CN218005679U - European box transformer substation of high-capacity dry-type transformer - Google Patents

Abstract

The utility model relates to a large capacity dry-type transformer european style case becomes adopts mesh font structure to arrange, and the hyperbaric chamber disposes vacuum circuit breaker in the left side, and the low-voltage chamber can dispose the low-voltage cabinet type of multiple structure on the right side, and the transformer is arranged at the middle part, and the transformer adopts dry-type transformer, and is safe pollution-free, and the thermal stability is good, and energy-conserving effect is more obvious. Because the case becomes the capacity great, the transformer volume increase, and the body height is higher, and high-low pressure room height can not reach transformer room height far away, can arrange high-low pressure room height according to conventional height, and transformer room height exceeds high-low pressure room, forms the structure pattern that high, both ends are low in the middle of in appearance, has practiced thrift the cost of manufacture of high-low pressure room box. The transformer chamber is provided with forced ventilation and heat dissipation, and heat dissipation equipment can be directly arranged on the wall part of the high-low pressure chamber, so that the overall width size of the box transformer is reduced, and the transportation cost is reduced.

Description

European box transformer substation of high-capacity dry-type transformer

Technical Field

The utility model relates to a case becomes the field, in particular to european style case of large capacity dry-type transformer becomes.

Background

Along with the development of new energy industry, the capacity of a box-type substation is gradually increased, the requirements on the environment and the geographic position of the constructed substation are stricter, the adaptability to the quality and the environment of the box-type substation is gradually improved, and along with the increase of market competitiveness, the manufacturing cost and the transportation cost of a product need to be greatly reduced, so that more market share can be obtained.

Although the utility model discloses the case becomes the development demand of adaptable new forms of energy trade, nevertheless also has following shortcoming: the box transformer has larger capacity, the volume of the transformer is increased, the height of the body is higher, and the height of the high-low voltage chamber can not reach the height of the transformer chamber, so that the transportation cost is increased; the high temperature can influence the normal operation of the transformer for a long time.

Disclosure of Invention

In order to solve the technical problem, the utility model relates to a large capacity dry-type transformer european style case becomes, its technical scheme is:

the transformer chamber is positioned in the middle of a box transformer, comprises a dry type transformer and is transversely arranged; the high-voltage chamber is positioned on the left side of the box transformer substation, and a 35kv combined type vacuum circuit breaker, a high-voltage current transformer, a high-voltage arrester and an electrified display are arranged in the high-voltage chamber; the low-voltage chamber is positioned on the right side of the box transformer substation, a low-voltage cabinet unit is arranged in the low-voltage chamber, a low-voltage frame circuit breaker, a surge, a UPS power supply and an auxiliary transformer are arranged in the low-voltage cabinet, the auxiliary transformer is used for meeting the power supply requirement of secondary elements in the box transformer substation, and the UPS power supply supplies power to box transformer substation components in the power failure state of the box transformer substation;

the transformer chamber is higher than the high-voltage chamber and the low-voltage chamber, is higher than the high-voltage chamber, and is provided with air outlet fans respectively along two sides of a wall body in the length direction of the box transformer, a rain cover is arranged, and a plurality of air outlet fans are arranged at the top in the transformer chamber.

Further, the high-voltage side and the high-voltage side of the transformer are connected through cables, and the low-voltage side and the low-voltage frame circuit breaker are connected through copper bars.

Furthermore, the high-voltage chamber comprises a high-voltage vacuum circuit breaker, a high-voltage current transformer and a high-voltage arrester which are connected with each other through a copper bus, and a high-voltage terminal of the dry-type transformer is connected to the high-voltage current transformer through a partition wall through-wall sleeve.

Furthermore, a plurality of air inlet shutters are arranged on the transformer chamber box body.

Further, the manhole is located in the overhaul room.

The utility model has the advantages that: the utility model relates to a large capacity dry-type transformer european style case becomes adopts mesh font structural arrangement, and the hyperbaric chamber disposes high voltage circuit breaker in the left side, and the low-voltage chamber can dispose the low-voltage cabinet type of multiple structure on the right side, and the transformer is arranged at the middle part, and the transformer adopts dry-type transformer, and is safe pollution-free, and the thermal stability is good, and energy-conserving effect is more obvious. Because the case becomes the capacity great, the transformer volume increase, and the body height is higher, and high-low pressure room height can not reach transformer room height far away, can arrange high-low pressure room height according to conventional height, and transformer room height exceeds high-low pressure room, forms the structure pattern that high, both ends are low in the middle of in the outward appearance, has practiced thrift the cost of manufacture of high-low pressure room box. The forced ventilation and heat dissipation are arranged in the transformer chamber, heat dissipation equipment can be directly arranged on the wall part of the high-pressure chamber and the low-pressure chamber, the overall width size of the box transformer is reduced, and the transportation cost is reduced.

Drawings

FIG. 1 is a top sectional view of the present invention;

FIG. 2 is a side view of FIG. 1;

as shown in the figure, 1 high-voltage chamber, 2 transformer rooms, 3 dry-type transformers, 4 manhole shafts, 5 low-voltage chambers, 6 low-voltage cabinets, 7UPS power supplies, 8 auxiliary dry-type transformers, 9 high-voltage vacuum circuit breakers, 10 high-voltage insulators, 11 rain-proof covers, 12 air outlet fans, 13 air inlet shutters, 14 high-voltage chamber doors.

