CN215071318U

CN215071318U - Integrated high-low voltage prefabricated substation

Info

Publication number: CN215071318U
Application number: CN202022826642.0U
Authority: CN
Inventors: 王文举; 边金忠
Original assignee: Hebei Tuopu Electricity Co ltd
Current assignee: Hebei Tuopu Electric Co.,Ltd.
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-12-07
Anticipated expiration: 2030-12-01

Abstract

The utility model discloses an integral type high-low pressure prepackage type transformer substation, including the gaseous looped netowrk cabinet of SF6, the inside of the gaseous looped netowrk cabinet of SF6 is provided with S13 energy-saving transformer, the front end surface of the gaseous looped netowrk cabinet of SF6 is provided with GFB2 low-voltage switchgear, the surface all around of the gaseous looped netowrk cabinet of SF6 is provided with the case and becomes the shell. Integral type high-low pressure prepackage type transformer substation, compact structure, small, area is few, standardization, can set up at the intensive load center of building group, shorten construction cycle, the investment and construction expense that significantly reduces, save material, simple to operate, the improvement production efficiency, multiple functional, reliable, can cut off short circuit and load current, can carry out the current protection of full scope, the arrangement of adjustment heat abstractor, the radiating effect of reinforcing box-type transformer substation, equipment life and the working property that avoid the high temperature to arouse descend, this equipment is simple structure not only, moreover, and convenient for operation, bring better use prospect.

Description

Integrated high-low voltage prefabricated substation

Technical Field

The utility model relates to an integral type high-low pressure prepackage type transformer substation field, in particular to integral type high-low pressure prepackage type transformer substation.

Background

In order to transmit electric energy generated by a power plant to a remote place, the voltage of a transformer substation needs to be increased to be high-voltage, the voltage is reduced as required near a user, and the voltage increasing and reducing work is completed by the transformer substation. The main equipment of the transformer substation is a switch and a transformer, the transformer substation is called as a small transformer substation according to different sizes of scales, the transformer substation is larger than the transformer substation, but along with the development of the society, the existing transformer substation is not compact in structure, large in size, large in occupied area, unsatisfactory in heat dissipation arrangement, the heat dissipation efficiency of the transformer substation is reduced, the service life of the equipment is prolonged, and the equipment performance of the equipment is reduced, so that an integrated high-low voltage prefabricated transformer substation is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides integral type high-low pressure prepackage type transformer substation, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

integral type high-low pressure prepackage type transformer substation, including the gaseous looped netowrk cabinet of SF6, the inside of the gaseous looped netowrk cabinet of SF6 is provided with the energy-conserving transformer of S13, the front end surface of the gaseous looped netowrk cabinet of SF6 is provided with GFB2 low-voltage switchgear, the surface all around of the gaseous looped netowrk cabinet of SF6 is provided with the case and becomes the shell.

Preferably, a fixing bolt is arranged between the SF6 gas ring main unit and the S13 energy-saving transformer, and the interior of the SF6 gas ring main unit is detachably connected with the outer surface of the lower end of the S13 energy-saving transformer through the fixing bolt.

Preferably, a hinge is arranged between the SF6 gas ring main unit and the GFB2 low-voltage switch cabinet, and the outer surface of the front end of the SF6 gas ring main unit is movably connected with the outer surfaces of two sides of the GFB2 low-voltage switch cabinet through the hinge.

Preferably, be provided with the hex bolts between SF6 gas ring main unit and the case becomes the shell, SF6 gas ring main unit's surface all around can be dismantled with the internal surface all around of case becomes the shell and is connected through the hex bolts.

