CN218216123U

CN218216123U - 500kV HGIS power distribution device outlet arrangement structure

Info

Publication number: CN218216123U
Application number: CN202222200213.1U
Authority: CN
Inventors: 杨帆; 彭爽; 王磊
Original assignee: Wuhan United Power Design&engineering Co ltd
Current assignee: Wuhan United Power Design&engineering Co ltd
Priority date: 2022-08-21
Filing date: 2022-08-21
Publication date: 2023-01-03
Anticipated expiration: 2032-08-21

Abstract

The utility model discloses a 500kV HGIS power distribution unit outlet arrangement structure, including the circuit breaker subassembly, the circuit breaker subassembly includes electrically connected first limit circuit breaker, middle circuit breaker and second limit circuit breaker in proper order, 1M generating line, 1M is equipped with three, three 1M respectively with corresponding first limit circuit breaker electric connection; the 2M bus is provided with three buses, and the three buses are respectively electrically connected with the corresponding second-side circuit breakers; the three sub-lines in the first three-phase outgoing line are respectively electrically connected with the corresponding first side breaker and the middle-break breaker; the second three-phase is qualified for the next round of competitions, and the second three-phase is qualified for the next round of competitions three sub-lines in respectively with the second limit circuit breaker and the middle-break circuit breaker electric connection that correspond, the beneficial effects of the utility model are that, the utility model discloses a high of being qualified for the next round of competitions of first three-phase is striden reverse being qualified for the next round of competitions, and the low side of striding of being qualified for the next round of competitions of second three-phase is qualified for the next round of competitions, can need not to set up empty cluster when realizing reverse being qualified for the next round of competitions, reduces engineering cost and whole distribution facility's space.

Description

500kV HGIS power distribution device outlet arrangement structure

Technical Field

The utility model relates to a HGIS distribution device wiring technical field, concretely relates to 500 kV's HGIS distribution device arrangement structure of being qualified for next round of competitions.

Background

The high-voltage power distribution device has three types, namely a first air-insulated conventional power distribution device, namely AIS for short, a second sulfur hexafluoride GAS-insulated totally-enclosed power distribution device, namely GAS for short, and a third HGIS, which is a high-voltage switch device between AIS and GAS, wherein a bus of the high-voltage switch device is in an open type, and the other high-voltage switch devices are sulfur hexafluoride GAS-insulated switch devices.

In the prior art, for a 500kV power distribution device, the outgoing mode comprises a forward outgoing mode and a lateral outgoing mode.

The forward outgoing lines are shown in fig. 1, and the outgoing line 1 and the outgoing line 2 are respectively from the right side and the left side of the second layer;

the lateral outgoing lines are shown in fig. 2, the outgoing line 1 is outgoing from the second layer on the right side, and the outgoing line 2 is outgoing from the third layer in front.

Because the distribution area is arranged compactly, reverse outgoing is difficult to realize, namely the outgoing line 1 cannot be outgoing from the right side, if the reverse outgoing is to be realized, an empty string (transition string) is specially added, and the mode not only increases the space position occupying a string interval, but also increases the engineering investment.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a 500 kV's HGIS distribution device arrangement structure of being qualified for the next round of competitions, the utility model discloses a realize through following technical scheme.

A500 kV HGIS power distribution device outgoing line arrangement structure comprises a circuit breaker assembly, wherein the circuit breaker assembly comprises a first side circuit breaker, a middle circuit breaker and a second side circuit breaker which are electrically connected in sequence, one side of the first side circuit breaker is connected with a first bus sleeve, a first outgoing line sleeve is arranged between the first side circuit breaker and the middle circuit breaker and connected with the middle circuit breaker, one side, away from the first side circuit breaker, of the middle circuit breaker is provided with a second outgoing line sleeve, one side, away from the middle circuit breaker, of the second outgoing line sleeve is fixedly connected with an L-shaped branch bus tube, the second side circuit breaker is arranged on the branch bus tube, the head of the branch bus tube is connected with a second bus sleeve, and three groups of the circuit breaker assembly are arranged side by side;

the three 1M buses are respectively penetrated through a first bus sleeve and electrically connected with a corresponding first side breaker;

the three 2M buses penetrate through the second bus sleeve and the branch bus cylinder respectively and are electrically connected with the corresponding second side circuit breaker;

the first three-phase outgoing line comprises A, B and three C sub-lines, and the three sub-lines in the first three-phase outgoing line penetrate through the first outgoing line sleeve and are electrically connected with the corresponding first side breaker and the middle-break breaker respectively;

and the second three-phase outgoing line comprises three sub-lines A1, B1 and C1, and the three sub-lines in the second three-phase outgoing line penetrate through the second outgoing line sleeve and are electrically connected with the corresponding second side breaker and the middle circuit breaker respectively.

