CN213402106U - Special compact high-pressure compartment for wind power box transformer substation - Google Patents

Special compact high-pressure compartment for wind power box transformer substation Download PDF

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Publication number
CN213402106U
CN213402106U CN202022151942.3U CN202022151942U CN213402106U CN 213402106 U CN213402106 U CN 213402106U CN 202022151942 U CN202022151942 U CN 202022151942U CN 213402106 U CN213402106 U CN 213402106U
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CN
China
Prior art keywords
space
cabinet body
circuit breaker
compact high
vacuum circuit
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Active
Application number
CN202022151942.3U
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Chinese (zh)
Inventor
李向春
戴安东
罗卫东
王旭
杨勇
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Sichuan Electric Group Zhongdian Switch Co ltd
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Sichuan Electric Group Zhongdian Switch Co ltd
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Priority to CN202022151942.3U priority Critical patent/CN213402106U/en
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Abstract

The utility model discloses a special compact high-pressure compartment for a wind power box transformer substation, which comprises a cabinet body, wherein a plurality of space structures are formed in the cabinet body, and the upper end of the cabinet body is provided with an internal arcing pressure release channel; the space comprises a first space integrated with a vacuum circuit breaker, and an operation interlocking mechanism is arranged in the first space and is respectively connected with the grounding switch and the isolating switch; the disconnecting switch is positioned at one side of the vacuum circuit breaker, and the grounding switch is arranged in a second space above the first space; the grounding switch is connected with the lightning arrester and the current transformer; the fuse that current transformer passes through is connected with voltage transformer, is equipped with the wall bushing on the cabinet body, is equipped with high-voltage sensor between current transformer and the wall bushing, has seted up the activity shrouding on the cabinet body. The compact high-voltage compartment special for the wind power box transformer substation improves the completeness and reliability of protection, measurement and control functions, is high in safety performance, small in overall structure volume and capable of meeting the requirements of miniaturization development.

