CN115241744A - 500kV HGIS power distribution unit field combined framework - Google Patents

Abstract

The invention discloses a 500kV HGIS power distribution device site joint structure, comprising: a column; a hanging beam, the hanging beam is fixed on the column, and the suspension beam and the column are provided with a cable-stayed support; 1M busbar and 2M busbar, 1M busbar and 2M busbars are suspended by cable-stayed support; power-off protection module; the first three-phase outlet and the second three-phase outlet; The beneficial effect of the present invention is that the overall structure of the frame is formed by the upright column and the hanging beam, and the busbar and the three-phase outgoing line are suspended by the cable-stayed support, so that various circuit components and lines are arranged in an orderly manner, so that the Effectively reduce the floor space and volume of the frame. The reduction in the volume of the frame will speed up the construction and reduce the cost of the project. The frame can also flexibly adapt to various wiring methods, making the construction of the frame more convenient.

Description

A 500kV HGIS Power Distribution Device Site Joint Framework

technical field

The invention relates to the technical field of erection of a 500kV HGIS power distribution device, in particular to a site joint structure of a 500kV HGIS power distribution device.

Background technique

There are three types of high-voltage power distribution devices. The first is an air-insulated conventional power distribution device, referred to as AIS, the second is a gas-insulated fully enclosed power distribution device with sulfur hexafluoride, referred to as GAS, and the third is HGIS. It is a kind of high-voltage switchgear between AIS and GAS. Its busbar adopts open type, and the others are sulfur hexafluoride gas-insulated switchgear.

Since the erection of a 500kV HGIS power distribution device involves the arrangement of a large number of electrical components and lines, the traditional power distribution structure has the phenomenon of unreasonable space utilization, resulting in a large area of the structure and a chaotic distribution of electrical components and lines. Such phenomena, on the one hand, cause the inconvenience of later maintenance, on the other hand, increase the cost of the project.

When the 500kV HGIS power distribution device is erected, there are many different wiring methods, and the traditional framework cannot adapt to a variety of different wiring methods, resulting in inconvenience in the construction of the installation project.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention provides a 500kV HGIS power distribution device site joint structure, and the present invention is realized by the following technical solutions.

A 500kV HGIS power distribution device site joint structure, including:

Upright columns, the upright columns are symmetrically arranged in two rows in the front and rear, each row of upright columns is evenly arranged with three horizontally, and a diagonally-pulled support column is arranged between each of the upright columns on the front side and the ground, and the bottom of the support column is fixed with the ground to support The top of the column is hinged to the column;

hanging beams, the hanging beams are fixed on the uprights, and the hanging beams and the uprights are provided with inclined-stay supports;

1M busbar and 2M busbar, the 1M busbar and 2M busbar are suspended by cable-stayed support;

a power-off protection module, the power-off protection module is arranged on the ground where the frame is erected;

The first three-phase outgoing line and the second three-phase outgoing line;

The 1M busbar and the 2M busbar are respectively electrically connected with the first three-phase outgoing line and the second three-line outgoing line through the power-off protection module.

Further, the power-off protection modules are evenly provided with three longitudinally, the 1M busbar, the 2M busbar, the first three-phase outgoing line and the second three-phase outgoing line are all provided with three sub-wires, each power-off protection module, 1M busbar. The three sub-lines of the 2M bus, the three sub-lines of the first three-phase outgoing line, and the three sub-lines of the second three-phase outgoing line correspond independently.

Further, an insulator is suspended on the suspending beam, the first three-phase outgoing line includes three sub-lines A, B and C, the second three-phase outgoing line includes three sub-lines A1, B1 and C1, the A sub-line, the B sub-line The sub-line, the A1 sub-line and the B1 sub-line are suspended out of the line through the diagonal support, and the C sub-line and the C1 sub-line are suspended and out of the line by the insulator.

Further, the power failure protection module includes a first side circuit breaker, an intermediate circuit breaker and a second side circuit breaker electrically connected in sequence;

The outer side of the first side circuit breaker is provided with a first busbar bushing, and the 1M busbar is electrically connected to the first side circuit breaker after being penetrated through the first busbar bushing;

A first outlet bushing is arranged between the first side circuit breaker and the middle circuit breaker, and the first three-phase outlet wire is electrically connected to the first side circuit breaker and the middle circuit breaker after being penetrated through the first outlet bushing ;

A second outlet bushing is arranged between the intermediate circuit breaker and the second side circuit breaker, and the second three-phase outgoing wire passes through the second outlet bushing and is electrically connected to the intermediate circuit breaker and the second side circuit breaker. sexual connection;

The outer side of the second side circuit breaker is provided with a second busbar bushing, and the 2M busbar is electrically connected to the second side circuit breaker after being penetrated through the second busbar bushing.