Further, still include the steel framework, the circuit breaker subassembly sets up in the bottom of steel framework side by side, first three-phase is qualified for the next round of competitions by the left side of steel framework, the second three-phase is qualified for the next round of competitions by the front side of steel framework and is qualified for the next round of competitions.

Further, the C sub-line and the C1 sub-line are led out through the insulator.

Further, the steel framework is equipped with the three-layer, the circuit breaker subassembly is arranged in the first layer of steel framework, 1M generating line hangs on the second floor of steel framework and is located the right side of steel framework, 2M generating line hangs on the second floor of steel framework and is located the left rear of steel framework, first three-phase is qualified for the next round of competitions by the third layer of steel framework, the second three-phase is qualified for the next round of competitions by the second floor of steel framework.

Further, the insulator is of a suspension type.

The beneficial effects of the utility model are that, the utility model discloses can realize that the high of first three-phase being qualified for the next round of competitions strides reverse being qualified for the next round of competitions, the low side of striding of second three-phase being qualified for the next round of competitions is qualified for the next round of competitions, can need not to set up empty cluster when realizing reverse being qualified for the next round of competitions, reduces the space of engineering cost and whole distribution facility.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some examples of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1: schematic diagram of forward outgoing line in the prior art;

FIG. 2: schematic diagram of lateral outgoing line in the prior art;

FIG. 3: the utility model relates to a 500kV HGIS distribution device outlet arrangement structure's axle survey shows the intention;

FIG. 4 is a schematic view of: the utility model discloses a schematic structure diagram of a circuit breaker assembly;

FIG. 5 is a schematic view of: the utility model relates to a 500kV HGIS distribution device outlet arrangement structure's plan view;

FIG. 6: the utility model discloses a 500kV HGIS distribution device outlet arrangement structure's main view;

FIG. 7: 500 kV's HGIS distribution device outlet arrangement structure's side view.

The reference numbers are as follows:

1-a circuit breaker assembly, 11-a first side circuit breaker, 12-a middle circuit breaker, 13-a second side circuit breaker, 14-a first bus sleeve, 15-a first outlet sleeve, 16-a second outlet sleeve, 17-a branch bus tube, 18-a second bus sleeve, 2-1M bus, 3-2M bus, 4-a first three-phase outlet, 5-a second three-phase outlet, 6-a steel framework and 7-an insulator.

Detailed Description

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-7, a 500kV HGIS power distribution device outgoing line arrangement structure includes a circuit breaker assembly 1, the circuit breaker assembly 1 includes a first side circuit breaker 11, an intermediate circuit breaker 12 and a second side circuit breaker 13 which are electrically connected in sequence, one side of the first side circuit breaker 11 is connected with a first bus bushing 14, a first outgoing bushing 15 is arranged between the first side circuit breaker 11 and the intermediate circuit breaker 12 for connection, one side of the intermediate circuit breaker 12 far from the first side circuit breaker 11 is provided with a second outgoing bushing 16, one side of the second outgoing bushing 16 far from the intermediate circuit breaker 12 is fixedly connected with an L-shaped branch bus barrel 17, the second side circuit breaker 13 is arranged on the branch bus barrel 17, the head of the branch bus barrel 17 is connected with a second bus bushing 18, and the circuit breaker assembly 1 is arranged with three groups side by side;

three 1M buses 2,1M are provided, and the three 1M buses 2 penetrate through the first bus sleeve 14 and are electrically connected with the corresponding first side breaker 11;

the 2M bus 3,2M is provided with three buses, and the three buses penetrate through the second bus sleeve 18 and the branch bus barrel 17 respectively and are electrically connected with the corresponding second side breaker 13;

the three-phase outgoing line 4 comprises A, B and three C sub-lines, and the three sub-lines in the three-phase outgoing line 4 penetrate through the first outgoing line sleeve 15 and are electrically connected with the corresponding first side breaker 11 and the middle breaker 12 respectively;

and the second three-phase outgoing line 5 comprises three sub-lines A1, B1 and C1, and the three sub-lines in the second three-phase outgoing line 5 penetrate through a second outgoing line sleeve 16 and are electrically connected with a corresponding second side breaker 13 and a middle break breaker 12.

