CN204597482U - A kind of " 3-1 " wiring patterns based on universe urbanization Modern power distribution net - Google Patents
A kind of " 3-1 " wiring patterns based on universe urbanization Modern power distribution net Download PDFInfo
- Publication number
- CN204597482U CN204597482U CN201520120134.7U CN201520120134U CN204597482U CN 204597482 U CN204597482 U CN 204597482U CN 201520120134 U CN201520120134 U CN 201520120134U CN 204597482 U CN204597482 U CN 204597482U
- Authority
- CN
- China
- Prior art keywords
- cable
- wiring patterns
- main unit
- ring
- interconnection switch
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of " 3-1 " wiring patterns based on universe urbanization Modern power distribution net, include 3 times 10kV cable lines, often return the wiring patterns of 1 sets of lines that 10kV cable line all has 1 ~ 2 contact point to be formed, the described 10kV cable line that often returns is formed by 3 ~ 4 trunk ring-main units, and the described 10kV cable line that often returns all is connected with other cable lines by 1 ~ 2 interconnection switch.The utility model is more suitable for the region that load density is higher, line corridor is difficult, the maximum load rate of single time 10kV cable line is higher than the line load rate in Single-ring network and dual-ring network wiring, and the maximum supply power load of 1 sets of lines is between Single-ring network and dual-ring network, can be used as transition wiring patterns, further to Single-ring network, the transition of dual-ring network wiring patterns.
Description
Technical field
The utility model relates to MV distribution systems typical wiring pattern, particularly a kind of tool " 3-1 " wiring patterns based on universe urbanization Modern power distribution net.
Background technology
10kV power distribution network comprises built on stilts net and cable system two kinds of network configurations, and wherein cable system has the wiring patterns such as injection formula, twinshot, correlation, Single-ring network, dual-ring network.According to Q/GDW 1738-2012 " distribution network planning designing technique directive/guide " relevant regulations, according to administrative grade or the load density in planning level year, and the factor such as economic development level, user's significance level, electricity consumption level, GDP, electrical network can be divided into the power supply areas such as A+, A, B, C, D, E, wherein prefecture-level city central area will be divided into category-A or category-B power supply area according to load density, and county-level city central area will be divided into category-B power supply area.And category-B power supply area 10kV power distribution network target grid structure is recommended based on Single-ring network structure, category-A power supply area is based on dual-ring network and Single-ring network structure.Single-ring network and dual-ring network structural representation as shown below.
By the impact of the factors such as socio-economic development, power grid construction, geographical position, power load distributing, the distribution network of prefecture-level city and county-level city central area is often initial to be existed with radiant type wiring patterns such as injection formula, twinshot and correlations.Along with the raising of customer power supply reliability requirement, power distribution network has the network configuration of communication relationship by progressively developing into.Instruct owing to there is no clear and definite engineering philosophy, though have interconnected between the circuit of numerous central areas, but communication relationship is complicated and unordered, when will cause power distribution network to Single-ring network, dual-ring network target net structural development, exist because of high voltage substation layout not rationally, electric power corridor condition is limited, 10kV network configuration is too numerous and diverse and be difficult to the situation of combing.Especially in the urban development process of construction of universe urbanization, high load capacity density, concentrated line corridor will become the obvious characteristic of universe urbanization Modern power distribution net development gradually, therefore, the universe urbanization Modern power distribution net that, line corridor high for load density is difficult, need to build one and can either meet electrical network present situation, rationally can be transitioned into again the wiring patterns of target net.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art part, and a kind of a kind of wiring patterns that can either meet electrical network present situation, rationally can be transitioned into target net based on universe urbanization Modern power distribution net that provides is provided, realize a kind of " 3-1 " wiring patterns based on universe urbanization Modern power distribution net of customer charge reliable power supply.
A kind of " 3-1 " wiring patterns based on universe urbanization Modern power distribution net, it is characterized in that: include 3 times 10kV cable lines, often return the wiring patterns of 1 sets of lines that 10kV cable line all has 1 ~ 2 contact point to be formed, the described 10kV cable line that often returns is formed by 3 ~ 4 trunk ring-main units, the described 10kV cable line that often returns all is connected with other cable lines by 1 ~ 2 interconnection switch, described interconnection switch is arranged in trunk ring-main unit, described 1 sets of lines maximum supply power load about 12 ~ 16MW, on average often returning 10kV cable line load factor is 50% ~ 67%, the described trunk ring-main unit with interconnection switch includes block switch and interconnection switch simultaneously, normal motion time section switch is in closure state, interconnection switch is in the state of cut-offfing, the trunk ring-main unit of interconnection switch is had to cut-off state from basic routing line block switch and interconnection switch receiving key.
The described 10kV cable line power supply that often returns is all from transformer station; Described trunk ring-main unit is all connected by 10kV main cable; Described each trunk ring-main unit peak load is no more than 2MW.