Further, the frame has three wiring modes: forward outlet, side outlet and reverse outlet, and the suspension beam includes a two-layer suspension beam and a three-layer suspension beam.

Further, during the forward outlet, the 1M busbar and the 2M busbar are suspended under the hanging beam on the second floor and are arranged symmetrically on the left and right through the cable-stayed support. The support is suspended above the hanging beam on the second floor, and the first three-phase outgoing line and the second three-phase outgoing line go out from the left and right sides of the frame respectively.

Further, when the lateral outlet is carried out, the 1M busbar and the 2M busbar are suspended below the second-floor suspension beam by the diagonal support and are arranged symmetrically on the left and right, and the first three-phase outlet is suspended on the second-floor suspension by the diagonal support. Above the beam and outgoing from the left side of the frame, the second three-phase outgoing wire is suspended below the three-layer hanging beam through the inclined-stay support and outgoing from the front side of the frame.

Further, during the reverse outlet, the 1M busbar is suspended below the hanging beam on the second floor and is located on the left side of the frame through the cable-stayed support, and the 2M busbar is suspended under the hanging beam on the second floor through the cable-stayed support. Located at the right rear of the frame, the first three-phase outgoing line is suspended from the lower part of the third-floor suspension beam through the cable-stayed support and exits from the right side of the frame, and the second three-phase outlet line is suspended from the second-layer suspension beam through the cable-stayed support. below and exit from the right front of the frame;

The side of the second outlet bushing away from the middle circuit breaker is fixedly connected with an L-shaped branch busbar, the second side circuit breaker is arranged on the branch busbar, and the head of the branch busbar is connected with a second busbar casing.

Further, the top of the column is provided with a lightning rod.

Further, the hanging beam includes main beams arranged at intervals up and down, vertical beams are evenly fixed between the main beams along the length direction thereof, and inclined beams are evenly fixed between the main beams along the length direction, and the The inclined beams and vertical beams are arranged alternately.

The beneficial effect of the present invention is that the overall structure of the frame is formed by the upright column and the hanging beam, the suspension beam and the upright column are arranged as required by the cable-stayed support, and the busbar and the three-phase outgoing line are suspended by the cable-stayed support, so that various Circuit components and lines are arranged in an orderly manner, which can effectively reduce the floor space and volume of the framework. The reduction in the volume of the framework will speed up the construction and reduce the cost of the project. The framework can also be flexibly adapted to various wirings. way, making the construction of the framework more convenient.

Description of drawings

In order to illustrate the technical solutions of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the specific implementation manner. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1: The top view of a 500kV HGIS power distribution device site joint frame of the present invention when the line is forwarded;

Figure 2: The front view of a 500kV HGIS power distribution device site joint frame of the present invention when the line is forwarded;

Figure 3: The top view of a 500kV HGIS power distribution device site joint frame of the present invention when the line is laterally exited;

Figure 4: Front view of a 500kV HGIS power distribution device site joint frame of the present invention when the line is laterally exited;

Figure 5: The top view of a 500kV HGIS power distribution device site joint frame of the present invention when the lines are reversed;

Figure 6: The front view of a 500kV HGIS power distribution device site joint frame of the present invention when the lines are reversed;

Figure 7: The left side view of a 500kV HGIS power distribution device site joint framework of the present invention when the lines are reversed;

Fig. 8: the structural schematic diagram of the hanging beam of the present invention;

Figure 9: Schematic diagram of the structure of the power-off protection module when the forward outlet and the side outlet are used;

Figure 10: Schematic diagram of the structure of the power-off protection module when the cable is reversed.

The reference numbers are as follows:

1-column, 11-support column, 12-lightning rod, 2-hanging beam, 201-main beam, 202-vertical beam, 203-inclined beam, 21-two-story hanging beam, 22-three-story hanging beam, 3-1M Busbar, 4-2M busbar, 5-power failure protection module, 51-first side circuit breaker, 52-intermediate circuit breaker, 53-second side circuit breaker, 54-first busbar bushing, 55-first Outlet bushing, 56-second outlet bushing, 57-second busbar bushing, 58-branch busbar, 6-first three-phase outlet, 7-second three-phase outlet, 8-oblique support, 9- insulator.

