CN113922265B - 500KV HGIS power distribution device - Google Patents
500KV HGIS power distribution device Download PDFInfo
- Publication number
- CN113922265B CN113922265B CN202111088152.8A CN202111088152A CN113922265B CN 113922265 B CN113922265 B CN 113922265B CN 202111088152 A CN202111088152 A CN 202111088152A CN 113922265 B CN113922265 B CN 113922265B
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- Prior art keywords
- conductor
- hgis
- current transformer
- power distribution
- transformer
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- 239000004020 conductor Substances 0.000 claims abstract description 55
- 238000010586 diagram Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/075—Earthing arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention relates to the technical field of 500kV HGIS power distribution, in particular to a 500kV HGIS power distribution device, wherein a current transformer and a current transformer a are respectively arranged at two ends of a bus, the current transformer and the current transformer a are connected through a circuit breaker, a conductor is arranged at one side of the bus, and a lightning arrester and a voltage transformer are arranged in the conductor connection HGIS; according to the invention, the conductors are arranged at the middle sections of the lightning arrester and the voltage transformer, so that the workload after field test is reduced to a certain extent, the size of the lightning arrester and the voltage transformer in the direction of the incoming and outgoing lines can be effectively shortened, the occupied area is reduced, and the device is simple in structure, low in cost and easy to operate.
Description
Technical Field
The invention relates to the technical field of 500kV HGIS power distribution, in particular to a 500kV HGIS power distribution device.
Background
Transformer substations in power systems are affected by factors such as environment, occupied area, economic indexes and the like, and composite gas-insulated combined switch equipment, namely: HGIS;
A composite gas-insulated combined switch equipment is characterized in that a bus in a 500kV distribution device adopts an open-type suspended tubular bus, a circuit breaker, a disconnecting switch, a grounding switch, a quick grounding switch and a current transformer component are sealed in a metal shell, SF6 gas insulation is filled in the circuit breaker, the disconnecting switch, the grounding switch, the quick grounding switch and the current transformer component, the bus grounding switch, the lightning arrester and the voltage transformer can be arranged in HGIS equipment in an internal mode or can be arranged in an external mode.
The HGIS equipment does not contain bus unit, therefore possess high reliability and high security, can realize product miniaturization simultaneously, the modularization can realize batch production and equipment, accord with the design theory of assembled transformer substation, each HGIS equipment in the distribution unit district is mutually independent, the trouble shooting of a piece of equipment can not lead to the busbar to stop entirely, the interval HGIS equipment of expanding does not need to be connected with original HGIS equipment simultaneously, consequently the purchasing source of the engineering equipment of expanding is extensive, there is not the single source problem of HGIS equipment expanding.
At present, when the conventional 500kV HGIS power distribution device of a transformer substation selects HGIS equipment, adopting outdoor suspended tubular busbar medium-sized arrangement and HGIS breaker three-row arrangement, and adopting an HGIS semi-C-shaped arrangement scheme to limit lightning invasion wave overvoltage, and installing lightning arresters at all 500kV line outlets and transformer inlet wires; in the conventional arrangement structure of the 500kV HGIS power distribution device, an arrester and a voltage transformer are arranged at the space between an overhead incoming line and an overhead outgoing line, and the arrester and the voltage transformer are both in an external structure, and the arrangement structure is shown in the attached figure 1; in the arrangement structure of the 500kV HGIS power distribution device, the lightning arrester and the voltage transformer adopt external structures, so that the size of the power distribution device in the incoming and outgoing line direction is required to meet the requirements of arranging the lightning arrester and the voltage transformer, and when the engineering construction is limited by the field area, the 500kV power distribution device area is not provided with enough space for arranging the open type lightning arrester and the voltage transformer, equipment arrangement is difficult, the conventional scheme is difficult to realize, and the application flexibility is poor.
Disclosure of Invention
Aiming at the defects, the invention provides the 500kV HGIS power distribution device on the premise of ensuring safe and reliable operation, which remarkably compresses the area occupation of the 500kV power distribution device, saves the investment cost, brings stronger flexibility for device installation, and has simple structure, low cost and convenient operation.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a 500kV HGIS power distribution apparatus, comprising: the two ends of the bus are respectively provided with a current transformer (5) and a current transformer a (8), the current transformer (5) and the current transformer a (8) are connected through a circuit breaker (1), one side of the bus is provided with a conductor (7), and the conductor (7) is connected with an arrester (2) and a voltage transformer (3) which are arranged in the HGIS.