Compared with the prior art, the utility model discloses following beneficial effect has: through the arrangement of the SF6 gas ring main unit and the S13 energy-saving transformer, the gas ring main unit is divided into four functional compartments, namely a high-voltage chamber, a transformer chamber, a low-voltage chamber and an automation chamber, all the compartments are complete in function, reasonable in structure and reliable in component performance, the high-voltage SF6 gas ring main unit adopts a two-section independent operation mode, 2-in 2-out 2-transformer outgoing lines are adopted, the transformer adopts fuse protection, direct current 48V electric operation is adopted, an operation power supply is taken from a DTU, a current transformer and a zero sequence current transformer are arranged on the incoming and outgoing lines, the system monitoring is realized through the DTU, the S13 energy-saving transformer low-loss oil-immersed type wound iron core transformer is provided with a track, so that the S13 energy-saving transformer can enter and exit from two sides of a gate of the transformer chamber, a guardrail and a warning sign are arranged in the transformer chamber, the GFB2 low-voltage switch cabinet is used for positioning a high end, the GFB2 low-voltage switch cabinet is designed in a modularized mode, and all the cabinet bodies can be exchanged, a draw-out type plastic shell circuit breaker is used, a panel rotating handle operation mode is adopted, a multifunctional digital display instrument is configured, low-voltage remote signaling and remote measuring data are collected, three remote functions of equipment are realized through a DTU, a low-voltage equipment bus-bar cabinet is connected, the automatic switching and loop closing operation functions of 2 incoming lines are realized through a spare automatic switching device PLC, through the arranged box transformer substation shell 4, the box transformer substation shell 4 can be made of a stainless steel plate and an aluminum-coated zinc plate, through anticorrosion treatment, rainwater and small animals can be prevented from entering, long-term outdoor use conditions are achieved, the anticorrosion, waterproof and dustproof performances are ensured, the service life is long, the appearance is attractive, in addition, in order to meet the requirements of high-temperature areas, a temperature and humidity control system and a heater can be arranged in a preassembled transformer substation, a box door lock adopts a special user external lock, the anti-theft function is realized, a key can be made into a universal door lock or a special door lock can be configured according to the requirements of users, the device has compact structure, small volume, small occupied area and standardization, can be arranged in a load center with dense building groups, shortens the construction period and greatly reduces the investment and construction cost; the arrangement of the adjusting heat dissipation device strengthens the heat dissipation effect of the box-type substation, the service life and the running performance of equipment caused by high temperature are reduced, the functions are complete, the reliability is high, short circuit and load current can be cut off, the current protection in the full range can be carried out, high voltage looped networks, terminals, various power supply modes with high voltage measurement and the like can be selected, all functions of the traditional civil engineering substation are realized, the investment is less, the occupied area is less, the installation is convenient, the effect is fast, and the safety is good: the integrated prefabricated substation can be used in places with strict requirements on power supplies, such as high-end houses, commercial users, airports, commercial centers and the like, has stable product performance and complete functions, can monitor the whole service life of the box transformer through automatic equipment, improves the reliability of the equipment, realizes the modularized production of the box transformer, and is universal for all transformer elements with large and small capacities, production efficiency is improved, user maintenance cost is saved, the whole integrated high-low voltage prefabricated substation is simple in structure and convenient to operate, and the using effect is better than that of the traditional mode.

Drawings

Fig. 1 is the utility model discloses the overall structure of integral type high-low pressure prepackage type transformer substation schematic diagram.

In the figure: 1. SF6 gas ring main unit; 2. s13 energy-saving transformer; 3. GFB2 low voltage switchgear; 4. case becomes shell.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the integrated high-low voltage prefabricated substation comprises an SF6 gas ring main unit 1, an S13 energy-saving transformer 2 is arranged inside the SF6 gas ring main unit 1, a GFB2 low-voltage switch cabinet 3 is arranged on the outer surface of the front end of the SF6 gas ring main unit 1, and a box-type substation outer shell 4 is arranged on the outer surface of the periphery of the SF6 gas ring main unit 1.

