CN204118486U - A kind of power distribution main electrical scheme system - Google Patents
A kind of power distribution main electrical scheme system Download PDFInfo
- Publication number
- CN204118486U CN204118486U CN201420615595.7U CN201420615595U CN204118486U CN 204118486 U CN204118486 U CN 204118486U CN 201420615595 U CN201420615595 U CN 201420615595U CN 204118486 U CN204118486 U CN 204118486U
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- power
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- metering device
- electric power
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- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
Abstract
A kind of power distribution main electrical scheme system described in the utility model, comprise electric power incoming line cabinet, metering device and power outlet cabinet, the end of incoming cables of described electric power incoming line cabinet is connected with external power source, the leading-out terminal of electric power incoming line cabinet is connected with metering device end of incoming cables through bus, the leading-out terminal of described metering device is connected through the end of incoming cables of bus with power outlet cabinet, and the leading-out terminal of power outlet cabinet is connected with high voltage side of transformer.Electrical power distribution system described in the utility model, adds metering device, improves power distribution network operational flexibility, improves power supply environment, meets block supply examination demand simultaneously; By installing management terminal device in metering device, convenient while pre-mounted box type transformer substation runs, unified management is carried out to the examination of region distribution load, thus improves power supplying efficiency and power supply quality.
Description
Technical field
The utility model relates to public compensation technical field, particularly a kind of power distribution main electrical scheme system.
Background technology
Pre-mounted box type transformer substation integrates high-tension switch cabinet, transformer, low-tension switch cabinet, and the preassembled transformer station assembled in manufactory.Have that complete property is strong, volume is little, take up an area less, load center can be goed deep into, improve power supply quality, reduce line loss, shorten the power transmission cycle, select flexible, strong to environmental suitability, easy for installation, the safe and reliable to operation and series of advantages such as small investment and instant effect; So pre-mounted box type transformer substation has the wide scope of application, it is applicable to the public distribution in city, skyscraper, residential quarters, park, highway etc., is also applicable to oil field, industrial and mining enterprises and construction site etc.In 10 kilovolts of high-pressure sides of pre-mounted box type transformer substation, usually adopt 10 kilovolts of incoming line switch cabinets and an outgoing line cabinet, form a complete primary distribution system.But this distribution system cannot meet electricity distributing and metering requirement, cause whole power distribution network to run underaction convenient, make troubles to the examination of region distribution load.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of power distribution main electrical scheme system, and this system can meet electricity distributing and metering requirement, improves power distribution network operational flexibility, improves power supply environment, meets block supply examination demand simultaneously.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of power distribution main electrical scheme system, comprise electric power incoming line cabinet, metering device and power outlet cabinet, the end of incoming cables of described electric power incoming line cabinet is connected with external power source, the leading-out terminal of electric power incoming line cabinet is connected with metering device end of incoming cables through bus, the leading-out terminal of described metering device is connected through the end of incoming cables of bus with power outlet cabinet, and the leading-out terminal of power outlet cabinet is connected with high voltage side of transformer, described electric power incoming line cabinet is by the first electrification display, lightning arrester and the first on-load switch composition, described metering device is by current transformer, second electrification display, first fuse and voltage transformer composition, described first electrification display and lightning arrester are connected on the end of incoming cables in electric power incoming line cabinet, first on-load switch is connected between bus and end of incoming cables, described voltage transformer is successively through the first fuse, current transformer is connected on the bus between electric power incoming line cabinet and metering device, described second electrification display is connected between current transformer and the first fuse, described power outlet cabinet is by bearing molten switching device and the 3rd electrification display forms, the end of incoming cables of this negative molten switching device is connected with the first fuse through bus, the leading-out terminal of negative molten switching device is connected with high voltage side of transformer through the 3rd electrification display.
Described negative molten switching device is formed by connecting through fixing mechanical latching logical relation by the second on-load switch, earthed switch and the second fuse.
A load management terminal device is also connected with between described current transformer and voltage transformer.
The beneficial effects of the utility model are:
1, electrical power distribution system described in the utility model, adds metering device, improves power distribution network operational flexibility, improves power supply environment, meets block supply examination demand simultaneously.
2, by installing management terminal device in metering cabinet, convenient while pre-mounted box type transformer substation runs, unified management is carried out to the examination of region distribution load, thus improves power supplying efficiency and power supply quality.
3, the incoming line cabinet included by power distribution main electrical scheme system described in the utility model, metering device, outgoing line cabinet form complete primary distribution system, make pre-mounted box type transformer substation flexibility and reliability, adaptable feature more outstanding.
Accompanying drawing explanation
Fig. 1 is system diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model will be further described.