In sum, the utility model following advantage compared to existing technology:
" 3-1 " wiring patterns based on universe urbanization Modern power distribution net of the present utility model is more suitable for the region that load density is higher, line corridor is difficult, the maximum load rate of single time 10kV cable line is higher than the line load rate in Single-ring network and dual-ring network wiring, and the maximum supply power load of 1 sets of lines is between Single-ring network and dual-ring network, can be used as transition wiring patterns, further to Single-ring network, the transition of dual-ring network wiring patterns, as formed 2 groups of Single-ring network wiring as shown in Figure 4, between looped network, interconnector is not as interconnected turn of power supply of each looped network group circuit.
Accompanying drawing explanation
Fig. 1 is the Single-ring network structural representation of prior art.
Fig. 2 is the dual-ring network structural representation of prior art.
Fig. 3 is a kind of " 3-1 " wiring schematic diagram based on universe urbanization Modern power distribution net in the utility model embodiment 1.
Fig. 4 is a kind of " 3-1 " wiring schematic diagram based on universe urbanization Modern power distribution net in the utility model embodiment 2
Fig. 5 is the wiring schematic diagram of the trunk ring-main unit not with interconnection switch in the utility model.
Fig. 6 is the wiring schematic diagram with the trunk ring-main unit H13 of interconnection switch in the utility model embodiment 1.
Fig. 7 is the wiring schematic diagram with the trunk ring-main unit H22 of interconnection switch in the utility model embodiment 1.
Fig. 8 is the wiring schematic diagram with the trunk ring-main unit H13 of interconnection switch in the utility model embodiment 2.
Fig. 9 is that the utility model forms 2 groups of Single-ring network wiring, and between looped network, interconnector does not supply electrical schematic as interconnected turn of each looped network group circuit.
Embodiment
Below in conjunction with embodiment, the utility model is described in more detail.
Embodiment 1
A kind of " 3-1 " wiring patterns based on universe urbanization Modern power distribution net, it is characterized in that: include 3 times 10kV cable lines, often return the wiring patterns of 1 sets of lines that 10kV cable line all has 1 ~ 2 contact point to be formed, the described 10kV cable line that often returns is formed by 3 ~ 4 trunk ring-main units, the described 10kV cable line that often returns all is connected with other cable lines by 1 ~ 2 interconnection switch, described interconnection switch is arranged in trunk ring-main unit, described 1 sets of lines maximum supply power load about 12 ~ 16MW, on average often returning 10kV cable line load factor is 50% ~ 67%, the described trunk ring-main unit with interconnection switch includes block switch and interconnection switch simultaneously, normal motion time section switch is in closure state, interconnection switch is in the state of cut-offfing, the trunk ring-main unit of interconnection switch is had to cut-off state from basic routing line block switch and interconnection switch receiving key.The described 10kV cable line power supply that often returns is all from transformer station; Described trunk ring-main unit is all connected by 10kV main cable; Described each trunk ring-main unit peak load is no more than 2MW.
This example one, 10kV cable line L1, L2, L3 all have 3 trunk ring-main units, and cable line L1 and cable line L2 is got in touch with by trunk ring-main unit H13, and cable line L2 and cable line L3 is got in touch with by trunk ring-main unit H22.Trunk ring-main unit H13 and H22 all respectively comprises 1 interconnection switch and 1 block switch.
This example two, 10kV cable line L1, L2, L3 all have 3 trunk ring-main units, and cable line L1 and cable line L2 is got in touch with by trunk ring-main unit H13, and cable line L1 and cable line L3 is got in touch with by trunk ring-main unit H13.Ring-main unit H13 comprises two interconnection switches and 1 block switch.
In FIG, I is bus I section; II is bus II section; DL is outlet breaker (normally closed); 1 is that ring main unit electric power incoming line 10 switch is normally closed; 2 for ring main unit electric power incoming line 20 switch normally closed/often open.
In fig. 2: I, II, III, IV are respectively bus I section, II section, III section, IV section; DL is outlet breaker (normally closed); 1 is that ring main unit electric power incoming line 10 switch is normally closed; 2 for ring main unit electric power incoming line 20 switch normally closed/often open.
In figure, A, B are respectively transformer station A, transformer station B; L1, L2, L3 are respectively 10kV cable line 1,2,3; H11 ~ H33 is trunk ring-main unit.IN1 is trunk ring-main unit electric power incoming line 10; IN2 is trunk ring-main unit electric power incoming line 20; IN3 is trunk ring-main unit electric power incoming line 30; I is trunk ring-main unit bus I section, and II is trunk ring-main unit bus II section; 1 is that electric power incoming line 10 block switch is normally closed; 2 often open for electric power incoming line 20 interconnection switch; 3 is that mother stock switch is normally closed; 4 is that trunk ring-main unit outlet switch is normally closed; 5 often open for electric power incoming line 30 interconnection switch.
Be more than preferred embodiment of the present utility model, all changes done according to technical solutions of the utility model, when the function produced does not exceed the scope of technical solutions of the utility model, all belong to protection range of the present utility model.