Detailed Description

As shown in the figure, the utility model relates to an european style case of large capacity dry-type transformer becomes, this embodiment adopts the case to become capacity and reaches 6MW and above, and box-type substation adopts mesh font structure to arrange, including hyperbaric chamber 1, transformer room 2 and low-voltage chamber 5, the transformer room is arranged and is become the middle part at the case, and there is a dry-type transformer 3 in, transverse arrangement, when dry-type transformer safety is pollution-free, also satisfies the characteristics that market capacity required gradual increase, and thermal stability is good, the low-loss, the low noise, energy-conserving effect is more obvious, and the reliability is high. The high-voltage chamber is arranged on the left side of the transformer chamber, and the low-voltage chamber is arranged on the right side of the transformer chamber.

The high-voltage chamber is provided with a 35kv combined type vacuum circuit breaker, a high-voltage current transformer, a high-voltage arrester, a live display and the like, high-voltage indoor equipment comprises a high-voltage vacuum circuit breaker 9 (a combined type vacuum circuit breaker is adopted, a belt isolation and grounding switch and a non-high-voltage cabinet), the high-voltage current transformer and the high-voltage arrester are connected with each other through a copper bus, the high-voltage arrester is connected with the output end of the high-voltage vacuum circuit breaker, the high-voltage current transformer is connected with the input end of the high-voltage vacuum circuit breaker, the output end and the input end of the high-voltage vacuum circuit breaker are respectively connected with the lower wiring end and the upper wiring end of a high-voltage insulator 10, and a high-voltage terminal of a dry type transformer is connected to the high-voltage current transformer through a partition wall-penetrating sleeve. The live display is connected with the sensor and is used for monitoring the live state of the high-voltage cable in real time.

The low-voltage chamber can be internally provided with a low-voltage cabinet type with various structures, the low-voltage chamber is internally provided with a low-voltage cabinet 6, a low-voltage frame breaker, a surge manhole 4, a UPS (uninterrupted power supply) 7 and an auxiliary trunk transformer 8, the manhole is arranged behind the low-voltage cabinet, the UPS and the auxiliary trunk transformer are respectively arranged in front of the low-voltage cabinet, the auxiliary transformer is used for meeting the power supply requirement of secondary elements in the box transformer, and the UPS can supply power to box transformer components within a certain time in the power failure state of the box transformer.

The transformer room highly is higher than high-pressure chamber and low-pressure chamber, exceeds the part, becomes length direction's wall body both sides along the case and installs the air-out fan respectively to rain-proof cover 11 is installed, and rain-proof cover has reduced case change width size on the top cap upper portion of high low-pressure chamber, has reduced the product cost of transportation. Three air outlet fans 12 are installed at the top in the transformer room. And a plurality of air inlet shutters 13 are arranged on the transformer chamber box body. The high-voltage side and the high-voltage chamber of the dry-type transformer are connected by copper bars, and the low-voltage side is connected with the low-voltage frame circuit breaker by copper bars. The height of the high-low pressure chamber is arranged according to the conventional height, the height of the transformer chamber is higher than that of the high-low pressure chamber, the arrangement mode of a structure in a shape like a Chinese character 'mu' with a high middle part and low two ends is adopted, and the manufacturing cost of the high-low pressure chamber box body is saved. In addition, the fans are arranged on two sides of the wall body in the length direction of the box transformer substation higher than the high-low pressure chamber, and the rain cover is arranged on the upper part of the top cover of the high-low pressure chamber, so that the width size of the box transformer substation is reduced, and the product transportation cost is reduced; the transformer chamber needs forced ventilation and heat dissipation, and heat dissipation equipment can be directly arranged on the wall part of the high-low pressure chamber, so that a more reasonable ventilation and heat dissipation mode is provided to a certain extent. The whole width dimension of case becomes has been reduced, has reduced the cost of transportation.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the description, and must be determined according to the scope of the claims.

Claims (5)

1. A high-capacity dry-type transformer European style box transformer comprises a high-voltage chamber, a transformer chamber and a low-voltage chamber, and is characterized in that the high-voltage chamber, the transformer chamber and the low-voltage chamber are arranged in a mesh-shaped structure, and a main transformer adopts a dry-type transformer, is arranged in the middle of the mesh-shaped structure and is transversely arranged; the high-voltage chamber is positioned on the left side of the box transformer substation, and is provided with a 35kv combined type vacuum circuit breaker, a high-voltage current transformer, a high-voltage arrester and an electrified display; the low-voltage chamber is positioned on the right side of the box transformer substation, a low-voltage cabinet unit is arranged in the low-voltage chamber, and a low-voltage frame breaker, a surge, a UPS power supply and an auxiliary transformer are arranged in the low-voltage cabinet; the auxiliary transformer is used for meeting the power supply requirement of secondary elements in the box transformer substation, and the UPS supplies power to the box transformer substation components in the power failure state of the box transformer substation;

the transformer chamber is higher than the high-voltage chamber and the low-voltage chamber, is higher than the high part, and is provided with air outlet fans respectively along two sides of the wall body in the length direction of the box transformer substation, a rainproof cover is arranged, and a plurality of air outlet fans are arranged at the top in the transformer chamber.

2. A high capacity dry transformer European box transformer according to claim 1, characterized in that the high voltage side to the high voltage side of the transformer is connected by cable and the low voltage side to the low voltage frame breaker is connected by copper bar.

3. A high capacity dry transformer European-style box transformer according to claim 1, characterized in that the high voltage chamber comprises a high voltage vacuum circuit breaker, a high voltage current transformer and a high voltage arrester, and are connected with each other by a copper bus bar, and the high voltage terminal of the dry transformer is connected to the high voltage current transformer by a partition wall bushing.

4. A large capacity dry type transformer European box transformer according to claim 1, characterized in that the transformer room box is provided with a plurality of air intake shutters.

5. A high capacity dry transformer euro-box transformer according to claim 1, wherein the man-in-the-well is located in the service room.

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