt, a stud, or the like, so as to reduce the maintenance or replacement difficulty of the first sub-cabinet 11 and the second sub-cabinet 12, and facilitate maintenance by a maintainer; in some embodiments, the first sub-cabinet 11 and the second sub-cabinet 12 may be fixedly connected by welding or integrally forming, so as to further increase structural consistency between the first sub-cabinet 11 and the second sub-cabinet 12.

In these embodiments of the present application, the aforementioned power module 21 may be used to convert ac power generated by a wind turbine generator into DC power for transmission to the DC-DC conversion assembly 30, and the DC-DC conversion assembly 30 performs voltage conversion on the power transmitted by the power module 21 and stores the power in an external power storage member connected to the DC-DC conversion assembly 30.

The power assembly 20 is disposed in the first sub-cabinet 11, and in a possible implementation, the first sub-cabinet 11 is a multi-layer structure, and each sub-component of the power assembly 20 is disposed in a different layer structure of the first sub-cabinet 11. Wherein, each sub-component of the power assembly 20 can be connected with the first sub-cabinet 11 in a detachable connection manner, so as to improve the stability of the power assembly 20 in the first sub-cabinet 11; in some embodiments, the sub-components of the power assembly 20 may also be placed in the first sub-cabinet 11, so as to provide a space for supporting and placing the power assembly 20 by using the first sub-cabinet 11.

The power assembly 20 includes a power module 21 and a reactance module 22 disposed opposite to each other along the first direction X, which means that in these embodiments of the present application, the first sub-cabinet 11 is divided into two areas along the first direction X, and the two areas are used to dispose the power module 21 and the reactance module 22, respectively.

The output port of the power module 21 is disposed at one end along the first direction X near the reactance module 22, so that the setting length of the connection member between the power module 21 and the reactance module 22 can be reduced, the connection difficulty between the power module 21 and the reactance module 22 is reduced, and the cost of the connection member is also reduced.

In these embodiments of the application, the connection member between the power module 21 and the reactance module 22 may be a copper bar or a cable.

It should be noted that, in these embodiments of the present application, the power module 21 may be a side power module and/or a network side power module; the reactance module 22 may equally be a machine side reactance module and/or a network side power module, and the above described design of the present application aims to reduce the spacing between the power module 21 and the reactance module 22.

Illustratively, in some embodiments of the present application, the output port of the machine side power module may be disposed at an end near the machine side reactance module in the first direction X to reduce the length of the connection member between the machine side power module and the machine side reactance module; the output port of the grid-side power module may also be disposed at an end near the grid-side reactance module in the first direction X to reduce the length of the connection member between the grid-side power module and the grid-side reactance module.

The DC-DC conversion assembly 30 is disposed on the second sub-cabinet 12, and in a possible implementation, the second sub-cabinet 12 is a multi-layer structure, and the DC-DC conversion assembly 30 sub-components are disposed in different layer structures of the second sub-cabinet 12. The connection between the DC-DC conversion assembly 30 and the second sub-cabinet 12 may be a fixed connection or a detachable connection.

The DC-DC conversion assembly 30 is connected to the power assembly 20, which means that the DC-DC conversion assembly 30 is electrically connected to the power assembly 20, so that the power assembly 20 can supply electric power to the DC-DC conversion assembly 30.

In these embodiments of the present application, the power module 20 converts ac power of irregular frequency generated by the wind generating set into DC power, the input end of the DC-DC conversion module 30 is connected to the power module 20 to regulate the voltage of the DC power transmitted by the power module 20, and the output end of the DC-DC conversion module 30 is used to connect to an external electrical energy storage device, so as to input the DC power after voltage reduction into the electrical energy storage device, and convert the electrical energy into chemical energy or other forms of energy for storage.