Description

Special compact high-pressure compartment for wind power box transformer substation
Technical Field
The utility model relates to a power generation and distribution field, concretely relates to special compact high-voltage compartment is become to wind-powered electricity generation case.
Background
With the development of new energy technology, the capacity of a single wind power generation machine is rapidly increased, so that the capacity of a box-type substation for boosting, measuring, controlling and protecting between each wind tower and a 35Kv current collecting wire is increased, the box-type substation is usually large in size, installation, transportation, use and maintenance and transformation of early equipment are not changed greatly, and the safety performance and stability performance are required to be improved. Therefore, the wind power box transformer substation structure which is safe and reliable, convenient to maintain and capable of meeting the requirement of miniaturization development becomes an urgent need of the wind power generation industry.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a special compact high-pressure compartment is become to wind-powered electricity generation case to solve the above-mentioned problem of mentioning.
In order to solve the technical problem, the utility model provides a special compact high-voltage compartment for a wind power box transformer substation, which comprises a cabinet body and each electric element positioned in the cabinet body; a plurality of space structures integrated with electric elements are formed in the cabinet body, and an internal arcing pressure release channel is also formed at the upper end of the cabinet body; the space is provided with the operation interlocking gear including the first space that the vacuum circuit breaker is integrated in first space, and the operation interlocking gear is connected with earthing switch and the isolator that are located cabinet body internal respectively.
The disconnecting switch is positioned at one side of the vacuum circuit breaker, and the grounding switch is arranged in a second space above the first space; the grounding switch is also connected with a lightning arrester and a current transformer which are arranged in the second space; the fuse that current transformer passed through is connected with voltage transformer, is equipped with a wall bushing on the lateral wall of the cabinet body, the top that is located voltage transformer, is provided with high-voltage sensor on the connecting line between current transformer and the wall bushing, still has seted up movable shrouding on the cabinet body, corresponding to the position department in first space and second space.
Furthermore, a third space is also arranged in the cabinet body, and the third space is positioned beside the second space and is communicated with the second space; the current transformer is arranged at a channel communicated with the second space and the third space, and the fuse, the voltage transformer and the wall bushing are arranged in the third space.
Further, a first harmonic eliminator is further arranged in the third space and connected with the voltage transformer.
Furthermore, the movable sealing plates are two and correspondingly arranged on the third space and the cabinet wall positioned at the back end of the first space, and the movable sealing plates are detachably mounted with the cabinet body.
Furthermore, a primary outgoing part at the top of the vacuum circuit breaker in the first space is connected with the grounding switch, and a secondary outgoing part in the middle of the vacuum circuit breaker is connected with the isolating switch; the vacuum circuit breaker adopts a structural form of a handcart type vacuum circuit breaker, and a movable wheel is arranged at the lower end of the vacuum circuit breaker.
Further, the cabinet body still is provided with the fourth space, and the fourth space is located another side of second space as independent instrument room, on the cabinet body, be located the position department in fourth space and independently install the instrument door.
Further, still be provided with the observation window that is used for observing the internal condition of cabinet body on the cabinet body, the observation window is two, and corresponds the setting and locate at the position that is located first space and second space.
Further, the lower extreme of the cabinet body, the position department that is located first space have seted up primary cable hole and secondary cable hole, and primary cable hole is close to in isolator's position department, and secondary cable hole is close to in vacuum circuit breaker's position department.
Furthermore, the number of the primary cable holes is three, the primary cable holes are distributed at the lower end of the cabinet body at equal intervals, and primary cable clamps are arranged at the positions of the primary cable holes.
Further, still be provided with the arrester record appearance that discharges that is used for showing the arrester record on the cabinet body.
The utility model has the advantages that: the special compact high-voltage compartment for the wind power box transformer substation not only eliminates the defects of the existing structure and potential safety hazards of human bodies and equipment by the design of internal electrical elements and the optimized arrangement of the overall layout in the cabinet body, but also improves the completeness and reliability of the protection, measurement and control functions and has high safety performance; the overall structure volume can be further compacted, and the requirement of miniaturization development is met; and the overall reliability, maintainability and supportability are realized, and the improvement of the industrial technology and service level is effectively promoted. In the production process, the production of the box transformer substation complete machine is greatly facilitated, the modular design, the specialized and standardized production of the box transformer substation complete machine are promoted, the quality is improved, the period is shortened, and the cost is reduced.
Drawings
Fig. 1 schematically shows an internal structure schematic diagram of a special compact high-voltage compartment for a wind box transformer substation.
Fig. 2 schematically shows an external structural schematic diagram of a special compact high-voltage compartment for a wind box transformer substation.
