CN210273152U - Low-voltage cabinet and miniaturized prefabricated substation - Google Patents

Low-voltage cabinet and miniaturized prefabricated substation Download PDF

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Publication number
CN210273152U
CN210273152U CN201921053866.3U CN201921053866U CN210273152U CN 210273152 U CN210273152 U CN 210273152U CN 201921053866 U CN201921053866 U CN 201921053866U CN 210273152 U CN210273152 U CN 210273152U
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China
Prior art keywords
voltage
cabinet
low
chamber
transformer
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CN201921053866.3U
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Chinese (zh)
Inventor
许凯旋
翟丽珍
于建军
喻金
谭锦权
余恩赐
张小明
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Haihong Electric Co Ltd
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Haihong Electric Co Ltd
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Abstract

The utility model discloses a low-voltage cabinet and a miniaturized prefabricated substation, wherein the low-voltage cabinet comprises a metering inlet cabinet, a low-voltage outlet cabinet and a capacitor cabinet, and the low-voltage outlet cabinet and the capacitor cabinet are jointly arranged on the back side of the metering inlet cabinet; the low-voltage capacitor module is connected to the capacitor cabinet through an insulated cable, and the low-voltage capacitor module for compensation is arranged in the metering inlet cabinet with redundant space. The miniaturized prefabricated substation comprises a box body, wherein a transformer chamber, a high-voltage chamber and a low-voltage chamber are arranged in the box body; the transformer chamber and the low-pressure chamber are arranged up and down, the transformer chamber is arranged above the low-pressure chamber, and the high-pressure chamber is arranged beside the transformer chamber and the low-pressure chamber, so that the transformer substation is compact in structure and the occupied area is reduced. In addition, the high-pressure chamber and the low-pressure chamber are arranged on the first layer of the box body, so that the high-pressure and low-pressure switch is convenient to operate.