According to the wind-storage integrated converter 100 of the embodiment of the application, the cabinet body 10 is arranged to comprise the first sub-cabinet body 11 and the second sub-cabinet body 12 which are connected, and the power component 20 and the DC-DC conversion component 30 are respectively arranged in the first sub-cabinet body 11 and the second sub-cabinet body 12, so that the DC-DC conversion component 30 is connected with the power component 20, and the electric energy obtained by the power component 20 can be converted by the DC-DC conversion component 30 and then is transmitted to an external electric energy storage device for storage, so that the DC-DC conversion component 30 and the power component 20 are arranged in the same cabinet body 10, and the structural consistency of the converter cabinet body is improved; meanwhile, the output port of the power module 21 is arranged at one end, close to the reactance module 22, along the first direction X, so that the size of a connecting piece between the power module 21 and the reactance module 22 can be reduced, the size of the wind power storage integrated converter 100 is further reduced, and finally the space occupation amount of the wind power storage integrated converter 100 in the wind generating set is reduced.

According to one embodiment of the first aspect of the present application, the first sub-cabinet 11 includes a first diaphragm 111, the first diaphragm 111 being disposed perpendicular to the first direction X; the power module 21 and the reactance module 22 are disposed on both sides of the first diaphragm 111 along the first direction X, respectively.

The first diaphragm 111 is used for dividing the accommodating space of the first sub-cabinet 11 into two parts for accommodating the power module 21 and the reactance module 22. In these embodiments of the application, the first diaphragm 111 is arranged perpendicular to the first direction X so that the power module 21 and the reactance module 22 may be arranged along the first direction X. In this way, the working environments of the power module 21 and the reactance module 22 can be kept relatively isolated, heat exchange between the power module 21 and the reactance module 22 is reduced, and further, the influence of high heat generated by the reactance module 22 during operation on the power module 21 is reduced, so that the reliability of the wind-storage integrated converter 100 is improved.

Illustratively, in these embodiments of the present application, the first direction X may be set to be a vertical direction, so that the power module 21 and the reactance module 22 are stacked in the vertical direction, so as to reduce the space occupation of the wind power storage integrated converter 100 in the lateral direction, and improve the structural rationality of the wind power storage integrated converter 100.

According to an embodiment of the first aspect of the present application, the power assembly 20 further comprises a first chopper module 23, the first chopper module 23 being connected to the power module 21 and being arranged at an end of the power module 21 facing away from the reactance module 22.

The first chopper module 23 is connected with the power module 21, which means that the first chopper module 23 is electrically connected with the power module 21, so as to reduce the direct current with higher voltage obtained by the power module 21, and is used to cooperate with the DC-DC conversion assembly 30 to reduce the voltage of the electric energy obtained by the wind generating set.

In these embodiments of the present application, the first chopper module 23 is disposed at the end of the power module 21 facing away from the reactance module 22, so that, on the one hand, the space of the first sub-tank 11 for disposing the power module 21 can be fully utilized, and on the other hand, the first chopper module 23 can also be disposed away from the reactance module 22, so as to reduce the possibility of the reactance module 22 affecting the first chopper module 23.

According to an embodiment of the first aspect of the present application, the power assembly 20 further includes a first heat dissipation member 24, the first heat dissipation member 24 is disposed at an end of the reactance module 22 near the first diaphragm 111, and the first heat dissipation member 24 is configured to convey a heat dissipation medium to the reactance module 22 along the first direction X.

The first heat dissipation member 24 is used to exchange heat with the reactance module 22 to carry away heat generated by the reactance module 22 during operation. In these embodiments of the application, the first heat dissipating member 24 may be provided as a centrifugal fan, i.e. the heat dissipating medium is cold air. Of course, in some embodiments, a water cooling plate attached to the reactance module 22 may be provided to dissipate heat from the reactance module 22 by using a heat dissipation medium.