Preferably, the circuit breaker further comprises a steel framework 6, the circuit breaker assemblies 1 are arranged at the bottom of the steel framework 6 side by side, the first three-phase outgoing line 4 is outgoing from the left side of the steel framework 6, and the second three-phase outgoing line 5 is outgoing from the front side of the steel framework 6.

Preferably, the C sub-line and the C1 sub-line are led out through the insulator 7.

Preferably, the steel framework 6 is provided with three layers, the breaker assembly 1 is arranged on a first layer of the steel framework 6, the 1M bus bar 2 is hung on a second layer of the steel framework 6 and is positioned on the right side of the steel framework 6, the 2M bus bar 3 is hung on the second layer of the steel framework 6 and is positioned on the left rear side of the steel framework 6, the first three-phase outgoing line 4 is outgoing from the third layer of the steel framework 6, and the second three-phase outgoing line 5 is outgoing from the second layer of the steel framework 6.

Preferably, the insulator 7 is of the suspended type.

The utility model discloses a concrete implementation does:

the breaker assembly 1 is connected to the 2M bus bar 3 by the L-shaped branch bus bar barrel 17 and then reverse wiring can be achieved without using an empty string.

When the steel framework 6 is used for outgoing, the first three-phase outgoing line 4 is outgoing from the left side of the second layer of the steel framework 6, and the second three-phase outgoing line 5 is outgoing from the front of the third layer of the steel framework 6, namely, reverse outgoing is completed.

When the cable is led out, the A sub-cable, the B sub-cable, the A1 sub-cable and the B1 sub-cable are led out through the inclined crossing cable on the upper layer, and the C sub-cable and the C1 sub-cable are led out through the suspension insulator 7.

The utility model discloses an use the scene to do: the spacing outgoing line device is suitable for the condition that spacing outgoing lines close to the inner side of a power distribution station and spacing lateral outgoing lines close to the outer side of a transformer substation cannot be achieved in spacing strings, and meanwhile, the spacing of spare outgoing lines cannot be increased.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A500 kV HGIS power distribution device outgoing line arrangement structure is characterized by comprising:

the circuit breaker assembly comprises a first side circuit breaker, a middle circuit breaker and a second side circuit breaker which are electrically connected in sequence, wherein one side of the first side circuit breaker is connected with a first bus sleeve, a first outgoing line sleeve is arranged between the first side circuit breaker and the middle circuit breaker and connected with the middle circuit breaker, a second outgoing line sleeve is arranged on one side of the middle circuit breaker, which is far away from the first side circuit breaker, an L-shaped branch bus barrel is fixedly connected to one side of the second outgoing line sleeve, which is far away from the middle circuit breaker, the second side circuit breaker is arranged on the branch bus barrel, the head of the branch bus barrel is connected with the second bus sleeve, and three groups of circuit breaker assemblies are arranged side by side;

the device comprises 1M buses, wherein the 1M buses are provided with three 1M buses, and the three 1M buses penetrate through a first bus sleeve and are electrically connected with corresponding first side circuit breakers;

the 2M bus is provided with three buses, and the three buses penetrate through the second bus sleeve and the branch bus cylinder respectively and are electrically connected with the corresponding second-side circuit breakers;

the first three-phase outgoing line comprises A, B and three C sub-lines, and the three sub-lines in the first three-phase outgoing line penetrate through the first outgoing line sleeve and are electrically connected with the corresponding first side breaker and the middle-break circuit breaker respectively;

2. A 500kV HGIS power distribution apparatus outlet arrangement as claimed in claim 1, further comprising a steel frame, wherein the circuit breaker assemblies are arranged side by side at the bottom of the steel frame, the first three-phase outlet is from the left side of the steel frame, and the second three-phase outlet is from the front side of the steel frame.

3. A500 kV HGIS power distribution unit outlet line arrangement structure according to claim 2, wherein the C sub-line and the C1 sub-line are outlet through insulators.

4. A500 kV HGIS power distribution device outgoing line arrangement structure as claimed in claim 3, wherein the steel frame is provided with three layers, the breaker assembly is arranged on the first layer of the steel frame, the 1M bus is hung on the second layer of the steel frame and located on the right side of the steel frame, the 2M bus is hung on the second layer of the steel frame and located on the left rear side of the steel frame, the first three-phase outgoing line is outgoing from the third layer of the steel frame, and the second three-phase outgoing line is outgoing from the second layer of the steel frame.

5. A500 kV HGIS power distribution unit outlet arrangement structure according to claim 3, wherein the insulator is of a suspension type.