CN110401130A - A kind of large capacity wind field case structure changes - Google Patents
A kind of large capacity wind field case structure changes Download PDFInfo
- Publication number
- CN110401130A CN110401130A CN201910587969.6A CN201910587969A CN110401130A CN 110401130 A CN110401130 A CN 110401130A CN 201910587969 A CN201910587969 A CN 201910587969A CN 110401130 A CN110401130 A CN 110401130A
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- China
- Prior art keywords
- transformer
- gas
- switching tube
- filled switching
- tube component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002955 isolation Methods 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 18
- 229910052802 copper Inorganic materials 0.000 claims description 18
- 239000010949 copper Substances 0.000 claims description 18
- 238000004080 punching Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 230000007423 decrease Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
-
- 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
- H02B13/0354—Gas-insulated switchgear comprising a vacuum switch
-
- 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
- H02B13/045—Details of casing, e.g. gas tightness
-
- 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
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a kind of large capacity wind field case structure changes, comprising: case becomes shell, transformer, gas-filled switching tube component, high-tension cable, transformer outlet casing tube, current transformer；Gas-filled switching tube component, high-tension cable, transformer outlet casing tube, current transformer setting become in shell in the case；Transformer is located at the case and becomes outer side of shell, and current transformer, gas-filled switching tube component, high-tension cable are sequentially connected electrically.This structure includes the switch solution of vacuum circuit breaker and three-station isolating grounding switch using gas-filled switching tube component, space can be saved, the more split type vacuum circuit breaker of occupied area+upper disconnecting switch+lower earthing switch scheme decline 25~30%, expropriation of land and civil engineering area are saved, and is readily transported and lifts；Gas-filled switching tube component is insulated using SF6, inherits the high reliability and low operating cost of inflation class product；Integrated form mechanical interlocking design between vacuum circuit breaker and isolation ground connection three-station, can effectively prevent maloperation.
Description
Technical field
The present invention relates to box type transformers, and in particular to a kind of large capacity wind field case structure changes.
Background technique
As fan capacity increases, case varying capacity also increases therewith, is embodied in following side to the requirement variation that case becomes
Face: the variation of 1. structure types, in 1.5~2.0MW epoch, the primary structure form that case becomes becomes into beauty, in 2.5~5MW epoch, case
The structure type of change is adjusted to based on structure of mutinying；2. high side switch changes, it is by on-load switch+fuse project setting
Breaker scheme, Interlocking System and structure is complicated change；3. entire case variable volume becomes huge after capacity increases, transport, lifting are tired
Difficulty, expense increase；4. the protection requirement that transformer capacity increases transformer is higher, become more complicated, and minimizes, low cost
It is the trend that wind field case becomes development.
The common structure form that large capacity is mutinied at this stage mainly has following four:
1. integral vacuum breaker+upper isolation+lower ground connection (isolation and ground connection operations linkage), using air insulation, outside
Shape size about 4850 (length) × 2000 (width) × 2300 (height) mm, is equivalent to on-load switch+fuse scheme of original low capacity
Derivation, better economy, space layout relative compact, but main switch is relatively simple, short circuit interruption ability is usually no more than
20kA；
2. split type vacuum circuit breaker+upper disconnecting switch+lower earthing switch, and air insulation is used, shape size is about
5550 (length) × 2725 (width) × 2500 (height) mm, the alternative type of main switch is more, but volume is very big, assembly, fortune
It is defeated to be inconvenient, and mechanical interlocking is related to 3 independent components, cumbersome, reliability is not also high；
3. handcart type vacuum circuit breaker+lower earthing switch, air insulation, about 5400 (length) × 2550 (width) of shape size ×
3000 (height) mm, main switch can pull out maintenance, and the replacement under extreme accident is also more convenient, and volume is also very big, assembly, transport
Inconvenience, handcart type breaker positioning intensity is inadequate, needs independent packed and transported, the area of field basic, which wants sufficiently large, just can be carried out
The disengaging of handcart operates；
4. all-insulation inflation formula switchgear (vacuum circuit breaker, lower isolation three stations of ground connection), SF6 gas-insulated, shape is big
Small about 3800 (length) × 2550 (width) × 2900 (height) mm, equipment failure rate is low, and operating cost declines to a great extent, and safety is good and body
Product is small, case material and transportation cost can be effectively reduced, but its initial cost is high, including original equipment cost and installation test fee,
The producer for being able to produce 35kV gas-filling cabinet now is also considerably less, and import brand accounting is big, and the standby redundancy price of gas-filling cabinet is not yet
Low, the professional requirement of installation maintenance is higher, is easy to leave security risk.
