CN202940470U - Double-bus wiring system - Google Patents
Double-bus wiring system Download PDFInfo
- Publication number
- CN202940470U CN202940470U CN2012206208813U CN201220620881U CN202940470U CN 202940470 U CN202940470 U CN 202940470U CN 2012206208813 U CN2012206208813 U CN 2012206208813U CN 201220620881 U CN201220620881 U CN 201220620881U CN 202940470 U CN202940470 U CN 202940470U
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- Prior art keywords
- bus
- bus bar
- circuit breaker
- double
- breaker
- 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 - Lifetime
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- 229910018503 SF6 Inorganic materials 0.000 claims description 3
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 3
- 229960000909 sulfur hexafluoride Drugs 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses a double-bus wiring system, comprising a first operating bus, a standby operating bus, a breaker connected between the first operating bus and the standby operating bus, two disconnecting switches respectively disposed on two sides of the breaker, and power utilization units which are connected with the first operating bus and the standby operating bus. Each disconnecting switch is connected with the first operating bus and the standby operating bus. The technical scheme has the following advantages: (1) reliable power supply, power is continuously supplied to users when any bus is being maintained; (2) flexible operation control, forming different operation methods through switching operation; (3) easy extension, expanding towards left and right sides of the double-bus, and free combination of power supplies and loads would not be influenced.
Description
Technical field
The utility model relates to the distribution network technical field, is specifically related to a kind of double bus scheme system.
Background technology
The line voltage grade: the following electric pressure of 60kV level is called distribution voltage; The 110kV-220kV electric pressure is called high pressure;
The 330kV-750kV electric pressure is called superhigh pressure; 1000kV level above is called ultra high voltage.The definition of power transmission and distribution is, between the backbone network that numerous power supply points and supply terminals are coupled together and different electrical network mutually the networking rack of power transmission power be called power transmission network; Within service area, be power distribution network with distributing electric power to the electrical network that the user also directly serves for the user.
The citation form of primary wiring of transformer substation: the electrical main connecting wire of electric substation by electric equipments such as transformer, circuit breaker, isolating switch, instrument transformer, bus and cables, connects, in certain sequence in order to represent the circuit of Matter production and allocation electric energy.Be called again primary connection.
Existing supply power mode comprises, single-trunk segmental wiring (single bus with twosections), and advantage: sectional overhauls bus and bus isolating switch, reduces the coverage of busbar fault; Shortcoming: during the wire-outgoing breaker maintenance, this outlet has a power failure.Operational mode: when normally moving, section breaker DQF disconnects (1).Automatic throw-in equipment of emergency power supply also is housed on DQF, and when arbitrary power supply dead electricity, after power circuit breaker disconnected, DQF connected automatically, guaranteed the continuation power supply of whole circuits; When (2) normally moving, DQF connects, arbitrary busbar fault, and DQF disconnects, and guarantees that non-faulty section bus can work.
The utility model content
The utility model has overcome the deficiencies in the prior art, and the double bus scheme system is provided, and when solving the arbitrary bus of maintenance, can not stop the technical problem of power supply continuously to the user.
Consider the problems referred to above of prior art, according to an aspect of the present utility model, for solving above-mentioned technical problem, the utility model by the following technical solutions:
A kind of double bus scheme system comprises:
The first working bus bar;
Standby working bus bar is connected with circuit breaker between described the first working bus bar and standby working bus bar;
Isolating switch, described isolating switch is two, is separately positioned on the both sides of described circuit breaker, each isolating switch and the first working bus bar be connected working bus bar and be connected;
Power unit, this power unit and described the first working bus bar be connected working bus bar and be connected.
In order to realize better the utility model, further technical scheme is:
In one of them embodiment of the present utility model, described circuit breaker is bus-tie circuit breaker.
The utility model can also be:
In one of them embodiment of the present utility model, described circuit breaker is a kind of in oil circuit breaker, sulfur hexafluoride breaker, vacuum circuit-breaker, compressed-air circuit breaker.
Compared with prior art, one of the beneficial effects of the utility model are:
In the technical solution of the utility model:
(1) power supply is reliable;
When a. overhauling arbitrary bus, can not stop the user being powered continuously.
For example, the service work bus can be with all power and line switching to auxiliary bus-bar.
Operating procedure:
1. the isolating switch of bus both sides that first closes, then the bus that closes, to the auxiliary bus-bar charging, this moment two groups of bus equipotentials.
2. then according to ' make-before-break ' operating sequence, first connect the isolating switch on auxiliary bus-bar, then disconnect the isolating switch on working bus bar.
3. after completing the bus switching, last cut-off breaker and its both sides isolating switch can overhaul the first working bus bar.
B. overhaul arbitrary group of isolating switch, only need to disconnect loop under this isolating switch and this group bus of being connected of isolating switch therewith, other circuit all can be organized bus continuation by another and move.
C. overhaul arbitrary wire-outgoing breaker, only need to have a power failure in short-term.
(2) traffic control is flexible.
Can form different running method by grid switching operation.
A. sectionalized single busbar connection operation;
Bus is closed, and two groups of buses move simultaneously, and line is connected on respectively on two groups of buses.
B. be equivalent to single bus-bar operation;
Bus disconnects, one group of bus operation, and another group bus is standby, and all line is connected on the operation bus.