The technical scheme of the invention is further improved as follows: the conductor (7) is connected with the lightning arrester (2) and the voltage transformer (3) through the dismounting conductor a (11) and the dismounting conductor b (12) respectively.
The technical scheme of the invention is further improved as follows: the extension section of the current transformer (5) is sequentially connected with the grounding switch (4) and the air sleeve (6).
The technical scheme of the invention is further improved as follows: the extension section of the current transformer a (8) is sequentially connected with the isolating switch (9) and the air sleeve a (10).
The technical scheme of the invention is further improved as follows: one end of the conductor (7) is connected between the grounding switch (4) and the current transformer (5).
The technical scheme of the invention is further improved as follows: the other end of the conductor (7) is connected between the detaching conductor a (11) and the detaching conductor b (12).
Compared with the prior art, the 500kV HGIS power distribution device provided by the invention has the following beneficial effects:
1. The invention provides a 500kV HGIS power distribution device, which is characterized in that conductors are arranged at the middle sections of a lightning arrester and a voltage transformer to reduce the workload after field test to a certain extent, namely, the lightning arrester and the voltage transformer can be firstly arranged on HGIS equipment, the conductors are not arranged, insulation test is carried out, and the conductors are arranged after the test.
2. Compared with the traditional HGIS arrangement structure, the 500kV HGIS distribution device provided by the invention has the advantages that the equipment with the lightning arrester and the voltage transformer built in the HGIS can effectively shorten the line in-out direction dimension, reduce the occupied area and provide a good solution for the situation that the equipment is difficult to arrange due to the limitation of the field area.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an overall effect diagram of a conventional 500kV HGIS equipment.
Fig. 2 is a schematic structural diagram of the HGIS distribution apparatus of 500kV according to the present invention.
Fig. 3 is a schematic circuit diagram of a 500kV HGIS power distribution apparatus of the present invention.
Fig. 4 is an overall effect diagram of the HGIS power distribution apparatus of 500kV according to the present invention.
Reference numerals in the drawings: 1-a circuit breaker; 2-lightning arresters; 3-a voltage transformer; 4-a grounding switch; 5-a current transformer; 6-an air sleeve; 7-conductors; 8-a current transformer a; 9-isolating switch; 10-air sleeve a; 11-removing conductor a; 12-removing conductor b.
Detailed Description
The technical scheme of the present invention will be clearly and completely described in the following detailed description. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the existing 220kV-750kV transformer substation design regulations, the number of equipment of a transformer substation wiring system is reduced, the overall reliability of a transformer substation is improved, but a direct connection mode of a voltage transformer (3) and a lightning arrester (2) brings certain trouble to equipment maintenance, and due to the structural and functional characteristics of the voltage transformer (3) and the lightning arrester (2), when the main loop insulation test is carried out on an HGIS field, the voltage transformer (3) and the lightning arrester (2) cannot be tested together with the HGIS equipment. If the direct connection mode of the conducting rod is adopted for connection, when the main loop insulation test is carried out on site, the voltage transformer (3) and the lightning arrester (2) are not installed, after the test is finished, the voltage transformer is installed on the HGIS equipment, so that the situation that the gas needs to be repeatedly recovered and the connection position of the voltage transformer (3) and the lightning arrester (2) is repeatedly installed in site installation occurs, the site installation progress, the efficiency and the reliability of the equipment are affected to a certain extent, and the inconvenience is brought to the follow-up maintenance work.
According to the 500kV HGIS power distribution device, as shown in figures 2 and 3, a current transformer (5) and a current transformer a (8) are respectively arranged at two ends of a bus, the current transformer (5) and the current transformer a (8) are connected through a circuit breaker (1), a conductor (7) is arranged at one side of the bus, and the conductor (7) is connected with a lightning arrester (2) and a voltage transformer (3) arranged in the HGIS; arrester (2) and voltage transformer (3) link to each other in conductor (7) through dismantling conductor a (11) and dismantling conductor b (12) respectively, with arrester (2) and voltage transformer (3) embeds inside 500kV HGIS equipment, realizes the isolation with the main loop through setting up dismantling conductor a (11) and dismantling conductor b (12), and dismantling conductor a (11) and dismantling conductor b (12) setting up in independent air chamber, constitutes an HGIS overall apparatus. Meanwhile, in order to reduce the dimension of the distribution device area in the wire inlet and outlet directions, a lightning arrester (2) and a voltage transformer (3) are arranged on the side face of the HGIS equipment; one end of a conductor (7) is connected between a grounding switch (4) and a current transformer (5), the other end of the conductor is connected between a disassembly conductor a (11) and a disassembly conductor b (12), the disassembly conductor a (11) is connected with a lightning arrester (2), the disassembly conductor b (12) is connected with a voltage transformer (3), the lightning arrester (2) is Y20WF4-420/1046, the rated voltage of the lightning arrester is 420kV, and the lightning impulse residual voltage is 1046kV; the model number of the voltage transformer (3) is JDQXFH-500; the disassembly conductor a (11) is identical to the disassembly conductor b (12) and has a rated current of 6300A. Compared with a direct connection structure, the invention has the advantages that the disassembly conductor a (11) and the disassembly conductor b (12) are respectively arranged at the middle sections of the lightning arrester (2) and the voltage transformer (3) and are connected with the conductor (7), so that the workload after field test is reduced to a certain extent, namely, the lightning arrester (2) and the voltage transformer (3) can be firstly installed on HGIS equipment, the disassembly conductor a (11) and the disassembly conductor b (12) are not firstly installed, the insulation test is carried out, and then the disassembly conductor is installed for connection after the test. The conductor is dismantled under the general condition and an independent air chamber is adopted, so that the on-site gas recovery work is facilitated.
