CN104752963A - Intelligent low-voltage ring main unit - Google Patents
Intelligent low-voltage ring main unit Download PDFInfo
- Publication number
- CN104752963A CN104752963A CN201510199948.9A CN201510199948A CN104752963A CN 104752963 A CN104752963 A CN 104752963A CN 201510199948 A CN201510199948 A CN 201510199948A CN 104752963 A CN104752963 A CN 104752963A
- Authority
- CN
- China
- Prior art keywords
- main unit
- busbar
- ring main
- voltage ring
- isolation knife
- 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
- 239000012212 insulator Substances 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052802 copper Inorganic materials 0.000 abstract description 7
- 239000010949 copper Substances 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract 7
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011897 real-time detection 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
- H02B1/015—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
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/005—Electrical connection between switchgear cells
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses an intelligent low-voltage ring main unit. The intelligent low-voltage ring main unit comprises a cabinet body, power-supply-side isolation knife switches, load-side isolation knife switches, main busbars, auxiliary busbars, a zero busbar and a backup source, wherein two groups of power supply-side isolation knife switches and load-side isolation knife switches are installed on the cabinet body, the zero busbar is installed on the lower part of the cabinet body by virtue of an insulator device, the main busbars are connected onto the power-supply-side isolation knife switches and the load-side isolation knife switches, each auxiliary busbar is connected with the corresponding main busbar, the upper part of the cabinet body is provided with the backup source. Since three auxiliary busbars are adopted and an electric connection structure for arranging two groups of main busbars between the two isolation knife switches are adopted, the electric circuit design of the low-voltage ring main unit is maximally simplified, the circuit contacts are reduced, the repairing rate is low, the safety is high, the consumption of copper bars of the ring main unit can be reduced, the consumption of the copper bars compared with the that of the copper bars of the traditional low-voltage ring main unit is reduced by 70 percent, the manufacture cost is reduced, and the power supply reliability and economic benefit can be effectively improved.
Description
Technical field
The present invention relates to low voltage ring network cabinet technical field, be specially a kind of intelligent type low-voltage ring main unit.
Background technology
Electric power is one of important energy source of China, and each city of China requires very high to the laying of electric power at present, and because ring main unit is of a great variety, the factors such as erecting bed is complicated, carry out monitoring all to 10KV ring main unit and bring difficulty.In order to solve the problem, the looped network cabinet failure diagnosis device with telecommunication means must be developed, this device can be accomplished to make Current Transformer as power supply, super capacitor is as back-up source, the place that the running status of real-time detection line and fault occur, such as power transmission, power failure, ground connection, short circuit, overcurrent etc.Dispatching terminal server is uploaded to rapidly by cable shielding layer carrier means of communication when circuit running status changes, server by software specialist's system can automatic decision fault may origination point, inform monitor staff and administrative staff, handle it fast, greatly can improve power supply reliability, improve the satisfaction of user.Realize circuit and equipment to run and carry out real time implementation, information system management.
Summary of the invention
The object of the present invention is to provide a kind of intelligent type low-voltage ring main unit, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme: a kind of intelligent type low-voltage ring main unit, comprise cabinet, mains side disconnection switch, load-side disconnection switch, main busbar, secondary busbar, zero busbar and back-up source, described cabinet is provided with two groups of mains side disconnection switch, load-side disconnection switch, described zero busbar is arranged on cabinet bottom by insulator arrangement, described main busbar is connected on mains side disconnection switch and load-side disconnection switch, described pair main mother be connected with main busbar, and described cabinet top is provided with back-up source.
Preferably, described back-up source is also electrically connected with communication module, and described communication module is connected with server communication.
Compared with prior art, the invention has the beneficial effects as follows: this intelligent type low-voltage ring main unit, owing to adopting three secondary busbars, between two disconnection switch, connect the connecting structure for electrical equipment of two groups of main busbars, simplify the electric wiring design of low voltage ring network cabinet to greatest extent, reduce line contacts, maintenance rate is low, and fail safe is high, reduce ring main unit copper bar consumption, the copper bar consumption of contrast conventional low ring main unit can reduce percent 70, reduces manufacturing cost, realizes that ring main unit fault message is long-range, active reporting, determine fault section rapidly, branch and fault point.The capacity of back-up source safeguards system should send time of fault-signal to dispatch server, achieve the intellectuality of low voltage ring network cabinet, the thorough backward way changing in the past regularly line walking or do not monitor, increase work efficiency greatly, shorten interruption duration, effectively improve power supply reliability and economic benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is part-structure block diagram of the present invention.