Detailed ways

The technical solutions in 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. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in Figure 1-10, a 500kV HGIS power distribution installation site joint structure includes:

Upright column 1, the upright column 1 is symmetrically arranged with two rows in front and back, each row of upright columns 1 is evenly arranged with three horizontally, and a diagonally pulled support column 11 is arranged between each column 1 on the front side and the ground, and the bottom of the support column 11 is fixed with the ground, supporting The top of the column 11 is hinged with the column 1;

Hanging beam 2, the hanging beam 2 is fixed on the upright column 1, and the hanging beam 2 and the upright column 1 are provided with an inclined-stayed support 8;

1M busbars 3 and 2M busbars 4, 1M busbars 3 and 2M busbars 4 are suspended by the diagonal support 8;

Power-off protection module 5, the power-off protection module 5 is arranged on the ground where the frame is erected;

The first three-phase outlet 6 and the second three-phase outlet 7;

The 1M busbar 3 and the 2M busbar 4 are electrically connected to the first three-phase outgoing line 6 and the second three-line outgoing line respectively through the power-off protection module 5 .

Preferably, the power-off protection modules 5 are evenly provided with three longitudinally, and the 1M busbar 3, the 2M busbar 4, the first three-phase outlet wire 6 and the second three-phase outlet wire 7 are provided with three sub-wires correspondingly, and each power-off protection module 5, The three sub-wires of the 1M busbar 3, the three sub-wires of the 2M busbar 4, the three sub-wires of the first three-phase outlet wire 6, and the three sub-wires of the second three-phase outlet wire 7 correspond independently.

Preferably, an insulator 9 is suspended on the hanging beam 2, the first three-phase outlet line 6 includes three sub-wires A, B and C, the second three-phase outlet line 7 includes three sub-wires A1, B1 and C1, A sub-line, B sub-line , A1 sub-line and B1 sub-line are suspended through the diagonal support 8, and the C sub-line and C1 sub-line are suspended through the insulator 9.

Preferably, the power-off protection module 5 includes a first side circuit breaker 51, an intermediate circuit breaker 52 and a second side circuit breaker 53 that are electrically connected in sequence;

The outer side of the first side circuit breaker 51 is provided with a first busbar bushing 54, and the 1M busbar 3 is electrically connected to the first side circuit breaker 51 after passing through the first busbar bushing 54;

A first outlet bushing 55 is provided between the first side circuit breaker 51 and the intermediate circuit breaker 52 , and the first three-phase outgoing line 6 penetrates through the first outlet bushing 55 and is connected to the first side circuit breaker 51 and the intermediate circuit breaker The device 52 is electrically connected;

A second outlet bushing 56 is arranged between the middle circuit breaker 52 and the second side circuit breaker 53, and the second three-phase outlet 7 is penetrated through the second outlet bushing 56 and then disconnected from the middle circuit breaker 52 and the second side circuit breaker. The device 53 is electrically connected;

The outer side of the second side circuit breaker 53 is provided with a second busbar bushing 57 , and the 2M busbar 4 is electrically connected to the second side circuit breaker 53 after passing through the second busbar bushing 57 .

Preferably, the frame has three wiring modes: forward outlet, side outlet and reverse outlet, and the suspension beam 2 includes a second-layer suspension beam 21 and a third-layer suspension beam 22 .

Preferably, when the outgoing line is in the forward direction, the 1M busbar 3 and the 2M busbar 4 are suspended under the hanging beam 21 on the second floor by the diagonal support 8 and are symmetrically arranged left and right, and the first three-phase outgoing line 6 and the second three-phase outgoing line 7 The support 8 is suspended above the hanging beam 21 on the second floor, and the first three-phase outlet 6 and the second three-phase outlet 7 are respectively outlet from the left and right sides of the frame.

Preferably, the 1M busbar 3 and the 2M busbar 4 are suspended below the second-floor hanging beam 21 through the diagonal support 8 and are arranged symmetrically on the left and right, and the first three-phase outgoing line 6 is suspended on the second-floor suspension through the diagonal support 8. Above the beam 21 and exiting from the left side of the frame, the second three-phase outgoing wire 7 is suspended below the three-layer hanging beam 22 through the diagonal brace 8 and exits from the front side of the frame.