Description

Low-voltage cabinet and miniaturized prefabricated substation
Technical Field
The utility model relates to a transformer substation technical field, in particular to low-voltage cabinet and miniaturized prepackage type transformer substation.
Background
With the rapid development of the social economy in China, the development process of the electric power industry and the city is also rapidly developed continuously. At present, the power load is larger and larger, the supply of urban land resources is more and more tense, and the construction problem of urban network transformer substations is more and more prominent. The urban network construction and transformation requires that high voltage directly enters the city, the power transformation equipment goes deep into a load center, and the power distribution equipment is coordinated with the surrounding environment. Meanwhile, the transformer and distribution equipment is required to be safe and reliable, low in loss, low in noise, strong in short-circuit resistance, small in size, simple and convenient to install and use, free of maintenance or less in maintenance. The pre-installed transformer substation is accepted by the majority of power supply departments and users due to the advantages of compact structure, quick installation, flexible operation, safety, reliability, simple maintenance, environmental protection, green and the like. Therefore, it is necessary to develop a compact pre-installed substation, and the compact substation should meet the requirement of convenient switch operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a compact structure's low-voltage cabinet and convenient switch operation's miniaturized prepackage type transformer substation.
According to a first aspect of the present invention, a low voltage cabinet is provided, which includes a metering inlet cabinet, a low voltage outlet cabinet and a capacitor cabinet, wherein the low voltage outlet cabinet and the capacitor cabinet are disposed at the back side of the metering inlet cabinet; the metering inlet cabinet is internally provided with a low-voltage capacitor module, and the low-voltage capacitor module is connected to the capacitor cabinet through an insulated cable.
The utility model discloses the first aspect provides a low-voltage cabinet has following beneficial effect at least: traditional low-voltage cabinet sets up the low-voltage capacitor module of usefulness compensating in the electric capacity cabinet, and the utility model discloses a low-voltage cabinet sets up the low-voltage capacitor module of usefulness compensating in the measurement inlet wire cabinet that has unnecessary space, and the low-voltage capacitor module passes through insulated cable to be connected with the electric capacity cabinet, realizes the capacitance compensation function, sets up like this and to make the structure of low-voltage cabinet compacter.
According to the utility model discloses an aspect a low-voltage cabinet, the low-voltage is qualified for the next round of competitions and is equipped with first isolation knife switch, is qualified for the next round of competitions measuring instrument table and the switch of being qualified for the next round of competitions in the cabinet, wherein, the measuring instrument setting of being qualified for the next round of competitions is in the lower part of low-voltage extrusion line cabinet. The traditional low extrusion line cabinet will be qualified for the next round of competitions measuring instrument and set up the top at the cabinet, first isolation knife switch with be qualified for the next round of competitions the below of measuring instrument, first isolation knife switch with be qualified for the next round of competitions the switch and take the wiring copper bar usually, the setting of wiring copper bar needs to satisfy the requirement of national standard to insulating distance, so certain insulation space can be left usually to the lower part of low extrusion line cabinet, the utility model discloses to be qualified for the next round of competitions measuring instrument and set up in the original vacant insulation space of low extrusion line cabinet lower part, owing to be qualified for the next round of competitions measuring instrument and adopt the insulated cable connection, insulated cable is insulating itself, therefore need not leave too long distance, also can not influence the insulating properties of low extrusion line cabinet, such setting can the height of the.
According to the utility model discloses an aspect a low-voltage cabinet, low-voltage capacitor module includes a plurality of low-voltage capacitor subassembly, be equipped with in the electric capacity cabinet with a plurality of low-voltage capacitor subassembly correspond a plurality of compensation adjustment wares of connecting, still be equipped with the compensation mounting panel of two piece at least parallel relative settings before and after in the electric capacity cabinet, a plurality of compensation adjustment wares distribute set up in on the compensation mounting panel of two piece at least, each layer of compensation mounting panel articulate respectively in inside the electric capacity cabinet.
According to the utility model discloses an aspect a low-voltage cabinet, still include electric capacity cabinet measuring instrument, second isolation knife switch, automatic compensator, fuse in the electric capacity cabinet, the fuse is connected the compensation adjustment ware with electric capacity cabinet measuring instrument, electric capacity cabinet measuring instrument connects the second isolation knife switch.