In figure: 1 mains side disconnection switch, 2 main busbars, 3 load-side disconnection switch, 4 insulators, 5 cabinets, 6 secondary busbars, 7 zero busbars, 8 back-up sources.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-2, the invention provides a kind of technical scheme: a kind of intelligent type low-voltage ring main unit, comprise cabinet 5, mains side disconnection switch 1, load-side disconnection switch 3, main busbar 2, secondary busbar 6, zero busbar 7 and back-up source 8, described cabinet 5 is provided with two groups of mains side disconnection switch 1, load-side disconnection switch 3, described zero busbar 7 is arranged on cabinet 1 bottom by insulator 4 device, described main busbar 2 is connected on mains side disconnection switch 1 and load-side disconnection switch 3, described pair main female 6 is connected with main busbar 2, described cabinet 5 top is provided with back-up source 8, described back-up source 8 is also electrically connected with communication module, described communication module is connected with server communication, described back-up source 8 is super power supply.
Operation principle: by three secondary busbars 6, between two disconnection switch, connect the connecting structure for electrical equipment of two groups of main busbars 2, simplify the electric wiring design of low voltage ring network cabinet to greatest extent, reduce line contacts, maintenance rate is low, fail safe is high, reduce ring main unit copper bar consumption, the copper bar consumption of contrast conventional low ring main unit can reduce percent 70, reduce manufacturing cost, the capacity of back-up source 8 safeguards system should send time of fault-signal to dispatch server, achieve the intellectuality of low voltage ring network cabinet.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalents thereof.
Claims (2)
1. an intelligent type low-voltage ring main unit, comprise cabinet, mains side disconnection switch, load-side disconnection switch, main busbar, secondary busbar, zero busbar and back-up source, it is characterized in that: described cabinet is provided with two groups of mains side disconnection switch, load-side disconnection switch, described zero busbar is arranged on cabinet bottom by insulator arrangement, described main busbar is connected on mains side disconnection switch and load-side disconnection switch, described pair main mother be connected with main busbar, and described cabinet top is provided with back-up source.
2. a kind of intelligent type low-voltage ring main unit according to claim 1, it is characterized in that: described back-up source is also electrically connected with communication module, described communication module is connected with server communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510199948.9A CN104752963A (en) | 2015-04-25 | 2015-04-25 | Intelligent low-voltage ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510199948.9A CN104752963A (en) | 2015-04-25 | 2015-04-25 | Intelligent low-voltage ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104752963A true CN104752963A (en) | 2015-07-01 |
Family
ID=53592256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510199948.9A Pending CN104752963A (en) | 2015-04-25 | 2015-04-25 | Intelligent low-voltage ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104752963A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11398718B2 (en) * | 2018-04-16 | 2022-07-26 | Abb Schweiz Ag | Apparatus for electrically interconnecting two laminated multi-phase busbars and switchgear cabinet including such an apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201133922Y (en) * | 2007-12-24 | 2008-10-15 | 上海市电力公司市东供电公司 | Looped network cabinet failure diagnosis device |
| CN201191715Y (en) * | 2008-05-15 | 2009-02-04 | 陈坚 | Low voltage ring network cabinet |
| CN204179552U (en) * | 2014-06-19 | 2015-02-25 | 王永法 | Intelligent ring main unit |
-
2015
- 2015-04-25 CN CN201510199948.9A patent/CN104752963A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201133922Y (en) * | 2007-12-24 | 2008-10-15 | 上海市电力公司市东供电公司 | Looped network cabinet failure diagnosis device |
| CN201191715Y (en) * | 2008-05-15 | 2009-02-04 | 陈坚 | Low voltage ring network cabinet |
| CN204179552U (en) * | 2014-06-19 | 2015-02-25 | 王永法 | Intelligent ring main unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11398718B2 (en) * | 2018-04-16 | 2022-07-26 | Abb Schweiz Ag | Apparatus for electrically interconnecting two laminated multi-phase busbars and switchgear cabinet including such an apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150701 |