Further, a fixing bolt is arranged between the SF6 gas ring main unit 1 and the S13 energy-saving transformer 2, the interior of the SF6 gas ring main unit 1 is detachably connected with the outer surface of the lower end of the S13 energy-saving transformer 2 through the fixing bolt, the SF6 gas ring main unit 1 and the S13 energy-saving transformer 2 are arranged, the gas ring main unit 1 is divided into four functional compartments, namely a high-pressure chamber, a transformer chamber, a low-pressure chamber and an automation chamber, all the chambers are complete in function and reasonable in structure, the element performance is reliable, the high-pressure SF6 gas ring main unit 1 adopts a two-section independent operation mode, a 2-in 2-out 2 transformer is led out, the transformer adopts fuse protection, direct current 48V electric operation, an operation power supply is taken from a DTU, a current transformer and a zero sequence current transformer are arranged on the inlet and outlet, the system monitoring is realized through the DTU, the S13 energy-saving transformer 2 is provided with a low-loss oil-immersed type coiled iron core transformer and a transformer chamber track, so that the S13 energy-saving transformer 2 can enter and exit from the two sides of the gate of the transformer room, and the transformer room is provided with guardrails and warning signs.

Further, a hinge is arranged between the SF6 gas ring main unit 1 and the GFB2 low-voltage switch cabinet 3, the outer surface of the front end of the SF6 gas ring main unit 1 is movably connected with the outer surfaces of two sides of the GFB2 low-voltage switch cabinet 3 through the hinge, the GFB2 low-voltage switch cabinet 3 is positioned at a high end through the arranged GFB2 low-voltage switch cabinet 3, the modular design is achieved, all cabinet bodies can be interchanged, a draw-out type molded case circuit breaker is used, a panel rotating handle operation mode is adopted, a multifunctional instrument is configured, low-voltage remote signaling and remote measuring data are collected, the three remote functions of equipment are achieved through a DTU, the low-voltage equipment bus connection cabinet is used, and the automatic switching, automatic switching and loop closing operation functions of 2 incoming lines are achieved through a standby automatic switching device PLC.

Furthermore, hexagon bolts are arranged between the SF6 gas ring main unit 1 and the box transformer substation shell 4, the peripheral outer surface of the SF6 gas ring main unit 1 is detachably connected with the peripheral inner surface of the box transformer substation shell 4 through the hexagon bolts, the box transformer substation shell 4 is made of a stainless steel plate and an aluminum-coated zinc plate and can be prevented from rainwater and small animals by anticorrosion treatment, the box transformer substation shell has the condition of long-term outdoor use and can ensure anticorrosion, waterproof and dustproof performances, the service life is long, the appearance is attractive, and in order to meet the requirement of a high-temperature area, a temperature and humidity control system and a heater can be arranged in a preassembled transformer substation, a box door lock adopts a special user outer lock, the box door lock has an antitheft function, and a key can be made into a universal door lock or a special door lock can be prepared according to the requirement of the user.