In these embodiments of the application, the first heat dissipating member 24 functions to exchange heat with the reactance module 22 to carry away heat generated by the reactance module 22 during operation. In these embodiments of the application, the first heat dissipating member 24 may be provided as a centrifugal fan, i.e. the heat dissipating medium is cold air. The first heat dissipation member 24 is disposed at one end of the reactance module 22 near the first diaphragm 111, so that on one hand, space of the first sub-cabinet 11 for setting the power module 21 can be fully utilized, and on the other hand, the first chopper module 23 can be far away from the reactance module 22, so that possibility of influence of the reactance module 22 on the first chopper module 23 is reduced

In these embodiments of the present application, the first heat dissipation member 24 is disposed at an end of the reactance module 22 near the first diaphragm 111, and the first heat dissipation member 24 is used for conveying the heat dissipation medium to the reactance module 22 along the first direction X. The first heat dissipation member 24 is disposed between the power module 21 and the reactance module 22, and the first heat dissipation member 24 conveys the heat dissipation medium to the reactance module 22 along the direction of the power module 21 pointing to the reactance module 22, so that the cold air is not blown to the power module 21 or the first chopper module 23 after heat exchange with the reactance module 22 is achieved, and further the influence of temperature on the power module 21 and the first chopper module 23 can be reduced, and the reliability is higher.

According to an embodiment of the first aspect of the present application, the DC-DC conversion assembly 30 includes a second chopper module 31, a fly-over chopper module 32, an output contact module 33, a chopper reactance module 34, and a disconnecting switch 35 connected in sequence, and the second sub-tank 12 includes a first sub-space 121 and a second sub-space 122 isolated from each other, the first sub-space 121 being configured to accommodate the second chopper module 31, the fly-over chopper module 32, the output contact module 33, and the chopper reactance module 34, and the second sub-space 122 being configured to accommodate the disconnecting switch 35.

In these embodiments of the present application, the second chopper module 31, the fly-over chopper module 32, the output contact module 33, and the chopper reactance module 34 are connected in sequence within the first subspace 121, wherein the second chopper module 31 is connected with the first chopper module 23 for commonly converting the high voltage of the power module 21 into the low voltage; the isolating switch 35 is disposed in the second subspace 122, and it may be possible to provide the second subspace 122 as a common space for an operator, so that the operator can open and close the DC-DC conversion assembly 30 through the isolating switch 35, and at the same time, the operator can also perform the opening operation.

In these embodiments of the present application, a plurality of second diaphragms 1211 disposed opposite to each other along the first direction X may be disposed in the first subspace 121, so that the first subspace 121 is divided into a plurality of spaces for disposing the second chopper module 31, the fly-over chopper module 32, the output contact module 33 and the chopper reactance module 34 by using the plurality of second diaphragms 1211, so that the working environments of the components of the DC-DC conversion assembly 30 in the second sub-cabinet 12 are relatively independent, and the possible interaction between the components is reduced, thereby improving the reliability.

According to an embodiment of the first aspect of the present application, the DC-DC conversion assembly 30 further includes a second heat dissipation member 36, the second heat dissipation member 36 being disposed at one end of the first subspace 121 in the first direction X and being configured to convey a heat dissipation medium in the first direction X toward the other end.

In these embodiments of the present application, the second heat dissipating member 36 may also be configured as a centrifugal fan, so that the cold air is delivered into the first subspace 121 by the centrifugal fan, and the heat in the first subspace 121 is taken away by the cold air, so that each member of the DC-DC conversion assembly 30 can operate at a suitable operating temperature.

According to an embodiment of the first aspect of the present application, the cabinet 10 further includes a third sub-cabinet 13, the wind-storage integrated converter 100 further includes a control assembly 40, the control assembly 40 is disposed on the third sub-cabinet 13, and the third sub-cabinet 13 is connected to the first sub-cabinet 11 and/or the second sub-cabinet 12.

In some embodiments of the present application, the control component 40 may be configured to control the first chopper module 23 and the second chopper module 31, thereby controlling the voltage value of the direct current output by the DC-DC conversion component 30; in some embodiments, the control component 40 may also be configured to control the power module 21, and thus control the frequency of the direct current output by the power module 21.

That is, in these embodiments of the present application, a control assembly 40 may be provided in connection with the power assembly 20 and/or the DC-DC conversion assembly 30.