As shown in Figure 1, the power distribution main electrical scheme system of the present embodiment, comprise electric power incoming line cabinet 1, metering device 2 and power outlet cabinet 3, the end of incoming cables of electric power incoming line cabinet 1 is connected with external power source, the leading-out terminal of electric power incoming line cabinet 1 is connected with metering device 2 end of incoming cables through bus, the leading-out terminal of metering device 2 is connected through the end of incoming cables of bus with power outlet cabinet 3, and the leading-out terminal of power outlet cabinet 3 is connected with high voltage side of transformer, electric power incoming line cabinet 1 is by the first electrification display 11, lightning arrester 12 and the first on-load switch 13 form, metering device 2 is by current transformer 21, second electrification display 22, first fuse 23 and voltage transformer 24 form, first electrification display 11 and lightning arrester 12 are connected on the end of incoming cables in electric power incoming line cabinet 1, first on-load switch 13 is connected between bus and end of incoming cables, voltage transformer 24 is successively through the first fuse 23, current transformer 21 is connected on the bus between electric power incoming line cabinet 1 and metering device 2, second electrification display 22 is connected between current transformer 21 and the first fuse 23, power outlet cabinet 3 is made up of negative molten switching device 31 and the 3rd electrification display 32, the end of incoming cables of this negative molten switching device 31 is connected with the first fuse 23 through bus, the leading-out terminal of negative molten switching device 31 is connected with high voltage side of transformer through the 3rd electrification display 32.
Further, negative molten switching device 31 is formed by connecting through fixing mechanical latching logical relation by the second on-load switch, earthed switch and the second fuse; A load management terminal device 4 is also connected with between current transformer 21 and voltage transformer 24.
Electrical power distribution system described in the utility model, adds metering device, improves power distribution network operational flexibility, improves power supply environment, meets block supply examination demand simultaneously.By installing management terminal device in metering device, convenient while pre-mounted box type transformer substation runs, unified management is carried out to the examination of region distribution load, thus improves power supplying efficiency and power supply quality.Incoming line cabinet in the present embodiment included by power distribution main electrical scheme system, metering cabinet, outgoing line cabinet form complete primary distribution system, make pre-mounted box type transformer substation flexibility and reliability, adaptable feature more outstanding.
Claims (3)
1. a power distribution main electrical scheme system, it is characterized in that: comprise electric power incoming line cabinet (1), metering device (2) and power outlet cabinet (3), the end of incoming cables of described electric power incoming line cabinet (1) is connected with external power source, the leading-out terminal of electric power incoming line cabinet (1) is connected with metering device (2) end of incoming cables through bus, the leading-out terminal of described metering device (2) is connected through the end of incoming cables of bus with power outlet cabinet (3), and the leading-out terminal of power outlet cabinet (3) is connected with high voltage side of transformer, described electric power incoming line cabinet (1) is by the first electrification display (11), lightning arrester (12) and the first on-load switch (13) composition, described metering device (2) is by current transformer (21), second electrification display (22), first fuse (23) and voltage transformer (24) composition, described first electrification display (11) and lightning arrester (12) are connected on the end of incoming cables in electric power incoming line cabinet (1), first on-load switch (13) is connected between bus and end of incoming cables, described voltage transformer (24) is successively through the first fuse (23), current transformer (21) is connected on the bus between electric power incoming line cabinet (1) and metering device (2), described second electrification display (22) is connected between current transformer (21) and the first fuse (23), described power outlet cabinet (3) is made up of negative molten switching device (31) and the 3rd electrification display (32), the end of incoming cables of this negative molten switching device (31) is connected with the first fuse (23) through bus, the leading-out terminal of negative molten switching device (31) is connected with high voltage side of transformer through the 3rd electrification display (32).
2. a kind of power distribution main electrical scheme system according to claim 1, is characterized in that: described negative molten switching device (31) is formed by connecting through fixing mechanical latching logical relation by the second on-load switch, earthed switch and the second fuse.
3. a kind of power distribution main electrical scheme system according to claim 2, is characterized in that: be also connected with a load management terminal device (4) between described current transformer (21) and voltage transformer (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420615595.7U CN204118486U (en) | 2014-10-23 | 2014-10-23 | A kind of power distribution main electrical scheme system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420615595.7U CN204118486U (en) | 2014-10-23 | 2014-10-23 | A kind of power distribution main electrical scheme system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204118486U true CN204118486U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420615595.7U Expired - Fee Related CN204118486U (en) | 2014-10-23 | 2014-10-23 | A kind of power distribution main electrical scheme system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204118486U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319639A (en) * | 2014-10-23 | 2015-01-28 | 国家电网公司 | Power distribution main wiring system |
-
2014
- 2014-10-23 CN CN201420615595.7U patent/CN204118486U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319639A (en) * | 2014-10-23 | 2015-01-28 | 国家电网公司 | Power distribution main wiring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20191023 |