It should be noted that, before using, the integrated high-low voltage prefabricated substation of the present invention, through the SF6 gas ring main unit 1 and the S13 energy-saving transformer 2, the gas ring main unit 1 is divided into four functional compartments, namely, a high-voltage compartment, a transformer compartment, a low-voltage compartment and an automation compartment, each compartment has complete functions, reasonable structure and reliable element performance, the high-voltage SF6 gas ring main unit 1 adopts two sections of independent operation modes, 2 in and 2 out of a transformer outlet, the transformer adopts fuse protection, direct current 48V electric operation, an operation power source is taken from a DTU, the inlet and outlet wires are provided with a current transformer and a zero sequence current transformer, system monitoring is realized through the DTU, the S13 energy-saving transformer 2 is a low-loss oil-immersed type wound core transformer, the transformer compartment is provided with a rail, so that the S13 energy-saving transformer 2 can enter and exit from two sides of a gate of the transformer compartment, a guardrail and a warning sign are arranged in the transformer compartment, the low-voltage switch cabinet 3 is positioned at a high end by the arranged GFB2 low-voltage switch cabinet 3 and the GFB2 low-voltage switch cabinet 3, the modular design is adopted, all cabinet bodies can be interchanged, a draw-out type molded case circuit breaker is used, a panel rotating handle operation mode is adopted, a multifunctional digital display instrument is configured, low-voltage remote signaling and remote measuring data are collected, three remote functions of equipment are realized by a DTU, a low-voltage equipment bus-bar cabinet realizes the automatic switching, automatic recovery and loop closing operation functions of 2 incoming lines by a PLC (programmable logic controller), the box transformer housing 4 is manufactured by a stainless steel plate and an aluminum-zinc-coated plate and is subjected to corrosion prevention treatment, rainwater and small animals can be prevented from entering the low-voltage equipment, the low-voltage equipment bus-bar cabinet has the conditions of long-term outdoor use, the corrosion prevention, the waterproof and dustproof performances are ensured, the service life is long, the appearance is attractive, in addition, in order to adapt to the requirements of high-temperature areas, a temperature and humidity control system and a heater can be arranged in a preassembled transformer substation, a special user external lock is adopted, the anti-theft device has an anti-theft function, the key can be made into a universal door lock or a special door lock can be prepared according to the requirements of users, the device has compact structure, small volume, small occupied area and standardization, can be arranged in a load center with dense building groups, shortens the construction period and greatly reduces the investment and construction cost; the arrangement of the adjusting heat dissipation device strengthens the heat dissipation effect of the box-type substation, the service life and the running performance of equipment caused by high temperature are reduced, the functions are complete, the reliability is high, short circuit and load current can be cut off, the current protection in the full range can be carried out, high voltage looped networks, terminals, various power supply modes with high voltage measurement and the like can be selected, all functions of the traditional civil engineering substation are realized, the investment is less, the occupied area is less, the installation is convenient, the effect is fast, and the safety is good: the integrated prefabricated substation can be used in places with strict requirements on power supplies, such as high-end houses, commercial users, airports, commercial centers and the like, has stable product performance and complete functions, can monitor the whole service life of the box transformer through automatic equipment, improves the reliability of the equipment, realizes the modularized production of the box transformer, and is universal for all transformer elements with large and small capacities, the production efficiency is improved, the maintenance cost of a user is saved, and the method is practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Integral type high-low pressure prepackage type transformer substation, including SF6 gaseous looped netowrk cabinet (1), its characterized in that: the inside of SF6 gaseous looped netowrk cabinet (1) is provided with S13 energy-conserving transformer (2), the front end surface of SF6 gaseous looped netowrk cabinet (1) is provided with GFB2 low-voltage switchgear (3), the surface all around of SF6 gaseous looped netowrk cabinet (1) is provided with case and becomes shell (4).

2. The integrated high-low voltage prefabricated substation according to claim 1, characterized in that: be provided with fixing bolt between gaseous looped netowrk cabinet of SF6 (1) and the energy-conserving transformer of S13 (2), the inside of the gaseous looped netowrk cabinet of SF6 (1) is passed through fixing bolt and is dismantled with the lower extreme surface of the energy-conserving transformer of S13 (2) and be connected.

3. The integrated high-low voltage prefabricated substation according to claim 1, characterized in that: a hinge is arranged between the SF6 gas ring main unit (1) and the GFB2 low-voltage switch cabinet (3), and the outer surface of the front end of the SF6 gas ring main unit (1) is movably connected with the outer surfaces of two sides of the GFB2 low-voltage switch cabinet (3) through the hinge.

4. The integrated high-low voltage prefabricated substation according to claim 1, characterized in that: be provided with the hex bolts between gaseous looped netowrk cabinet of SF6 (1) and case become shell (4), the surface all around of the gaseous looped netowrk cabinet of SF6 (1) passes through the hex bolts and becomes the internal surface in the periphery of shell (4) and can dismantle the connection.