According to the utility model discloses a low-voltage cabinet of first aspect, the measurement inlet wire cabinet is equipped with the first cabinet body and the second cabinet body that side by side about, the low-voltage capacitor module sets up in the lower part of the first cabinet body, the upper portion of the first cabinet body is equipped with the electricity consumption measurement module; and a low-voltage incoming line measuring module, a drawer-type low-voltage main switch module and a dry-type transformer temperature control module are arranged in the second cabinet body.
According to a second aspect of the present invention, there is provided a miniaturized prefabricated substation, comprising a box body, wherein a transformer chamber, a high-voltage chamber and a low-voltage chamber are arranged in the box body; the transformer chamber and the low-voltage chamber are arranged up and down, the transformer chamber is arranged above the low-voltage chamber, and the high-voltage chamber is arranged beside the transformer chamber and the low-voltage chamber; a transformer is arranged in the transformer chamber, and the transformer is provided with a high-voltage sleeve and a low-voltage sleeve; a high-voltage cabinet is arranged in the high-voltage chamber and is connected with the high-voltage sleeve through a flexible cable; the low-voltage cabinet is arranged in the low-voltage chamber and is connected with the low-voltage sleeve through a flexible cable.
The utility model discloses two aspects provide a miniaturized prepackage type transformer substation has following beneficial effect at least: the transformer chamber and the low-voltage chamber are arranged up and down, and the high-voltage chamber is arranged beside the transformer chamber and the low-voltage chamber, so that the transformer substation is compact in structure, and the occupied area is reduced. In addition, the high-pressure chamber and the low-pressure chamber are arranged on the first layer of the box body, so that the high-pressure and low-pressure switch is convenient to operate.
According to the utility model discloses the second aspect a miniaturized prepackage type transformer substation, the transformer is the three-dimensional iron core dry-type transformer of rolling up of open-type.
According to the utility model discloses the second aspect a miniaturized prepackage type transformer substation, be equipped with high-pressure inlet wire cabinet, high-pressure looped netowrk cabinet and high-pressure wire outlet cabinet in the high-voltage board, high-pressure inlet wire cabinet high-pressure looped netowrk cabinet with high-pressure wire outlet cabinet follows the front side to the rear side direction range of box distributes.
According to the utility model discloses the second aspect a miniaturized prepackage type transformer substation, the box all is equipped with the switch door in four sides.
According to the second aspect of the present invention, a miniaturized pre-installed substation is provided, wherein a lower layer top cover and an upper layer top cover are arranged on the top of the box body, a plurality of ventilation holes are arranged in the middle of the lower layer top cover, the upper layer top cover is arranged above the middle of the lower layer top cover and covers the ventilation holes, and an air outlet channel is formed between the lower layer top cover and the upper layer top cover; the lower-layer top cover is provided with a plurality of keels for supporting the upper-layer top cover; and a lifting hook is arranged in the center of the top of the upper-layer top cover.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
fig. 1 is a schematic structural diagram of a miniaturized prefabricated substation provided by an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view taken along the line A-A in FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1;
fig. 4 is a schematic diagram of a partial circuit wiring of a miniaturized pre-installed substation according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a metering inlet cabinet of a low-voltage cabinet according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a low-voltage outlet cabinet and a capacitor cabinet of a low-voltage cabinet according to an embodiment of the present invention;
fig. 7a and 7b are schematic structural diagrams of a compensation mounting plate in a capacitor box of a low-voltage cabinet according to an embodiment of the present invention.
The reference numbers in the figures illustrate:
10-a transformer; 20-a high-voltage cabinet; 21-high voltage incoming cabinet; 22-high voltage ring main unit; 23-high voltage wire-out cabinet;
30-a low-voltage cabinet; 31-a metering inlet cabinet; 311-electricity consumption metering module; 312-low voltage capacitor module; 313-a low voltage incoming line measurement module; 314-low voltage main switch module; 315-dry transformer temperature control module; 316-a first inlet cabinet; 317-a second incoming cabinet; 32-low voltage outlet cabinet; 321-a first isolating blade switch; 322-outlet line measuring instrument; 323-a line-out switch; 33-a capacitor cabinet; 331-capacitance cabinet measuring instrument; 332-a second isolating blade switch; 333-automatic compensator; 334-fuses; 335-compensation regulator; 336-compensation mounting plate; 337-a first support plate; 338-a second support plate; 339-bolt assembly; 40-a box body; 41-transformer chamber; 42-a high pressure chamber; 43-low pressure chamber; 44-lower roof; 45-upper layer top cover; 46-keel; 47-hook.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, the embodiment of the present invention provides a miniaturized prefabricated substation, which includes a box 40, wherein a transformer chamber 41, a high-voltage chamber 42 and a low-voltage chamber are arranged in the box 40; specifically, the inside of the case 40 may be divided into a transformer chamber 41, a high-voltage chamber 42, and a low-voltage chamber 43 by a horizontal T-shaped partition. The transformer chamber 41 and the low-voltage chamber 43 are disposed vertically, the transformer chamber 41 is disposed above the low-voltage chamber 43, and the high-voltage chamber 42 is disposed beside the transformer chamber 41 and the low-voltage chamber 43. The distribution structure of the transformer room 41, the high-voltage room 42 and the low-voltage room 43 can make the transformer substation compact and reduce the occupied area. In addition, the high-pressure chamber 42 and the low-pressure chamber 43 are disposed at the first layer of the case 40, i.e., directly on the base of the case 40, so that the high-low voltage switch operation can be more convenient.