The third sub-cabinet 13 is connected with the first sub-cabinet 11 and/or the second sub-cabinet 12, which means that the relative positions of the first sub-cabinet 11, the second sub-cabinet 12 and the third sub-cabinet 13 can be selected according to actual needs. Illustratively, in some embodiments, the first sub-cabinet 11 may be connected to the second sub-cabinet 12, and at this time, the third sub-cabinet 13 may be connected to the first sub-cabinet 11, or the third sub-cabinet 13 may also be connected to the second sub-cabinet 12; in some embodiments, the third sub-cabinet 13 may also be disposed between the first sub-cabinet 11 and the second sub-cabinet 12, where the first sub-cabinet 11 is connected to the second sub-cabinet 12 through the third sub-cabinet 13.

According to an embodiment of the first aspect of the present application, the cabinet 10 further includes a fourth sub-cabinet 14, and the wind-storage integrated converter 100 further includes a switch assembly 50, where the switch assembly 50 is disposed on the fourth sub-cabinet 14; the switch assembly 50 includes a stator contactor 51, a main breaker 52, and a fourth heat dissipation member 53, wherein the stator contactor 51 and the main breaker 52 are disposed at intervals along a first direction X, and the fourth heat dissipation member 53 is disposed at an end of the fourth sub-cabinet 14 along the first direction X and is used for conveying a heat dissipation medium along the first direction X toward the other end.

In these embodiments of the present application, the fourth sub-tank 14 may be provided to include the third diaphragm 141, and thus, the receiving space of the fourth sub-tank 14 may be divided into two parts by the third diaphragm 141 to receive the stator contactor 51 and the main breaker 52, respectively, by the two parts, and the stator contactor 51 and the main breaker 52 may be connected through a bus bar.

In these embodiments of the present application, the fourth heat dissipation member 53 may be provided as an axial flow fan, which is advantageous for the overall heat dissipation of the fourth sub-cabinet 14.

According to one embodiment of the first aspect of the present application, the third sub-cabinet 13 includes a first vertical partition 131, and the control assembly 40 includes a functional member 41, an interface member 42 connecting the functional member 41, and a third heat dissipation member 43, the functional member 41 and the third heat dissipation member 43 being disposed at one side of the first vertical partition 131, and the interface member 42 being disposed at the other side of the first vertical partition 131.

The function member 41 functions as a control function, that is, the function member 41 is a member for connecting the power module 20 and/or the DC-DC conversion module 30 in the control module 40 to function as a control.

The interface member 42 is for connection with the functional member 41 and for connection of the functional member 41 with an external member.

In these embodiments of the present application, the first vertical partition 131 functions to divide the third sub-tank 13 into two parts in a direction parallel to the first direction X.

According to an embodiment of the first aspect of the present application, the second sub-cabinet 12, the first sub-cabinet 11 and the third sub-cabinet 13 are sequentially arranged along a second direction Y, and the second direction Y is perpendicular to the first direction X; the first vertical partition 131 is parallel to a plane formed by the first direction X and the second direction Y.

Further, the third sub-cabinet 13 may be divided into two parts of "front and rear", and in this case, the interface member 42 may be disposed on the side of the first vertical partition 131 corresponding to the "front part", and the functional member 41 and the third heat dissipation member 43 may be disposed on the side of the first vertical partition 131 corresponding to the "rear part". The interface member 42 is thus provided at the front side of the third sub-tank 13, so that an operator can easily connect an external member with the functional member 41 through the interface member 42.

It should be noted that in these embodiments of the present application, the first sub-cabinet 11 may include the second vertical partition 112, the second sub-cabinet 12 may include the third vertical partition 123, and the fourth sub-cabinet 14 may include the fourth vertical partition 142, so that the spaces of the first sub-cabinet 11, the second sub-cabinet 12, the third sub-cabinet 13, and the fourth sub-cabinet 14 may be separated into a front-back structure, and further, the heat dissipation members may be disposed at the rear sides of the respective cabinets, which is beneficial to circulation of cold air and reduction of heat in the cabinet of the wind-storage integrated converter 100.