(3) be easy to enlarging;
To double-bus left and right sides enlarging, all can not affect the independent assortment of two groups of bus power sources and load.
Description of drawings
For clearer explanation present specification embodiment or technical scheme of the prior art, the below will do simple the introduction to the accompanying drawing of required use in the description of embodiment or prior art, apparently, the accompanying drawing that the following describes is only the reference to some embodiment in present specification, for those skilled in the art, in the situation that do not pay creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 shows the principle schematic according to the double bus scheme system of an embodiment of the utility model.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but execution mode of the present utility model is not limited to this.
Fig. 1 shows the principle schematic according to the double bus scheme system of an embodiment of the utility model.An embodiment with reference to a kind of double bus scheme shown in Figure 1 system comprises:
The first working bus bar 1;
Standby working bus bar 2 is connected with circuit breaker CQF between described the first working bus bar 1 and standby working bus bar 2;
Isolating switch 3, described isolating switch 3 is two, is separately positioned on the both sides of described circuit breaker CQF, each isolating switch 3 and the first working bus bar 1 be connected working bus bar 2 and be connected;
Power unit 4, this power unit 4 and described the first working bus bar 1 be connected working bus bar 2 and be connected.
Described circuit breaker CQF is bus-tie circuit breaker.
Described circuit breaker CQF also can select a kind of in oil circuit breaker, sulfur hexafluoride breaker, vacuum circuit-breaker, compressed-air circuit breaker in other embodiments.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that between each embodiment, identical similar part cross-references gets final product.
" embodiment " who speaks of in this manual, " another embodiment ", " embodiment ", etc., refer to specific features, structure or the characteristics described in conjunction with this embodiment and be included at least one embodiment that the application's generality describes.A plurality of local appearance statement of the same race is not necessarily to refer to same embodiment in specification.Furthermore, when describing a specific features, structure or characteristics in conjunction with arbitrary embodiment, what advocate is to realize that in conjunction with other embodiment this feature, structure or characteristics also drop in scope of the present utility model.
Although with reference to a plurality of explanatory embodiment of the present utility model, the utility model is described here, but, should be appreciated that, those skilled in the art can design a lot of other modification and execution modes, and these are revised and within execution mode will drop on the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to building block and/or the layout of subject combination layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes will be also obvious.
Claims (3)
1. a double bus scheme system, is characterized in that, comprising:
The first working bus bar;
Standby working bus bar is connected with circuit breaker between described the first working bus bar and standby working bus bar;
Isolating switch, described isolating switch is two, is separately positioned on the both sides of described circuit breaker, each isolating switch and the first working bus bar be connected working bus bar and be connected;
Power unit, this power unit and described the first working bus bar be connected working bus bar and be connected.
2. double bus scheme according to claim 1 system, is characterized in that, described circuit breaker is bus-tie circuit breaker.
3. double bus scheme according to claim 1 and 2 system, is characterized in that, described circuit breaker is a kind of in oil circuit breaker, sulfur hexafluoride breaker, vacuum circuit-breaker, compressed-air circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206208813U CN202940470U (en) | 2012-11-22 | 2012-11-22 | Double-bus wiring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206208813U CN202940470U (en) | 2012-11-22 | 2012-11-22 | Double-bus wiring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202940470U true CN202940470U (en) | 2013-05-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206208813U Expired - Lifetime CN202940470U (en) | 2012-11-22 | 2012-11-22 | Double-bus wiring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202940470U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106463916A (en) * | 2014-04-25 | 2017-02-22 | 金美来 | Household distribution box for forcible power interruption and forcible power interruption system |
| CN106451087A (en) * | 2016-07-12 | 2017-02-22 | 四川电器集团股份有限公司 | 12kV double bus switchgear control system and switching control method |
| CN108667021A (en) * | 2018-08-02 | 2018-10-16 | 南方电网科学研究院有限责任公司 | Wiring system based on regular graph |
| CN110148933A (en) * | 2019-04-30 | 2019-08-20 | 国网河北省电力有限公司邢台供电分公司 | The more bus DC micro-electric planar network architectures of multiple-unit and Sub-region and hierarchical intelligence control system |
-
2012
- 2012-11-22 CN CN2012206208813U patent/CN202940470U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106463916A (en) * | 2014-04-25 | 2017-02-22 | 金美来 | Household distribution box for forcible power interruption and forcible power interruption system |
| CN106463916B (en) * | 2014-04-25 | 2018-10-26 | 金美来 | It forces power-off Domestic distributing box and forces power-off system |
| CN106451087A (en) * | 2016-07-12 | 2017-02-22 | 四川电器集团股份有限公司 | 12kV double bus switchgear control system and switching control method |
| CN108667021A (en) * | 2018-08-02 | 2018-10-16 | 南方电网科学研究院有限责任公司 | Wiring system based on regular graph |
| CN108667021B (en) * | 2018-08-02 | 2024-04-16 | 南方电网科学研究院有限责任公司 | Wiring system based on regular graph |
| CN110148933A (en) * | 2019-04-30 | 2019-08-20 | 国网河北省电力有限公司邢台供电分公司 | The more bus DC micro-electric planar network architectures of multiple-unit and Sub-region and hierarchical intelligence control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130515 |
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| CX01 | Expiry of patent term |