Fig. 3 schematically shows a bottom structure schematic diagram of the special compact high-voltage compartment for the wind box transformer substation.
Fig. 4 schematically shows a structural schematic diagram of the disconnection between the earthing switch and the isolating switch of the special compact high-voltage compartment for the wind box transformer substation.
Wherein: 1. a cabinet body; 2. a cabinet main ground; 3. a space; 31. a first space; 32. a second space; 33. a third space; 34. a fourth space; 4. an internal arcing pressure relief passage; 5. a vacuum circuit breaker; 51. a primary wire outgoing part; 52. secondary outgoing part; 53. a movable wheel; 6. operating the interlocking mechanism; 7. a grounding switch; 8. an isolating switch; 9. a lightning arrester; 10. a current transformer; 11. a fuse; 12. a voltage transformer; 13. a wall bushing; 14. a high pressure sensor; 15. a movable closing plate; 16. a first harmonic eliminator; 17. an instrument door; 18. an observation window; 19. a primary cable hole; 20. a secondary cable hole; 21. a primary cable clamp; 22. arrester discharge recorder.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
And the following omits the technical common sense known to those skilled in the art for the sake of simplicity.
The following examples are given to illustrate the present invention.
As shown in FIGS. 1-4, according to the utility model discloses an embodiment of application, provided a special compact high-pressure compartment of wind-powered electricity generation case transformer substation to satisfy miniaturized, maintain convenient, safe and reliable's use needs. When in use, the transformer can be matched with a transformer chamber and a low-voltage chamber for use to form a complete box-type transformer substation.
The special compact high-voltage compartment for the wind power box transformer substation comprises a cabinet body 1 and various electrical elements positioned in the cabinet body 1. A plurality of spaces 3 are formed in the cabinet body 1, and each electric element is integrated in each space 3 to form a multi-module design, so that the space 3 can be rapidly combined. In the production process, the production of the box transformer substation complete machine is greatly facilitated, the modular design, the specialized and standardized production of the box transformer substation complete machine are promoted, the quality is improved, the period is shortened, and the cost is reduced.
And still set up an inside arcing pressure release passageway 4 in the upper end of cabinet body 1, when the internal combustion arc trouble of cabinet body 1 inside, the release of pressure can be carried out through this inside arcing pressure release passageway 4 in time to the high-pressure high-temperature gas that produces, can effectively restrict the further upgrading of internal combustion arc trouble, causes serious fuel effect, and then has improved the safe and reliable performance of equipment, is favorable to guaranteeing the safety of peripheral electric power facility and maintainer's safety.
Meanwhile, a channel plate can be arranged on the cabinet body 1 and positioned at the internal arcing pressure release channel 4, and the channel plate can be in a metal screen plate form, so that a certain pressure release effect can be achieved during buckling, and dust can be prevented from entering to a certain extent; when the heat is high, the metal mesh plate can be directly opened to open the inner arcing pressure relief channel 4.
The space 3 of the special compact high-voltage compartment for the wind power box transformer substation comprises a first space 31, wherein a vacuum circuit breaker 5 is integrated in the first space 31, the vacuum circuit breaker 5 can adopt a vacuum circuit breaker 5 with the type of SEAC4-40.5, the special vacuum circuit breaker 5 is adopted to replace the existing form of 'fuse 11+ load switch', the functionality is better, the integration level is high, and the requirement of miniaturization development is met.
And a primary outlet portion 51 at the top of the vacuum interrupter 5 in the first space 31 is connected to the ground switch 7, and a secondary outlet portion 52 at the middle of the vacuum interrupter 5 is connected to the disconnector 8. Wherein, the vacuum circuit breaker 5 can adopt the structural style of a handcart type vacuum circuit breaker 5, and the lower end of the vacuum circuit breaker is provided with a movable wheel 53, which is convenient for pushing, installing, replacing, overhauling and the like.
The operation interlocking mechanism 6 is disposed in the first space 31, and since the operation interlocking mechanism 6 is a well-known device in the art, detailed description thereof is omitted here. This operation interlocking gear 6 is connected with earthing switch 7 and isolator 8 that are located cabinet body 1 respectively, and the break-make of operation control earthing switch 7 and isolator 8 makes it both possess complete mechanical and electrical interlocking function, and each component is mutually independent again, mutually noninterfere, and the structure integrated level is high, satisfies the needs that the miniaturization was arranged.
Specifically, the disconnector 8 is arranged on the side of the vacuum interrupter 5, the disconnector 8 also being integrated in the first space 31. And the earthing switch 7 is arranged in the second space 32, wherein the second space 32 is positioned above the first space 31, the occupied space is saved, and the lightning arrester 9 and the current transformer 10 are also arranged in the second space 32, and the earthing switch 7 is connected with the lightning arrester 9 and the current transformer 10.
In the present application, a current transformer 10 is connected with a voltage transformer 12 through a fuse 11; a wall bushing 13 is arranged on the side wall of the cabinet body 1 and above the voltage transformer 12, and a high-voltage sensor 14 is arranged on a connecting line between the current transformer 10 and the wall bushing 13, so that the completeness and reliability of protection, measurement and control functions are improved; the design of this application realizes the miniaturization design of the whole volume through the design of the first space 31 and the second space 32 and the layout of the electric elements therein.