In some embodiments, the first vertical partition 131, the second vertical partition 112, the third vertical partition 123, and the fourth vertical partition 142 may be provided as an integral structure to further improve structural uniformity of the wind-storage integrated current transformer 100.

Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of protection of the application is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the application, the steps may be implemented in any order and there are many other variations of the different aspects of one or more embodiments of the application as above, which are not provided in detail for the sake of brevity.

One or more embodiments of the present application are intended to embrace all such alternatives, modifications and variations as fall within the broad scope of the present application. Accordingly, any omissions, modifications, equivalents, improvements and others which are within the spirit and principles of the one or more embodiments of the application are intended to be included within the scope of the application.

Claims (10)

1. An integrated wind-powered electricity generation and storage converter, comprising:

The cabinet body comprises a first sub-cabinet body and a second sub-cabinet body, and the first sub-cabinet body is connected with the second sub-cabinet body;

The power assembly is arranged on the first sub-cabinet body and comprises a power module and a reactance module which are oppositely arranged along a first direction, and an output port of the power module is arranged at one end close to the reactance module along the first direction;

The DC-DC conversion assembly is arranged on the second sub cabinet body and connected with the power assembly, and the DC-DC conversion assembly is used for connecting an external energy storage component with the power assembly.

2. The wind-powered integrated converter of claim 1, wherein the first sub-cabinet includes a first diaphragm disposed perpendicular to the first direction;

The power module and the reactance module are respectively arranged on two sides of the first diaphragm plate along the first direction.

3. The wind-powered integrated converter of claim 2, wherein the power assembly further comprises a first chopper module coupled to the power module and disposed at an end of the power module facing away from the reactance module.

4. The wind-powered integrated converter of claim 2, wherein the power assembly further comprises a first heat dissipation member disposed at an end of the reactance module proximate the first diaphragm, the first heat dissipation member configured to convey a heat dissipation medium to the reactance module in the first direction.

5. The wind-powered integrated converter of claim 1, wherein the DC-DC conversion assembly comprises a second chopper module, a fly-over chopper module, an output contact module, a chopper reactance module and an isolating switch connected in sequence,

The second sub-cabinet body comprises a first subspace and a second subspace which are isolated from each other, wherein the first subspace is used for accommodating the second chopping module, the flying chopping module, the output contact module and the chopping reactance module, and the second subspace is used for accommodating the isolating switch.

6. The integrated wind-power converter of claim 5, wherein the DC-DC conversion assembly further comprises a second heat sink member disposed at one end of the first subspace in the first direction and configured to convey a heat sink medium in the first direction to the other end.

7. The integrated wind-storage converter of claim 1, wherein the cabinet further comprises a third sub-cabinet, the integrated wind-storage converter further comprises a control assembly, the control assembly is disposed on the third sub-cabinet, and the third sub-cabinet is connected with the first sub-cabinet and/or the second sub-cabinet.

8. The integrated wind-powered inverter of claim 7, wherein the third sub-cabinet comprises a first vertical partition, the control assembly comprises a functional member, an interface member connecting the functional member, and a third heat dissipating member, the functional member and the third heat dissipating member are disposed on one side of the first vertical partition, and the interface member is disposed on the other side of the first vertical partition.

9. The wind-storage integrated converter of claim 8, wherein the second sub-cabinet, the first sub-cabinet, and the third sub-cabinet are sequentially arranged along a second direction, the second direction being perpendicular to the first direction;

The first vertical partition plate is parallel to a plane formed by the first direction and the second direction.

10. The integrated wind-storage converter of claim 1, wherein the cabinet further comprises a fourth sub-cabinet, the integrated wind-storage converter further comprising a switch assembly disposed on the fourth sub-cabinet;

The switch assembly comprises a stator contactor, a main breaker and a fourth heat dissipation component, wherein the stator contactor and the main breaker are arranged at intervals along the first direction, and the fourth heat dissipation component is arranged at the end part of the fourth sub-cabinet body along the first direction and is used for conveying heat dissipation media to the other end along the first direction.