Referring to fig. 1 and 2, a transformer 10 is disposed in the transformer chamber, and in this embodiment, the transformer 10 is an open type solid wound core dry-type transformer. The weight of the three-dimensional rolled iron core is lighter than that of the traditional laminated iron core; the air dry, non-encapsulated structure, overall light weight, as exemplified by a 10kV SGB-NX1 open solid wound core dry transformer, is on average about 34% lighter than the SCB-NX1 product and about 37% lighter than the SCB 11. The three-dimensional roll iron core is formed by continuously winding, and has compact integral structure and small volume. In addition, the method has the remarkable advantages of high efficiency, energy conservation, environmental protection, safety and reliability.
Referring to fig. 1 and 2, a high-pressure cabinet 20 is provided in the high-pressure chamber 42. Optionally, the high-voltage cabinet 20 is a fully insulated and fully enclosed CCF high-voltage cabinet 20. The high-voltage cabinet 20 is internally provided with a high-voltage incoming cabinet 21, a high-voltage ring main unit 22 and a high-voltage outgoing cabinet 23. In this embodiment, the high-voltage incoming cabinet 21, the high-voltage ring main unit 22 and the high-voltage outgoing cabinet 23 are arranged and distributed along the direction from the front side to the rear side of the box 40. This is done to match the width of the transformer 10, which is more advantageous in reducing the footprint. In addition, the connection of the high-voltage incoming cabinet 21, the high-voltage ring main unit 22 and the high-voltage outgoing cabinet 23 can refer to a circuit schematic diagram shown in fig. 4.
Referring to fig. 1 and 3, a low voltage cabinet 30 is disposed in the low voltage chamber 43, a metering inlet cabinet 31, a low voltage outlet cabinet 32 and a capacitor cabinet 33 are disposed in the low voltage cabinet 30, and in this embodiment, the low voltage outlet cabinet 32 and the capacitor cabinet 33 are disposed on the back side of the metering inlet cabinet 31. On one hand, the arrangement is to match with the width of the transformer 10, which is more beneficial to reducing the occupied area; on the other hand, the connection between the low voltage outlet cabinet 32 and the capacitor cabinet 33 and the metering inlet cabinet 31 is convenient, and the length of the cable for connection is reduced.
In this embodiment, the box 40 is provided with switch doors on four sides, and the design of the full-open doors can be matched with the structures of the transformer 10, the high-voltage cabinet 20 and the low-voltage cabinet 30 to conveniently operate the transformer 10, the high-voltage cabinet 20 and the low-voltage cabinet 30.
In this embodiment, the transformer 10 is provided with a high-voltage bushing and a low-voltage bushing; the high-voltage cabinet 20 is connected with the high-voltage bushing up and down through the flexible cable, so that the wear rate of the cable in continuous reciprocating movement can be reduced, and the safety is higher; the low-voltage cabinet 30 and the low-voltage sleeve can be connected through a flexible cable, the wiring can penetrate through the low-voltage chamber 43 top partition plate to enter the low-voltage incoming cabinet so as to connect functional modules such as a low-voltage incoming line measuring module 313 in the low-voltage incoming cabinet, space can be saved through the wiring design, and heat dissipation in bus work is facilitated.
Referring to fig. 5, the measurement inlet cabinet 31 has a first inlet cabinet 316 and a second inlet cabinet 317 arranged side by side, the first inlet cabinet 316 has an upper chamber and a lower chamber, the upper chamber is provided with an electricity consumption measurement module 311, and the lower chamber is provided with a low-voltage capacitor module 312. An upper chamber and a lower chamber are also arranged in the second incoming cabinet 317, the upper chamber is provided with a low-voltage incoming line measuring module 313 and a drawer type low-voltage main switch module 314, and the lower chamber is provided with a dry-type transformer temperature control module 315. Each of the above compartments may be provided with a separate door and lock.
In this embodiment, the low-voltage capacitor module 312 is disposed in the measurement inlet cabinet 31, and the low-voltage capacitor module 312 may be connected to the capacitor cabinet 33 through an insulated cable, so as to implement a capacitance compensation function. Specifically, the low voltage capacitor module 312 includes a plurality of low voltage capacitor components arranged corresponding to three phases, and each phase of the low voltage capacitor components may include a first low voltage capacitor component connected in a delta shape and a second low voltage capacitor component connected in a Y shape, as shown in fig. 4. In the embodiment, the low-voltage capacitor module 312 for compensation is arranged in the metering inlet cabinet 31 with redundant space, so that the overall structure of the low-voltage cabinet 30 is more compact, and the space of the low-voltage cabinet 30 is saved.