Summary of the invention
In order to solve the above technical problems, the object of the present invention is to provide it is a kind of can equilibrium volume, cost and reliability it is big
Capacity wind field case structure changes.
The technical scheme adopted by the invention is as follows:
A kind of large capacity wind field case structure changes, comprising: case becomes shell, transformer, gas-filled switching tube component, high-tension cable, change
Depressor outlet casing tube, current transformer；
The gas-filled switching tube component, high-tension cable, transformer outlet casing tube, current transformer setting become shell in the case
It is interior；The transformer is located at the case and becomes outer side of shell, and is electrically connected by the transformer outlet casing tube with current transformer,
The current transformer, gas-filled switching tube component, high-tension cable are sequentially connected electrically；
The gas-filled switching tube component includes hermetically sealed shell and is arranged in the hermetically sealed intracorporal vacuum circuit breaker of shell
And three-station isolating grounding switch, the hermetically sealed shell are filled with SF6 gas and insulate.
Further, it is electrically connected between the transformer outlet casing tube and current transformer using copper bar, the gas-filled switching tube
Component is provided with entrance bushing and outlet casing tube, and the entrance bushing of the gas-filled switching tube component passes through copper bar and the Current Mutual Inductance
The outlet casing tube of device electrical connection, the gas-filled switching tube component is electrically connected by copper bar with the high-tension cable.
Further, integrated form mechanical interlocking knot is used between the vacuum circuit breaker and the three-station isolating grounding switch
Structure.
Further, the outlet casing tube of the gas-filled switching tube component also passes through copper bar and is connected with arrester.
Further, protection fuse and voltage transformer are installed below the transformer outlet casing tube.
Further, the transformer outlet casing tube is connect by copper bar with the protection fuse, the protection fuse
It is electrically connected with the voltage transformer.
Preferential, the current sensor uses column support type structure or casing punching structure.
The specific embodiment of the invention the utility model has the advantages that this structure includes vacuum circuit breaker and three using gas-filled switching tube component
The switch solution of station isolation grounding switch can save space, so that case becomes shape size and reaches about 4200 (length) × 2550
(width) × 2400 (height) mm, the more split type vacuum circuit breaker of occupied area+upper disconnecting switch+lower earthing switch scheme decline 25~
30%, expropriation of land and civil engineering area are saved, and be readily transported and lift；Gas-filled switching tube component is insulated using SF6, inherits inflation class
The high reliability and low operating cost of product；Integrated form mechanical interlocking between vacuum circuit breaker and isolation ground connection three-station
Design, can effectively prevent maloperation；Copper bar overlap joint, eliminates the production and installation of on-site cable attachment, maintains exhausted with air
Comparable equipment acquisition cost early period of edge scheme.
Detailed description of the invention
Below by the drawings and the specific embodiments, the present invention will be described in detail.
Fig. 1 is the large capacity wind field case structure changes figure of the embodiment of the present invention.
Specific embodiment
As shown in Figure 1, a kind of large capacity wind field case structure changes, comprising: case becomes shell 1, transformer 2, gas-filled switching tube component
3, high-tension cable 4, transformer outlet casing tube 5, current transformer 6, arrester 7, protection fuse 8 and voltage transformer 9；
The specific location and connection relationship of above-mentioned component are gas-filled switching tube component 3, high-tension cable 4, transformer outlet casing tube
5, current transformer 6, arrester 7, protection fuse 8 and the setting of voltage transformer 9 become in shell 1 in case；Transformer 2 is located at
Case becomes 1 outside of shell, and is electrically connected by transformer outlet casing tube 5 with current transformer 6, current transformer 6, gas-filled switching tube group
Part 3, high-tension cable 4 are sequentially connected electrically；
When normal operation, electric current is sent into through right side transformer 2, is reached by overlap joint copper bar 10 by transformer outlet casing tube 5
Current transformer 6, then enter from the entrance bushing of gas-filled switching tube component 3 lead collar of 3 gas-filled switching tube component 3 of gas-filled switching tube component
Pipe lower end connects high-tension cable 4 and arrester 7, and electric current is sent out downwards from high-tension cable 4.