Preferably, the extension section of the current transformer (5) is sequentially connected with the grounding switch (4) and the air sleeve (6).
Preferably, the extension section of the current transformer a (8) is sequentially connected with the isolating switch (9) and the air sleeve a (10).
According to the invention, the disassembly conductor a (11) and the disassembly conductor b (12) can be respectively or integrally arranged in the independent air chamber to realize isolation from the main loop, so that an HGIS integral device is formed, the 500kV HGIS main transformer incoming line interval is directly connected to the 500kV bus through the HGIS device, and the situation of main transformer access during three-half wiring is adopted, and as can be seen from the effect diagram of fig. 4, compared with the traditional HGIS arrangement structure, the device with the lightning arrester (2) and the voltage transformer (3) arranged in the HGIS can effectively shorten the line incoming and outgoing direction dimension, reduce the occupied area, and provide a good solution for the situation of difficult arrangement of the device due to the limitation of the field area.
The above embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (5)
1. A 500kV HGIS power distribution apparatus, comprising: a current transformer (5) and a current transformer a (8) are respectively arranged at two ends of the bus, the current transformer (5) and the current transformer a (8) are connected through a circuit breaker (1), a conductor (7) is arranged at one side of the bus, and the conductor (7) is connected with a lightning arrester (2) and a voltage transformer (3) arranged in the HGIS; the conductor (7) is connected with the lightning arrester (2) and the voltage transformer (3) through the disassembly conductor a (11) and the disassembly conductor b (12) respectively; the disassembly conductor a (11) and the disassembly conductor b (12) are arranged in independent air chambers to form an HGIS integral device; the lightning arrester (2) and the voltage transformer (3) are arranged on the side face of the HGIS equipment.
2. An HGIS power distribution apparatus of 500kV as recited in claim 1, wherein: the extension section of the current transformer (5) is sequentially connected with the grounding switch (4) and the air sleeve (6).
3. An HGIS power distribution apparatus of 500kV as recited in claim 1, wherein: the extension section of the current transformer a (8) is sequentially connected with the isolating switch (9) and the air sleeve a (10).
4. An HGIS power distribution apparatus of 500kV as recited in claim 1, wherein: one end of the conductor (7) is connected between the grounding switch (4) and the current transformer (5).