Preferably, the 1M busbar 3 is suspended below the hanging beam 21 on the second floor and is located on the left side of the frame through the cable-stayed support 8, and the 2M busbar 4 is suspended under the hanging beam 21 on the second floor through the cable-stayed support 8. Located at the right rear of the frame, the first three-phase outlet line 6 is suspended below the third-floor suspension beam 22 through the cable-stayed support 8 and exits from the right side of the frame, and the second three-phase outlet line 7 is suspended on the second-layer suspension through the cable-stayed support 8. Below the beam 21 and out of the right front of the frame;

An L-shaped branch busbar 58 is fixedly connected to the side of the second outlet bushing 56 away from the intermediate circuit breaker 52 , the second side circuit breaker 53 is arranged on the branch busbar 58 , and the head of the branch busbar 58 is connected with a first Two busbar bushings 57 .

Preferably, a lightning rod 12 is set up on the top of the column 1 .

Preferably, the hanging beam 2 includes main beams 201 arranged at intervals up and down, vertical beams 202 are evenly fixed between the main beams 201 along its length direction, and inclined beams 203 are evenly fixed between the main beams 201 along its length direction, The inclined beams 203 and the vertical beams 202 are arranged alternately.

A specific embodiment of the present invention is:

The overall structure of the frame is formed by the column 1 and the hanging beam 2. The frame is supported by the support column 11, which can improve the support stability of the entire structure. The column 1 is provided with a lightning rod 12, which can avoid damage to electrical components caused by lightning strikes.

The suspension beam 2 includes a second-layer suspension beam 21 and a third-layer suspension beam 22, so that the components form a three-layer structure, and the layered arrangement of circuit elements and lines through the three-layer structure framework can make the layout more reasonable and facilitate subsequent maintenance. , When the circuit components and lines are arranged in layers, the space utilization rate can be effectively improved, thereby reducing the footprint of the framework.

The suspension beam 2 includes a main beam 201 , a vertical beam 202 and an inclined beam 203 , so that the suspension beam 2 forms many triangular partitions. Due to the stability of the triangle, the suspension beam 2 as a whole has high support stability.

During installation, the power failure protection module 5 is arranged on the first layer.

In the forward direction, the first three-phase outlet 6 and the second three-phase outlet 7 are respectively outlet from the left and right sides of the second layer.

In the case of lateral outlet, the first three-phase outlet 6 is outlet from the left side of the second floor, and the second three-phase outlet 7 is outlet from the front side of the third layer.

In the case of reverse outlet, the first three-phase outlet 6 is outlet from the right side of the third floor, and the second three-phase outlet 7 is outlet from the front side of the second layer.

That is, the framework can adapt to various wiring methods, which makes the construction of the project more convenient.

Each line is suspended by the cable-stayed support 8, which can be arranged at the required position on the hanging beam 2 or the column 1, and the cable-stayed support 8 is arranged as required, thereby adapting to various wiring methods.

The above-disclosed preferred embodiments of the present invention are provided only to help illustrate the present invention. The preferred embodiments do not describe all the details and do not limit the invention to specific embodiments only. Obviously, many modifications and variations are possible in light of the content of this specification. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is to be limited only by the claims and their full scope and equivalents.

Claims (10)

1. A500 kV HGIS power distribution device field combined framework is characterized by comprising:

the device comprises upright columns, wherein two rows of upright columns are symmetrically arranged in front and back, three upright columns are uniformly arranged in each row in the transverse direction, a diagonal support column is arranged between each upright column on the front side and the ground, the bottom of each support column is fixed with the ground, and the top of each support column is hinged with the upright column;

the hanging beam is fixedly connected to the upright post, and diagonal tension supports are arranged on the hanging beam and the upright post;

the bus comprises a 1M bus and a 2M bus, wherein the 1M bus and the 2M bus are supported and suspended through inclined pulling;

a power-off protection module disposed on a ground surface of the frame erection location;

a first three-phase outlet wire and a second three-phase outlet wire;

the 1M bus and the 2M bus are electrically connected with the first three-phase outgoing line and the second three-wire outgoing line respectively through the power-off protection module.