The main improvement of the technical program is: gas-filled switching tube component 3 includes hermetically sealed shell and is arranged hermetically sealed
The intracorporal vacuum circuit breaker of shell and three-station isolating grounding switch, hermetically sealed shell are filled with SF6 gas and insulate.Using inflation
Switch block includes the switch solution of vacuum circuit breaker and three-station isolating grounding switch, can save space, so that case becomes outer
Shape size reaches about 4200 (length) × 2550 (width) × 2400 (height) mm, the more split type vacuum circuit breaker of occupied area+upper isolation
Switch+lower earthing switch scheme decline 25~30%, saves expropriation of land and civil engineering area, and be readily transported and lift；Gas-filled switching tube
Component 3 is insulated using SF6, inherits the high reliability and low operating cost of inflation class product.
In addition, integrated form mechanical interlocking structure is used between vacuum circuit breaker and three-station isolating grounding switch, it can be effective
Prevent maloperation.
As the further improvement of the technical program, copper bar 10 is used between transformer outlet casing tube 5 and current transformer 6
Electrical connection, gas-filled switching tube component 3 are provided with entrance bushing and outlet casing tube, and the entrance bushing of gas-filled switching tube component 3 passes through copper bar
10 are electrically connected with current transformer 6, and the outlet casing tube of gas-filled switching tube component 3 is electrically connected by copper bar 10 with high-tension cable 4.Inflation
The outlet casing tube of switch block 3 connects arrester 7 by copper bar 10, and protection fuse 8 is equipped with below transformer outlet casing tube 5
With voltage transformer 9, transformer outlet casing tube 5 is connect by copper bar 10 with protection fuse 8, protects fuse 8 and voltage mutual
Sensor 9 is electrically connected.
It is connected between component using copper bar 10, to eliminate the production and installation of on-site cable attachment, is maintained and sky
Comparable equipment acquisition cost early period of gas insulation system.In addition, current sensor uses column support type structure or set in the present embodiment
Pipe punching structure.
Above embodiments are explanation of the invention, and still, the invention is not limited to specific in above embodiment
Details, a variety of equivalent substitutes or simple variant side that those skilled in the art carries out within the scope of the technical concept of the present invention
Formula is within the scope of protection of the invention.
Claims (7)
1. a kind of large capacity wind field case structure changes characterized by comprising case becomes shell, transformer, gas-filled switching tube component, height
Voltage cable, transformer outlet casing tube, current transformer；
The gas-filled switching tube component, high-tension cable, transformer outlet casing tube, current transformer setting become in shell in the case；
The transformer is located at the case and becomes outer side of shell, and is electrically connected by the transformer outlet casing tube with current transformer, institute
Current transformer, gas-filled switching tube component, high-tension cable is stated to be sequentially connected electrically；
The gas-filled switching tube component includes hermetically sealed shell and setting in the intracorporal vacuum circuit breaker of the hermetically sealed shell and three
Station isolation grounding switch, the hermetically sealed shell are filled with SF6 gas and insulate.
2. large capacity wind field case structure changes according to claim 1, which is characterized in that the transformer outlet casing tube and electricity
It is electrically connected between current transformer using copper bar, the gas-filled switching tube component is provided with entrance bushing and outlet casing tube, the inflation
The entrance bushing of switch block is electrically connected by copper bar with the current transformer, and the outlet casing tube of the gas-filled switching tube component is logical
Copper bar is crossed to be electrically connected with the high-tension cable.
3. large capacity wind field case structure changes according to claim 1, which is characterized in that the vacuum circuit breaker and described three
Integrated form mechanical interlocking structure is used between station isolation grounding switch.
4. large capacity wind field case structure changes according to claim 2, which is characterized in that the outlet of the gas-filled switching tube component
Casing also passes through copper bar and is connected with arrester.
5. large capacity wind field case structure changes according to claim 1, which is characterized in that below the transformer outlet casing tube
Protection fuse and voltage transformer are installed.
6. large capacity wind field case structure changes according to claim 5, which is characterized in that the transformer outlet casing tube passes through
Copper bar is connect with the protection fuse, and the protection fuse is electrically connected with the voltage transformer.