In this embodiment, the electricity consumption metering module 311 in the metering inlet box 31 may specifically include a low-voltage multifunctional electronic meter, a metering junction box, and a metering lead seal assembly for preventing theft. The low voltage incoming line measurement module 313 may include a metering transformer and an incoming line indicator disposed on the chamber door; the low voltage main switch module 314 may employ a model ACP-2000/3P circuit breaker. Referring to fig. 4, the connection of each module of the metering inlet cabinet 31 can be realized by sequentially connecting a low-voltage inlet wire measuring module 313, a low-voltage main switch module 314 and an electricity consumption metering module 311; the low-voltage incoming line measuring module 313 is connected with a low-voltage bushing of the transformer 10 through a copper bar.
In this embodiment, a dry-type transformer temperature control module 315 is further disposed in the measurement inlet cabinet 31, and the dry-type transformer temperature control module 315 is connected to the transformer 10 through an insulated cable. The temperature control module 315 of the dry-type transformer is arranged in the metering inlet cabinet 31, so that the space volume of the transformer substation is effectively utilized.
Referring to fig. 6, a first isolating switch 321, an outgoing line measuring instrument 322 and an outgoing line switch 323 are arranged in the low-voltage outgoing line cabinet 32, wherein the outgoing line measuring instrument 322 is arranged at the lower part of the low-voltage outgoing line cabinet 32. The traditional low extrusion line cabinet 32 will be generally qualified for the next round of competitions measuring instrument 322 and set up the top at the cabinet, first isolation knife switch 321 with be qualified for the next round of competitions switch 323 and set up in the below of being qualified for the next round of competitions measuring instrument 322, first isolation knife switch 321 with be qualified for the next round of competitions switch 323 and take the wiring copper bar usually, the setting of wiring copper bar needs to satisfy the requirement of national standard to insulation distance, so certain insulation space can be left usually to the lower part of low extrusion line cabinet 32, the utility model discloses to be qualified for the next round of competitions measuring instrument 322 sets up in the original vacant insulation space of low extrusion line cabinet 32 lower part, owing to be qualified for the next round of competitions measuring instrument 322 and adopt the insulated cable wiring, insulated cable itself is insulating, therefore need not leave too long distance, also can not influence the insulating properties of low.
Referring to fig. 6, the capacitor box 33 includes a capacitor box measuring instrument 331, a second isolation blade switch 332, an automatic compensator 333, a fuse 334, and a compensation regulator 335. The compensation regulator 335 is an executing mechanism for switching a low-voltage capacitor assembly, in this embodiment, a plurality of compensation regulators 335 connected to a plurality of low-voltage capacitor assemblies are provided in the capacitor box, the automatic compensator 333 is used to control the compensation regulators 335 to perform switching operations, referring to fig. 4, a plurality of compensation regulators 335 and fuses 334 are provided, each fuse 334 is connected to a corresponding compensation regulator 335 and a capacitor box measuring instrument 331, and the capacitor box measuring instrument 331 is connected to the second isolating switch 332.
Optionally, each low-voltage capacitor assembly in the measurement inlet cabinet 31 is connected to an insulated cable, and each insulated cable passes through the rear wall of the measurement inlet cabinet 31, enters the capacitor cabinet 33, and is connected to the corresponding compensation regulator 335.
Optionally, two compensation mounting plates 336 arranged in parallel and oppositely in front and back are further arranged in the capacitor box 33, the compensation regulators 335 are distributed on the two compensation mounting plates 336, and each compensation mounting plate 336 is hinged inside the capacitor box 33. Referring to fig. 7a and 7b, a first supporting plate 337 and a second supporting plate 338 are respectively disposed on two sides of the interior of the capacitor box 33, the compensation mounting plate 336 is hinged to the first supporting plate 337 through a hinge, the second supporting plate 338 is provided with a bolt hole, and the compensation mounting plate 336 and the second supporting plate 338 can be fixed through a bolt assembly 339. The compensation regulator 335 is installed in a manner that the space inside the capacitor box 33 is fully utilized to save the volume of the capacitor box 33. When the compensation regulator 335 is wired, the compensation mounting plate 336 is opened first, and then the insulated cable connected to the corresponding low-voltage capacitor assembly is connected. Fuses 334 may also be distributed on the two compensating mounting plates 336. It will be appreciated that the number of compensating mounting plates 336 may be more than two, and the number of compensating mounting plates 336 may be three or even more than three.
In this embodiment, the top of the box 40 is provided with a lower top cover 44 and an upper top cover 45, the middle of the lower top cover 44 is provided with a plurality of vent holes, the upper top cover 45 is arranged above the middle of the lower top cover 44 and covers the plurality of vent holes, and an air outlet channel is formed between the lower top cover 44 and the upper top cover 45; the lower roof 44 is provided with a plurality of keels 46 which support the upper roof 45. The heat inside the box 40 rises to the vent hole of the lower top cover 44 to be discharged out through the air outlet channel, and the structure has good heat dissipation effect and can prevent rainwater from entering the box 40. The center of the top of the upper top cover 45 is provided with a hook 47 which is convenient for hoisting the box body 40.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.