5. An HGIS power distribution apparatus of 500kV as recited in claim 1, wherein: the other end of the conductor (7) is connected between the detaching conductor a (11) and the detaching conductor b (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111088152.8A CN113922265B (en) | 2021-09-16 | 2021-09-16 | 500KV HGIS power distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111088152.8A CN113922265B (en) | 2021-09-16 | 2021-09-16 | 500KV HGIS power distribution device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113922265A CN113922265A (en) | 2022-01-11 |
| CN113922265B true CN113922265B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111088152.8A Active CN113922265B (en) | 2021-09-16 | 2021-09-16 | 500KV HGIS power distribution device |
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| Country | Link |
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| CN (1) | CN113922265B (en) |
Citations (13)
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|---|---|---|---|---|
| JP2000201410A (en) * | 1999-01-06 | 2000-07-18 | Nissin Electric Co Ltd | Gas-insulated switchgear |
| JP2009232506A (en) * | 2008-03-19 | 2009-10-08 | Toshiba Corp | Gas-insulated switchgear |
| CN201750072U (en) * | 2010-07-23 | 2011-02-16 | 山东泰开中压开关有限公司 | Outdoor compound combined electrical equipment for 35KV substation |
| CN202550377U (en) * | 2012-04-10 | 2012-11-21 | 江苏大全高压开关有限公司 | GIS (gas insulated switchgear) combined electrical appliance |
| CN203119311U (en) * | 2013-01-11 | 2013-08-07 | 山东泰开高压开关有限公司 | Bilateral protection-bus-contact three-in-one semi-closed combined electric appliance |
| CN203367845U (en) * | 2013-07-25 | 2013-12-25 | 浙江开关厂有限公司 | Sulfur hexafluoride totally-enclosed combined electric appliance |
| CN204230648U (en) * | 2014-11-20 | 2015-03-25 | 福建永福工程顾问有限公司 | Based on the outdoor power distribution unit of Novel tank-type circuit breaker |
| CN205355657U (en) * | 2015-12-30 | 2016-06-29 | 青岛特锐德电气股份有限公司 | Movable HGIS combined electrical apparatus |
| CN110518479A (en) * | 2019-07-22 | 2019-11-29 | 辽宁中能电力实业集团有限责任公司 | The grade wind driven generators Fahrenheit primary substation such as 66kV(110kV) |
| CN210517579U (en) * | 2019-11-15 | 2020-05-12 | 西安西电开关电气有限公司 | One and one half wiring type GIS equipment for offshore wind power |
| CN111697432A (en) * | 2020-07-17 | 2020-09-22 | 山东泰开高压开关有限公司 | Combined electrical apparatus with bypass isolating switch at incoming and outgoing line interval |
| CN111711079A (en) * | 2020-05-22 | 2020-09-25 | 中国电建集团河北省电力勘测设计研究院有限公司 | Three-phase two-column arrangement mode of low-voltage bus bar of 500kV transformer substation |
| CN112467597A (en) * | 2020-10-30 | 2021-03-09 | 平高集团有限公司 | Electric connection assembly and high-voltage switch using same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1697275A (en) * | 1998-10-13 | 2005-11-16 | 株式会社日立制作所 | Gas insulation switchgear |
-
2021
- 2021-09-16 CN CN202111088152.8A patent/CN113922265B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000201410A (en) * | 1999-01-06 | 2000-07-18 | Nissin Electric Co Ltd | Gas-insulated switchgear |
| JP2009232506A (en) * | 2008-03-19 | 2009-10-08 | Toshiba Corp | Gas-insulated switchgear |
| CN201750072U (en) * | 2010-07-23 | 2011-02-16 | 山东泰开中压开关有限公司 | Outdoor compound combined electrical equipment for 35KV substation |
| CN202550377U (en) * | 2012-04-10 | 2012-11-21 | 江苏大全高压开关有限公司 | GIS (gas insulated switchgear) combined electrical appliance |
| CN203119311U (en) * | 2013-01-11 | 2013-08-07 | 山东泰开高压开关有限公司 | Bilateral protection-bus-contact three-in-one semi-closed combined electric appliance |
| CN203367845U (en) * | 2013-07-25 | 2013-12-25 | 浙江开关厂有限公司 | Sulfur hexafluoride totally-enclosed combined electric appliance |
| CN204230648U (en) * | 2014-11-20 | 2015-03-25 | 福建永福工程顾问有限公司 | Based on the outdoor power distribution unit of Novel tank-type circuit breaker |
| CN205355657U (en) * | 2015-12-30 | 2016-06-29 | 青岛特锐德电气股份有限公司 | Movable HGIS combined electrical apparatus |
| CN110518479A (en) * | 2019-07-22 | 2019-11-29 | 辽宁中能电力实业集团有限责任公司 | The grade wind driven generators Fahrenheit primary substation such as 66kV(110kV) |
| CN210517579U (en) * | 2019-11-15 | 2020-05-12 | 西安西电开关电气有限公司 | One and one half wiring type GIS equipment for offshore wind power |
| CN111711079A (en) * | 2020-05-22 | 2020-09-25 | 中国电建集团河北省电力勘测设计研究院有限公司 | Three-phase two-column arrangement mode of low-voltage bus bar of 500kV transformer substation |
| CN111697432A (en) * | 2020-07-17 | 2020-09-22 | 山东泰开高压开关有限公司 | Combined electrical apparatus with bypass isolating switch at incoming and outgoing line interval |
| CN112467597A (en) * | 2020-10-30 | 2021-03-09 | 平高集团有限公司 | Electric connection assembly and high-voltage switch using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113922265A (en) | 2022-01-11 |
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