A movable sealing plate 15 is further opened on the cabinet body 1 at a position corresponding to the first space 31 and the second space 32, wherein the movable sealing plate 15 is detachably mounted on the cabinet body 1, and a sealing ring is further arranged at the mounting position for sealing the mounting gap.
In actual operation, a welded cabinet body mechanism can be adopted as required, the cabinet body 1 with the model number of HVC-40.5 is adopted, the overall structural design can meet the pollution severity grading standard, and the protection grade of the shell reaches IP 4X.
Certainly, the cabinet body 1 is also provided with an observation window 18 for observing the internal condition of the cabinet body 1; moreover, two observation windows 18 are provided and are correspondingly disposed at the positions of the first space 31 and the second space 32.
The inside of the first space 31 and the inside of the second space 32 can be observed through the observation window 18, and when a certain electric element needs to be inspected, the movable sealing plate 15 corresponding to the installation space 3 can be opened to carry out observation and inspection, so that the space 3 can be easily maintained and inspected in daily life. The structure defect and the potential safety hazard to operation maintenance personnel and equipment of the existing individual combined structure that the breaker and the switch element are combined and arranged on an operating mechanism frame are eliminated.
The special compact high-voltage compartment for the wind power box transformer substation not only eliminates the defects of the existing structure and potential safety hazards of human bodies and equipment by the design of internal electrical elements and the optimized arrangement of the overall layout in the cabinet body 1, but also improves the completeness and reliability of the protection, measurement and control functions and has high safety performance; the overall structure volume can be further compacted, and the requirement of miniaturization development is met; and the overall reliability, maintainability and supportability are realized, and the improvement of the industrial technology and service level is effectively promoted.
In addition to the above embodiments, it can also be a preferable embodiment that a third space 33 is further provided in the cabinet body 1, such that the third space 33 is located beside the second space 32 and is communicated with the second space 32, and of course, the third space 33 is also located above the first space 31.
Moreover, in order to optimize the layout design of the electric elements inside the cabinet and to compact the whole volume, the current transformer 10 may be installed at a passage where the second space 32 communicates with the third space 33, and the fuse 11, the voltage transformer 12 and the wall bushing 13 may be disposed in the third space 33. In cooperation, the two movable sealing plates 15 may be disposed correspondingly on the third space 33 and the cabinet wall at the back end of the first space 31, and the movable sealing plate 15 is detachably mounted on the cabinet body 1.
A primary resonance eliminator 16 is also arranged in the third space 33, the primary resonance eliminator 16 being connected to the voltage transformer 12 for eliminating resonance of the voltage transformer 12. Meanwhile, a lightning arrester discharge recorder 22 is arranged on the panel of the cabinet body 1 and used for displaying the discharge record of the lightning arrester 9.
The internal measurement and control protection function of the compact high-voltage compartment special for the wind power box transformer substation is powerful and perfect, along with the continuous rising of the capacity of a single wind power generation machine, more complete and reliable measurement and control and protection functions can be provided for a transformer, a fan and a high-voltage line, the measurement and control protection function has reclosing capacity, the mechanical life can be improved in a double mode, and the use and maintenance cost is greatly reduced.
In the application design of the present invention, a preferred embodiment can be further provided, specifically, a fourth space 34 is further provided in the cabinet body 1, and the fourth space 34 is located at another side of the second space 32 and also located above the first space 31; the fourth space 34 is used as an independent instrument room, so that the overall intelligent configuration can be further expanded and realized, a human-computer interface can be configured, and the convenience in operation is improved.
And on cabinet body 1, the position department that is located fourth space 34 independently installs instrument door 17, its instrument door 17 independently install on cabinet body 1, be located the position department of fourth space 34, protect the instrument that is located fourth space 34 promptly, be convenient for again alone carry out solitary maintenance etc. to the instrument that is located instrument door 17.
According to one the utility model discloses an optimize structural design, the lower extreme at cabinet body 1, the position department that is located first space 31 offer cable hole 19 and secondary cable hole 20 once, and cable hole 19 is close to in isolator 8's position department, and secondary cable hole 20 is close to in vacuum circuit breaker 5's position department.
Primary cable hole 19 and secondary cable hole 20 are seted up respectively in the both sides of cabinet body 1 lower extreme, form the cable junction of secondary position department, realize the connection of two different feeder return circuits, have improved continuity, the reliability of electric power confession joining in marriage, and arrange succinctly, more show lively and economic nature.