2. The combined 500kV HGIS power distribution device field framework of claim 1, wherein the number of the power-off protection modules is three, the 1M bus, the 2M bus, the first three-phase outgoing line and the second three-phase outgoing line are respectively provided with three sub-lines, and each power-off protection module, the three sub-lines of the 1M bus, the three sub-lines of the 2M bus, the three sub-lines of the first three-phase outgoing line and the three sub-lines of the second three-phase outgoing line are respectively and independently corresponding to each other.

3. The 500kV HGIS power distribution device field combined framework as claimed in claim 2, wherein an insulator is suspended on the hanging beam, the first three-phase outgoing line comprises three sub-lines A, B and C, the second three-phase outgoing line comprises three sub-lines A1, B1 and C1, the sub-lines A, B, A1 and B1 are suspended through diagonal bracing, and the sub-lines C and C1 are suspended through the insulator.

4. A 500kV HGIS power distribution equipment yard unification frame as claimed in claim 3, wherein said power-off protection module comprises a first side circuit breaker, an intermediate circuit breaker, and a second side circuit breaker electrically connected in sequence;

a first bus sleeve is arranged on the outer side of the first side circuit breaker, and the 1M bus penetrates through the first bus sleeve and then is electrically connected with the first side circuit breaker;

a first outgoing line sleeve is arranged between the first side circuit breaker and the middle circuit breaker, and the first three-phase outgoing line is electrically connected with the first side circuit breaker and the middle circuit breaker after penetrating through the first outgoing line sleeve;

a second outgoing line sleeve is arranged between the middle circuit breaker and the second side circuit breaker, and the second three-phase outgoing line is electrically connected with the middle circuit breaker and the second side circuit breaker after penetrating through the second outgoing line sleeve;

the outside of second limit circuit breaker is equipped with the second bus-bar bushing, 2M bus-bar penetrates back and second limit circuit breaker electric connection through the second bus-bar bushing.

5. A500 kV HGIS power distribution equipment site combined framework as claimed in claim 4, wherein the framework has three wiring modes of a forward outgoing line, a lateral outgoing line and a reverse outgoing line, and the hanging beams comprise a second layer of hanging beam and a third layer of hanging beam.

6. The combined framework of a 500kV HGIS power distribution device field according to claim 5, wherein when the forward outgoing lines are arranged, the 1M bus and the 2M bus are hung below the second-layer hanging beam through inclined pull supports and are arranged in bilateral symmetry, the first three-phase outgoing lines and the second three-phase outgoing lines are hung above the second-layer hanging beam through inclined pull supports, and the first three-phase outgoing lines and the second three-phase outgoing lines are respectively led out from the left side and the right side of the framework.

7. The combined framework of a 500kV HGIS power distribution device field according to claim 5, wherein when the wires are laterally led out, the 1M bus and the 2M bus are suspended below the second-layer hanging beam through a diagonal pulling support and are symmetrically arranged in the left and right directions, the first three-phase wires are suspended above the second-layer hanging beam through a diagonal pulling support and are led out from the left side of the framework, and the second three-phase wires are suspended below the third-layer hanging beam through a diagonal pulling support and are led out from the front side of the framework.

8. The 500kV HGIS power distribution device site combined framework of claim 5, wherein in the reverse outgoing process, the 1M bus is suspended below the second-layer hanging beam through a diagonal bracing support and is positioned on the left side of the framework, the 2M bus is suspended below the second-layer hanging beam through a diagonal bracing support and is positioned on the right rear side of the framework, the first three-phase outgoing line is suspended below the third-layer hanging beam through a diagonal bracing support and is outgoing from the right side of the framework, and the second three-phase outgoing line is suspended below the second-layer hanging beam through a diagonal bracing support and is outgoing from the right front of the framework;

one side of the second outlet sleeve pipe, which is far away from the middle circuit breaker, is fixedly connected with an L-shaped branch bus tube, the second side circuit breaker is arranged on the branch bus tube, and the head of the branch bus tube is connected with a second bus sleeve pipe.

9. A 500kV HGIS power distribution yard combi frame as claimed in claim 1, wherein a lightning rod is mounted on top of said column.

10. The 500kV HGIS power distribution unit field combined framework as claimed in claim 1, wherein the hanging beams comprise main beams which are arranged at intervals up and down, vertical beams are uniformly and fixedly connected between the main beams along the length direction of the main beams, oblique beams are further uniformly and fixedly connected between the main beams along the length direction of the main beams, and the oblique beams and the vertical beams are arranged at intervals.

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