7. large capacity wind field case structure changes according to claim 1, which is characterized in that the current sensor uses pillar
Formula structure or casing punching structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910587969.6A CN110401130A (en) | 2019-07-02 | 2019-07-02 | A kind of large capacity wind field case structure changes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910587969.6A CN110401130A (en) | 2019-07-02 | 2019-07-02 | A kind of large capacity wind field case structure changes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110401130A true CN110401130A (en) | 2019-11-01 |
Family
ID=68322672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910587969.6A Pending CN110401130A (en) | 2019-07-02 | 2019-07-02 | A kind of large capacity wind field case structure changes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110401130A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111653973A (en) * | 2020-06-30 | 2020-09-11 | 山东泰开箱变有限公司 | New forms of energy compact large capacity prepackage type transformer substation |
| CN112217118A (en) * | 2020-09-27 | 2021-01-12 | 四川电器集团中电开关有限公司 | Special compact high-pressure compartment for wind power box transformer substation |
| CN115967034A (en) * | 2022-12-27 | 2023-04-14 | 广东明阳电气股份有限公司 | Outdoor box-type substation and wind power system |
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| CN204695947U (en) * | 2015-06-12 | 2015-10-07 | 金杰实业集团有限公司 | The compact molding box structure changes of 35kV wind-powered electricity generation |
| CN207183899U (en) * | 2017-08-18 | 2018-04-03 | 山东泰开箱变有限公司 | Integral circuit breaker case becomes |
| CN109510097A (en) * | 2018-12-14 | 2019-03-22 | 青岛特锐德电气股份有限公司 | A kind of block switch and staged isolation combination sideboard |
| CN210273277U (en) * | 2019-07-02 | 2020-04-07 | 中山市明阳电器有限公司 | Wind field case becomes structure |
-
2019
- 2019-07-02 CN CN201910587969.6A patent/CN110401130A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2697918Y (en) * | 2004-02-20 | 2005-05-04 | 陆建军 | Compact pre-installing type converting station |
| CN202978016U (en) * | 2012-12-14 | 2013-06-05 | 吉唯达(上海)电气有限公司 | Integrated switch of wind driven generator |
| CN204695947U (en) * | 2015-06-12 | 2015-10-07 | 金杰实业集团有限公司 | The compact molding box structure changes of 35kV wind-powered electricity generation |
| CN207183899U (en) * | 2017-08-18 | 2018-04-03 | 山东泰开箱变有限公司 | Integral circuit breaker case becomes |
| CN109510097A (en) * | 2018-12-14 | 2019-03-22 | 青岛特锐德电气股份有限公司 | A kind of block switch and staged isolation combination sideboard |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111653973A (en) * | 2020-06-30 | 2020-09-11 | 山东泰开箱变有限公司 | New forms of energy compact large capacity prepackage type transformer substation |
| CN112217118A (en) * | 2020-09-27 | 2021-01-12 | 四川电器集团中电开关有限公司 | Special compact high-pressure compartment for wind power box transformer substation |
| CN112217118B (en) * | 2020-09-27 | 2022-07-01 | 四川电器集团中电开关有限公司 | Special compact high-pressure compartment for wind power box transformer substation |
| CN115967034A (en) * | 2022-12-27 | 2023-04-14 | 广东明阳电气股份有限公司 | Outdoor box-type substation and wind power system |
| CN115967034B (en) * | 2022-12-27 | 2023-08-15 | 广东明阳电气股份有限公司 | Outdoor box-type transformer substation and wind power system |
| WO2024138880A1 (en) * | 2022-12-27 | 2024-07-04 | 广东明阳电气股份有限公司 | Outdoor box-type substation and wind power system |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200417 Address after: 528400 No.1, Hengmen Xingye West Road, Nanlang Town, Zhongshan City, Guangdong Province Applicant after: Guangdong Mingyang Electric Co., Ltd Address before: 528437 Office Building No. 25 Jiangling West Road, Zhongshan Torch Development Zone, Guangdong Province Applicant before: ZHONGSHAN MINGYANG ELECTRIC Co.,Ltd. |
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| CB02 | Change of applicant information |
Address after: No.1, Hengmen Xingye West Road, Nanlang Town, Zhongshan City, Guangdong Province, 528400 Applicant after: Guangdong Mingyang Electric Co.,Ltd. Address before: No.1, Hengmen Xingye West Road, Nanlang Town, Zhongshan City, Guangdong Province, 528400 Applicant before: Guangdong Mingyang Electric Co.,Ltd. |
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