Wherein, the number of the primary cable holes 19 can be three, and the primary cable holes are distributed at the lower end of the cabinet body 1 at equal intervals; in addition, a primary cable clamp 21 is arranged at the position of the primary cable hole 19, so that the connection positioning performance is improved. Certainly, a cabinet main grounding piece 2 can be further arranged on the cabinet body 1 and serves as a main grounding part in the cabinet body 1, and grounding ends of all electrical elements can be integrally connected with the cabinet main grounding piece 2, so that the cabinet is good in compactness and high in integration level.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A special compact high-voltage compartment for a wind power box transformer substation comprises a cabinet body (1) and various electrical elements positioned in the cabinet body (1); the method is characterized in that: a plurality of space (3) structures for integrating electric elements are formed in the cabinet body (1), and an internal arcing pressure release channel (4) is also formed at the upper end of the cabinet body (1); the space (3) comprises a first space (31) integrated with a vacuum circuit breaker (5), an operation interlocking mechanism (6) is arranged in the first space (31), and the operation interlocking mechanism (6) is respectively connected with a grounding switch (7) and a disconnecting switch (8) which are positioned in the cabinet body (1);
the disconnecting switch (8) is positioned at one side of the vacuum circuit breaker (5), and the grounding switch (7) is arranged in a second space (32) above the first space (31); the grounding switch (7) is also connected with a lightning arrester (9) and a current transformer (10) which are arranged in the second space (32);
the current transformer (10) is connected with the voltage transformer (12) through a fuse (11), a wall bushing (13) is arranged on the side wall of the cabinet body (1) and above the voltage transformer (12), a high-voltage sensor (14) is arranged on a connecting line between the current transformer (10) and the wall bushing (13), and a movable sealing plate (15) is arranged on the cabinet body (1) and at a position corresponding to the first space (31) and the second space (32);
a third space (33) is further arranged in the cabinet body (1), and the third space (33) is located beside the second space (32) and communicated with the second space (32); the current transformer (10) is arranged at a channel where the second space (32) is communicated with the third space (33), and the fuse protector (11), the voltage transformer (12) and the wall bushing (13) are arranged in the third space (33).
2. The special compact high-pressure compartment for the wind box transformer substation of claim 1, characterized in that: a primary resonance eliminator (16) is further arranged in the third space (33), and the primary resonance eliminator (16) is connected with the voltage transformer (12).
3. The special compact high-pressure compartment for wind box transformer substations as claimed in claim 2, characterized in that: the movable sealing plates (15) are arranged on the third space (33) and the cabinet wall located at the back end of the first space (31) correspondingly, and the movable sealing plates (15) are detachably mounted on the cabinet body (1).
4. The special compact high-pressure compartment for the wind box transformer substation of claim 1, characterized in that: a primary outgoing part (51) positioned at the top of the vacuum circuit breaker (5) in the first space (31) is connected with the grounding switch (7), and a secondary outgoing part (52) positioned in the middle of the vacuum circuit breaker (5) is connected with the isolating switch (8); the vacuum circuit breaker (5) adopts a structure form of a handcart type vacuum circuit breaker, and a movable wheel (53) is installed at the lower end of the vacuum circuit breaker.
5. The special compact high-pressure compartment for the wind box transformer substation of claim 1, characterized in that: the cabinet body (1) is further provided with a fourth space (34), the fourth space (34) is used as an independent instrument room and located on the other side of the second space (32), and an instrument door (17) is independently installed at the position, located in the fourth space (34), on the cabinet body (1).
6. The special compact high-pressure compartment for the wind box transformer substation of claim 1, characterized in that: still be provided with observation window (18) that are used for observing cabinet body (1) inside condition on cabinet body (1), observation window (18) are two, and correspond the setting and locate at the position that is located first space (31) and second space (32).
7. The special compact high-pressure compartment for the wind box transformer substation of claim 1, characterized in that: the lower extreme of cabinet body (1), the position department that is located first space (31) have seted up primary cable hole (19) and secondary cable hole (20), primary cable hole (19) are close to in the position department of isolator (8), secondary cable hole (20) are close to in the position department of vacuum circuit breaker (5).
8. The special compact high-pressure compartment for wind box transformer substations as claimed in claim 7, characterized in that: primary cable hole (19) are three, and equal interval distribution is in the lower extreme of cabinet body (1) to be provided with primary cable clamp (21) in the position department of primary cable hole (19).
9. The special compact high-pressure compartment for the wind box transformer substation of claim 1, characterized in that: the cabinet body (1) is also provided with an arrester discharge recorder (22) for displaying the discharge record of the arrester (9).
CN202022151942.3U 2020-09-27 2020-09-27 Special compact high-pressure compartment for wind power box transformer substation Active CN213402106U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022151942.3U CN213402106U (en) 2020-09-27 2020-09-27 Special compact high-pressure compartment for wind power box transformer substation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022151942.3U CN213402106U (en) 2020-09-27 2020-09-27 Special compact high-pressure compartment for wind power box transformer substation

Publications (1)

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CN213402106U true CN213402106U (en) 2021-06-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112217118A (en) * 2020-09-27 2021-01-12 四川电器集团中电开关有限公司 Special compact high-pressure compartment for wind power box transformer substation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112217118A (en) * 2020-09-27 2021-01-12 四川电器集团中电开关有限公司 Special compact high-pressure compartment for wind power box transformer substation
CN112217118B (en) * 2020-09-27 2022-07-01 四川电器集团中电开关有限公司 Special compact high-pressure compartment for wind power box transformer substation

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Inventor after: Li Xiangchun

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Inventor after: Wang Xu

Inventor after: Yang Yong

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