Claims (10)

1. The low-voltage cabinet is characterized by comprising a metering inlet cabinet, a low-voltage outlet cabinet and a capacitor cabinet, wherein the low-voltage outlet cabinet and the capacitor cabinet are jointly arranged on the back side of the metering inlet cabinet; the metering inlet cabinet is internally provided with a low-voltage capacitor module, and the low-voltage capacitor module is connected to the capacitor cabinet through an insulated cable.
2. The low-voltage cabinet as claimed in claim 1, wherein: the low-voltage wire outlet cabinet is internally provided with a first isolating knife switch, a wire outlet measuring instrument and a wire outlet switch, wherein the wire outlet measuring instrument is arranged at the lower part of the low-voltage wire outlet cabinet.
3. The low-voltage cabinet as claimed in claim 1, wherein: the low-voltage capacitor module comprises a plurality of low-voltage capacitor assemblies, a plurality of compensation regulators are arranged in the capacitor box and correspondingly connected with the low-voltage capacitor assemblies, at least two compensation mounting plates which are arranged in parallel and oppositely are arranged in the capacitor box, the compensation regulators are distributed on the at least two compensation mounting plates, and each compensation mounting plate is hinged inside the capacitor box.
4. A low-voltage cabinet according to claim 3, wherein: still include electric capacity cabinet measuring instrument, second isolation knife switch, automatic compensator, fuse in the electric capacity cabinet, the fuse is connected the compensation adjustment ware with electric capacity cabinet measuring instrument, electric capacity cabinet measuring instrument connects second isolation knife switch.
5. The low-voltage cabinet as claimed in claim 1, wherein: the metering inlet cabinet is provided with a first cabinet body and a second cabinet body which are arranged side by side left and right, the low-voltage capacitor module is arranged at the lower part of the first cabinet body, and the upper part of the first cabinet body is provided with an electricity consumption metering module; and a low-voltage incoming line measuring module, a drawer-type low-voltage main switch module and a dry-type transformer temperature control module are arranged in the second cabinet body.
6. The utility model provides a miniaturized prepackage type transformer substation which characterized in that: the transformer comprises a box body, wherein a transformer chamber, a high-voltage chamber and a low-voltage chamber are arranged in the box body; the transformer chamber and the low-voltage chamber are arranged up and down, the transformer chamber is arranged above the low-voltage chamber, and the high-voltage chamber is arranged beside the transformer chamber and the low-voltage chamber; a transformer is arranged in the transformer chamber, and the transformer is provided with a high-voltage sleeve and a low-voltage sleeve; a high-voltage cabinet is arranged in the high-voltage chamber and is connected with the high-voltage sleeve through a flexible cable; the low-voltage cabinet as claimed in any one of claims 1 to 5 is arranged in the low-voltage chamber, and the low-voltage cabinet is connected with the low-voltage sleeve through a flexible cable.
7. A miniaturised pre-assembled substation according to claim 6, characterised in that the transformer is an open three-dimensional wound core dry transformer.
8. The small-sized preassembled transformer substation of claim 6, wherein a high-voltage incoming cabinet, a high-voltage ring main unit and a high-voltage outgoing cabinet are arranged in the high-voltage cabinet, and the high-voltage incoming cabinet, the high-voltage ring main unit and the high-voltage outgoing cabinet are distributed in a direction from the front side to the rear side of the box body.
9. A miniaturised pre-assembled substation according to claim 6, characterised in that the box is provided with switch doors on four sides.
10. A miniaturized pre-installed substation according to claim 6, wherein a lower top cover and an upper top cover are arranged on the top of the box body, a plurality of vent holes are formed in the middle of the lower top cover, the upper top cover is arranged above the middle of the lower top cover and covers the vent holes, and an air outlet channel is formed between the lower top cover and the upper top cover; the lower-layer top cover is provided with a plurality of keels for supporting the upper-layer top cover; and a lifting hook is arranged in the center of the top of the upper-layer top cover.
CN201921053866.3U 2019-07-05 2019-07-05 Low-voltage cabinet and miniaturized prefabricated substation Active CN210273152U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921053866.3U CN210273152U (en) 2019-07-05 2019-07-05 Low-voltage cabinet and miniaturized prefabricated substation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921053866.3U CN210273152U (en) 2019-07-05 2019-07-05 Low-voltage cabinet and miniaturized prefabricated substation

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Publication Number Publication Date
CN210273152U true CN210273152U (en) 2020-04-07

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CN201921053866.3U Active CN210273152U (en) 2019-07-05 2019-07-05 Low-voltage cabinet and miniaturized prefabricated substation

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110336194A (en) * 2019-07-05 2019-10-15 海鸿电气有限公司 Low-voltage cabinet and miniaturization preassembled transformer station
CN110336194B (en) * 2019-07-05 2024-07-05 海鸿电气有限公司 Low-voltage cabinet and miniaturized preassembled transformer substation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110336194A (en) * 2019-07-05 2019-10-15 海鸿电气有限公司 Low-voltage cabinet and miniaturization preassembled transformer station
CN110336194B (en) * 2019-07-05 2024-07-05 海鸿电气有限公司 Low-voltage cabinet and miniaturized preassembled transformer substation

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