Claims (2)
1. " 3-1 " wiring patterns based on universe urbanization Modern power distribution net, it is characterized in that: include 3 times 10kV cable lines, often return the wiring patterns of 1 sets of lines that 10kV cable line all has 1 ~ 2 contact point to be formed, the described 10kV cable line that often returns is formed by 3 ~ 4 trunk ring-main units, the described 10kV cable line that often returns all is connected with other cable lines by 1 ~ 2 interconnection switch, described interconnection switch is arranged in trunk ring-main unit, described 1 sets of lines maximum supply power load about 12 ~ 16MW, on average often returning 10kV cable line load factor is 50% ~ 67%, the described trunk ring-main unit with interconnection switch includes block switch and interconnection switch simultaneously, normal motion time section switch is in closure state, interconnection switch is in the state of cut-offfing, the trunk ring-main unit of interconnection switch is had to cut-off state from basic routing line block switch and interconnection switch receiving key.
2. " 3-1 " wiring patterns based on universe urbanization Modern power distribution net according to claim 1, is characterized in that: the described 10kV cable line power supply that often returns is all from transformer station; Described trunk ring-main unit is all connected by 10kV main cable; Described each trunk ring-main unit peak load is no more than 2MW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520120134.7U CN204597482U (en) | 2015-03-02 | 2015-03-02 | A kind of " 3-1 " wiring patterns based on universe urbanization Modern power distribution net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520120134.7U CN204597482U (en) | 2015-03-02 | 2015-03-02 | A kind of " 3-1 " wiring patterns based on universe urbanization Modern power distribution net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204597482U true CN204597482U (en) | 2015-08-26 |
Family
ID=53933595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520120134.7U Expired - Fee Related CN204597482U (en) | 2015-03-02 | 2015-03-02 | A kind of " 3-1 " wiring patterns based on universe urbanization Modern power distribution net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204597482U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767204A (en) * | 2015-03-02 | 2015-07-08 | 国家电网公司 | 3-1 wiring mode based on macrocosm urbanization modern power distribution network |
| CN107979090A (en) * | 2017-12-08 | 2018-05-01 | 广州供电局有限公司 | Power distribution network three returns one group of topological structure |
| CN108631312A (en) * | 2018-06-19 | 2018-10-09 | 国网福建省电力有限公司漳州供电公司 | A kind of power distribution network mode of connection |
-
2015
- 2015-03-02 CN CN201520120134.7U patent/CN204597482U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767204A (en) * | 2015-03-02 | 2015-07-08 | 国家电网公司 | 3-1 wiring mode based on macrocosm urbanization modern power distribution network |
| CN107979090A (en) * | 2017-12-08 | 2018-05-01 | 广州供电局有限公司 | Power distribution network three returns one group of topological structure |
| CN108631312A (en) * | 2018-06-19 | 2018-10-09 | 国网福建省电力有限公司漳州供电公司 | A kind of power distribution network mode of connection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103840439B (en) | Main website coordinates the power distribution automation guard method realized with distributed terminal | |
| WO2017166735A1 (en) | Power-grid self-healing system and self-healing logic thereof in 110kv chain power-supply mode | |
| CN103855713A (en) | Power distribution net rack wiring structure | |
| CN105356610A (en) | Configuration method of distribution automation terminal of intelligent power distribution network | |
| CN106374463B (en) | A kind of A+ classes power supply area power distribution network powering mode configuration method | |
| CN103903192B (en) | A kind of method for building up in power distribution network powering mode storehouse | |
| CN110120664B (en) | Intelligent and reliable urban power distribution network grid structure | |
| CN108053116A (en) | A kind of city elasticity distribution network restoration force estimation method | |
| CN103872682A (en) | Switching station feeder line automatic protection method | |
| CN204597482U (en) | A kind of " 3-1 " wiring patterns based on universe urbanization Modern power distribution net | |
| CN204668942U (en) | There is the distribution network structure pattern of high reliability | |
| CN104882883A (en) | 10 KV power distribution network system | |
| CN103872687A (en) | Power distribution network rack wiring structure | |
| CN203942280U (en) | Distribution Network Frame wiring construction | |
| CN103855712A (en) | Power distribution net rack wiring structure | |
| CN205104941U (en) | Electric automobile alternating -current charging stake system based on transformer work load puts and controls | |
| CN106505738A (en) | A kind of distribution power automation terminal method for arranging based on power supply reliability | |
| CN105139081B (en) | A kind of distribution system contact point planing method of high reliability | |
| CN105576811A (en) | Power distribution network adopting four-loop-one-group crossed connection wiring | |
| CN104767204A (en) | 3-1 wiring mode based on macrocosm urbanization modern power distribution network | |
| CN103944166A (en) | Single transformer substation power supply mode set based regional power grid reconstruction method | |
| CN104953562A (en) | Single-ring network tie-line three-power supply structure feeder automatic protection method | |
| Celli et al. | Reference scenarios for Active Distribution System according to ATLANTIDE project planning models | |
| CN202257200U (en) | Stray current measurement and control device and stray current protection system | |
| CN203813438U (en) | Power distribution net rack wiring structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Patentee after: STATE GRID FUJIAN SHISHI POWER SUPPLY CO.,LTD. Patentee after: FUJIAN YONGFU POWER ENGINEERING Co.,Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Patentee before: STATE GRID FUJIAN SHISHI POWER SUPPLY CO.,LTD. Patentee before: FUJIAN YONGFU PROJECT CONSULTANT Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |