CN208078653U - Double-bus and single busbar mixing wiring high voltage distribution installation - Google Patents

Double-bus and single busbar mixing wiring high voltage distribution installation Download PDF

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Publication number
CN208078653U
CN208078653U CN201820701258.8U CN201820701258U CN208078653U CN 208078653 U CN208078653 U CN 208078653U CN 201820701258 U CN201820701258 U CN 201820701258U CN 208078653 U CN208078653 U CN 208078653U
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China
Prior art keywords
busbar
double
link block
bus
female outlet
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Active
Application number
CN201820701258.8U
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Chinese (zh)
Inventor
李勇
罗磊鑫
黄芬芳
陈霖华
周鲲
沈晓隶
徐志强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Jingyan Electric Power Design Co., Ltd.
State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
Economic and Technological Research Institute of State Grid Hunan Electric Power Co Ltd
Original Assignee
Hunan Transmission & Distribution Investigation Design And Consultation Co Ltd
State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
Economic and Technological Research Institute of State Grid Hunan Electric Power Co Ltd
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Application filed by Hunan Transmission & Distribution Investigation Design And Consultation Co Ltd, State Grid Corp of China SGCC, State Grid Hunan Electric Power Co Ltd, Economic and Technological Research Institute of State Grid Hunan Electric Power Co Ltd filed Critical Hunan Transmission & Distribution Investigation Design And Consultation Co Ltd
Priority to CN201820701258.8U priority Critical patent/CN208078653U/en
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Publication of CN208078653U publication Critical patent/CN208078653U/en
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Abstract

The utility model provides a kind of double-bus and single busbar mixing wiring high voltage distribution installation, including the first busbar, the second busbar, wire inlet unit, outgoing line unit and bus contact unit;The main transformer of wire inlet unit is connect with the end of incoming cables of inlet wire link block, and two leading-out terminals of inlet wire link block are connected with the first busbar and the second busbar respectively;Two ends of incoming cables of double female outlet link blocks of outgoing line unit are connected with the first busbar and the second busbar respectively, and the leading-out terminal of double mother's outlet link blocks is connected with double female outlet modules;The end of incoming cables of single female outlet link block of outgoing line unit is connected with the first busbar or the second busbar, and the leading-out terminal of single mother's outlet link block is connected with single female outlet module;Bus contact unit one end is connected with the first busbar, and the other end is connected with the second busbar.Investment and operation and maintenance cost is greatly saved but also with the economy of single bus scheme mode in reliability and the flexibility that the utility model had both had double-bus.

Description

Double-bus and single busbar mixing wiring high voltage distribution installation
Technical field
The utility model is related to technical field of electric power more particularly to a kind of double-bus and single busbar mixing wiring high voltage power distributions Device.
Background technology
As electric network composition is more and more stronger, the substantially substation of voltage levels there are two power supply, if only one A power supply, then when mains side maintenance or failure, substation has a power failure, and seriously affects the electricity consumption of user.But 35-66kV at present The substation of voltage class, especially some backwoodsman substations, network is simple, transmission distance farther out, it is difficult to ensure that two Power supply power supply is returned, therefore, it is necessary to take measures to ensure in upper level substation and transmission line of electricity and improve the electric power loop Safety and reliability.
In the prior art, high voltage substation power distribution equipment generally uses single bus scheme mode or double bus scheme side Formula.
Fig. 1 shows that single bus scheme mode, the program include single busbar 11, main transformer inlet wires 12, an outlets 13 and go out Line 14.On main transformer inlet wire 12, main transformer inlet wire 12 is by inlet wire link block 15 (by the breaker and disconnecting switch being sequentially connected in series Constitute) it is connected on single busbar 11, outlet 13 and outlet 14 are then respectively by outlet link block 16 (by the isolation being sequentially connected in series Switch and breaker are constituted) it is connected on single busbar 11.In such scheme, if when bus-bar fault or maintenance, owning on busbar Circuit must have a power failure, and seriously affect the reliability of circuit.
Fig. 2 shows double bus scheme mode, the program includes busbar 21, the mother of main transformer inlet wire 23, one of busbar 22, one Line contact interval 24, outlet 25 and outlet 26.Main transformer inlet wire 23 and inlet wire link block 27 (by the breaker that is sequentially connected in series and every Leave close constitute) end of incoming cables be connected, two leading-out terminals of inlet wire link block 27 are connect with busbar 21 and busbar 22 respectively, are gone out Line 25 is connected with the leading-out terminal of outlet link block 28, and outlet link block 28 is (by the disconnecting switch and breaker being sequentially connected in series Constitute) two ends of incoming cables connect respectively with busbar 21 and busbar 22, outlet 26 and outlet link block 29 are (by what is be sequentially connected in series Disconnecting switch and breaker are constituted) leading-out terminal be connected, two ends of incoming cables of outlet link block 29 respectively with busbar 21 and mother Line 22 connects, and bus tie cell 24 (being made of breaker and disconnecting switch) is for connecting busbar 21 and busbar 22.Such In scheme, when any one failure in busbar 21 and busbar 22 or maintenance, each change electric appliance and outlet can switch to another just The busbar often run continues to power.In such scheme, need for per primary Ioops increase bus isolating switch, project cost compared with Height, maintenance difficulty are larger.
Utility model content
In order to solve the above-mentioned problems in the prior art, the utility model provides a kind of double-bus and single busbar is mixed Splice grafting line high voltage distribution installation, combine single bus scheme mode economy and double bus scheme mode reliability and flexibly Property.
The utility model provides a kind of double-bus and single busbar mixing wiring high voltage distribution installation, including:First busbar, Second busbar, wire inlet unit, outgoing line unit and bus contact unit;
Wherein, the wire inlet unit includes main transformer and inlet wire link block;
The inlet wire link block is made of the breaker and disconnecting switch being sequentially connected in series, and has an end of incoming cables and two Leading-out terminal;
The outgoing line unit includes double female outlet modules, double female outlet link blocks, single female outlet module and single female outlet Link block;
Double female outlet link block is made of the disconnecting switch and breaker being sequentially connected in series, have two ends of incoming cables and One leading-out terminal;
Single female outlet link block is made of the disconnecting switch and breaker being sequentially connected in series, have one into electric end and One leading-out terminal;
The bus contact unit is made of the network interconnecting circuit and disconnecting switch being sequentially connected in series;
The main transformer is connect with the end of incoming cables of inlet wire link block, two leading-out terminals of inlet wire link block respectively with First busbar and the second busbar are connected;
Two ends of incoming cables of double female outlet link blocks are connected with the first busbar and the second busbar respectively, and double mothers go out The leading-out terminal of line link block is connected with double female outlet modules;
The end of incoming cables of single female outlet link block is connected with the first busbar or the second busbar, and single mother's outlet connects mould The leading-out terminal of block is connected with single female outlet module;
Bus contact unit one end is connected with the first busbar, and the other end is connected with the second busbar.
A kind of double-bus provided by the utility model and single busbar mixing wiring high voltage distribution installation, connect using by single busbar The mode of connection that line mode and double bus scheme mode are combined, to improve the economy of power distribution equipment, while also being improved The reliability of power distribution equipment and flexibility.Because inlet wire link block is female with the first busbar and second simultaneously by main transformer Line is connected, so, inlet wire link block includes at least an end of incoming cables and two leading-out terminals, one of leading-out terminal and first Busbar is connected, another leading-out terminal is connected with the second busbar.Two leading-out terminals can be separately adjustable, does not influence respectively, you can To connect the first busbar and the second busbar simultaneously, one in two busbares can also be only connected.It is double mother outlet link blocks with Inlet wire link block is similar, includes at least two ends of incoming cables, is connected respectively with the first busbar and the second busbar.
Further, double female outlet module numbers and double female outlet link block quantity are at least one.
Further, single female outlet module number and single female outlet link block quantity are at least one.
Further, the quantity of the wire inlet unit is at least one.
In order to adapt to the complex situations in power grid application, a kind of double-bus provided by the utility model is mixed with single busbar to be connect Modules quantity in the outgoing line unit of line high voltage distribution installation is unlimited, and each mould can flexibly be arranged according to actual conditions The number of block need to only ensure that double female outlet module numbers are equal with double female outlet link block quantity, single mother's outlet module number It is equal with single female outlet link block quantity.
Further, the voltage class of first busbar and the second busbar be 35kV, 66kV, 110kV, 220kV, 330kV or 500kV.
Device provided by the utility model have well adapting to property, can be suitable for various voltage class, such as 35kV, 66kV, 110kV, 220kV, 330kV or 500kV.
Advantageous effect
The utility model provides a kind of double-bus and single busbar mixing wiring high voltage distribution installation, both ensure that transformer Two sections of busbares can be accessed simultaneously with outlet, are had reliability and the flexibility of double-bus, are in turn simplified the wiring in other circuits Mode saves project cost, has to reduce double bus scheme mode median generatrix side breaker and disconnecting switch quantity The economy of single bus scheme mode.Meanwhile the double bus scheme side of mixing wiring high voltage distribution installation than in the prior art Investment and operation and maintenance cost is greatly saved in the high voltage distribution installation of formula.And device provided by the utility model, it can be uniform The load of every section of busbar is distributed, cumbersome grid switching operation is not necessarily to, reduces the workload of maintenance operation personnel.
Description of the drawings
Fig. 1 is single bus scheme schematic diagram in the prior art;
Fig. 2 is double bus scheme schematic diagram in the prior art;
Fig. 3 is the knot of a kind of double-bus and single busbar mixing wiring high voltage distribution installation that the utility model embodiment provides Structure schematic diagram.
Specific implementation mode
In order to facilitate the content of the utility model is understood, the embodiment of the utility model is carried out with reference to specific embodiment It is expanded on further.
Fig. 3 is the knot of a kind of double-bus and single busbar mixing wiring high voltage distribution installation that the utility model embodiment provides Structure schematic diagram, in the present embodiment, including the first busbar 101, the second busbar 102, wire inlet unit 200, outgoing line unit 300 and mother Line gets in touch with unit 400.
Wherein, wire inlet unit 200 includes main transformer 201 and inlet wire link block 202;Outgoing line unit 300 includes double female Single 303, the first single mother's outlet link block 304 of female outlet module of outlet module 301, double mother's outlet link blocks 302, first, Second single female outlet module, 305 and second single mother's outlet link block 306.
Further, the voltage class of first busbar and the second busbar be 35kV, 66kV, 110kV, 220kV, 330kV or 500kV.Device provided by the utility model has well adapting to property, can be suitable for various voltage class, such as 35kV, 66kV, 110kV, 220kV, 330kV or 500kV.
Specifically, main transformer 201 is connect with the end of incoming cables of inlet wire link block 202, the two of inlet wire link block 202 A leading-out terminal is connected with the first busbar 101 and the second busbar 102 respectively;Two ends of incoming cables of 302 pairs of female outlet link blocks It is connected respectively with the first busbar 101 and the second busbar 102, the leading-out terminal of double mother's outlet link blocks 302 and double female wire finishing dies Block 301 is connected;The end of incoming cables of first single female outlet link block 304 is connected with the first busbar 101, and first single female outlet connects The leading-out terminal of connection module 304 is connected with first single female outlet module 303;The end of incoming cables of second single female outlet link block 306 It is connected with the second busbar 102, the leading-out terminal of second single female outlet link block 306 is connected with second single female outlet module 305 It connects;One end of bus contact unit 400 is connected with the first busbar 101, and the other end is connected with the second busbar 102.
First busbar and the second busbar are arranged in parallel by the present embodiment, bus contact unit are rationally arranged, by wire inlet unit Busbar is accessed using double female modes of connection, outgoing line unit is accessed into busbar using double female modes of connection and single female mode of connection, from And form a kind of high voltage distribution installation mixing the mode of connection with single busbar using double-bus.
When the first busbar 101 overhauls, above-mentioned each unit operates in accordance with the following steps:
The first step:It is closed the network interconnecting circuit and disconnecting switch of bus contact unit 400, connects the first busbar 101 and the Two busbares 102;
Second step:The breaker and disconnecting switch for adjusting inlet wire link block 202, make main transformer 201 and the second busbar 102 are connected, while the connection of main transformer 201 and the first busbar 101 being made to disconnect;
Third walks:The breaker and disconnecting switch for adjusting double female outlet link blocks 302, make double female outlet modules 301 with Second busbar 102 is connected, while the connection of double female outlet modules 301 and the first busbar 101 being made to disconnect;
4th step:Adjust first single female outlet link block, 304 and second single female outlet link block 306 breaker and Disconnecting switch makes first single female outlet module 303 and the connection of the first busbar 101 disconnect, make second single female outlet module 305 and Second busbar 102 is connected;
5th step:The network interconnecting circuit and disconnecting switch for disconnecting bus contact unit 400 cut off the first busbar 101 and the The connection of two busbares 102;
6th step:First busbar 101 is overhauled.
When needing to overhaul the second busbar 102, operating procedure is similar to the above, and details are not described herein.
Double-bus provided by the utility model and single busbar mixing wiring high voltage distribution installation both ensure that single supply was powered Circuit can access two sections of busbares simultaneously, have reliability and the flexibility of double-bus, in turn simplify the wiring side in other circuits Formula saves project cost to reduce bus bar side breaker and disconnecting switch quantity, has the warp of single bus scheme mode Ji property.Meanwhile the high voltage distribution installation of the double bus scheme mode of mixing wiring high voltage distribution installation than in the prior art is big Save investment and operation and maintenance cost greatly.And device provided by the utility model, the load of every section of busbar can be evenly distributed, Without cumbersome grid switching operation, the workload of maintenance operation personnel is reduced.
The above description is only the embodiments of the present invention, is not intended to limit the utility model, all in this practicality Within novel spirit and principle, change, equivalent replacement, improvement etc., should be included in the protection model of the utility model Within enclosing.

Claims (5)

1. a kind of double-bus and single busbar mixing wiring high voltage distribution installation, which is characterized in that including:First busbar, the second mother Line, wire inlet unit, outgoing line unit and bus contact unit;
Wherein, the wire inlet unit includes main transformer and inlet wire link block;
The inlet wire link block is made of the breaker and disconnecting switch being sequentially connected in series, and has an end of incoming cables and two outlets End;
The outgoing line unit is connected including double female outlet modules, double female outlet link blocks, single mother's outlet module with single female outlet Module;
Double female outlet link blocks are made of the disconnecting switch and breaker being sequentially connected in series, and have two ends of incoming cables and one Leading-out terminal;
Single female outlet link block is made of the disconnecting switch and breaker being sequentially connected in series, and has one into electric end and one Leading-out terminal;
The bus contact unit is made of the network interconnecting circuit and disconnecting switch being sequentially connected in series;
The main transformer is connect with the end of incoming cables of inlet wire link block, and two leading-out terminals of inlet wire link block are respectively with first Busbar and the second busbar are connected;
Two ends of incoming cables of double female outlet link blocks are connected with the first busbar and the second busbar respectively, and double mother's outlets connect The leading-out terminal of connection module is connected with double female outlet modules;
The end of incoming cables of single female outlet link block is connected with the first busbar or the second busbar, single mother's outlet link block Leading-out terminal is connected with single female outlet module;
Bus contact unit one end is connected with the first busbar, and the other end is connected with the second busbar.
2. the apparatus according to claim 1, which is characterized in that double female outlet module numbers connect mould with double female outlets Number of blocks is at least one.
3. the apparatus according to claim 1, which is characterized in that single female outlet module number connects mould with single female outlet Number of blocks is at least one.
4. the apparatus according to claim 1, which is characterized in that the quantity of the wire inlet unit is at least one.
5. the apparatus according to claim 1, which is characterized in that the voltage class of first busbar and the second busbar is 35kV, 66kV, 110kV, 220kV, 330kV or 500kV.
CN201820701258.8U 2018-05-11 2018-05-11 Double-bus and single busbar mixing wiring high voltage distribution installation Active CN208078653U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820701258.8U CN208078653U (en) 2018-05-11 2018-05-11 Double-bus and single busbar mixing wiring high voltage distribution installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820701258.8U CN208078653U (en) 2018-05-11 2018-05-11 Double-bus and single busbar mixing wiring high voltage distribution installation

Publications (1)

Publication Number Publication Date
CN208078653U true CN208078653U (en) 2018-11-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111884242A (en) * 2020-07-23 2020-11-03 天津大学 Multi-bus network topological structure of distributed electric energy system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111884242A (en) * 2020-07-23 2020-11-03 天津大学 Multi-bus network topological structure of distributed electric energy system

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Address after: 410007 Shaoshan North Road, Changsha, Hunan 388

Co-patentee after: Hunan Jingyan Electric Power Design Co., Ltd.

Patentee after: State Grid Hunan Electric Power Co., Ltd.

Co-patentee after: State Grid Hunan Electric Power Co., Ltd. Institute of economics and technology

Co-patentee after: State Grid Corporation of China

Address before: 410007 Shaoshan North Road, Changsha, Hunan 388

Co-patentee before: Hunan Transmission & Distribution Investigation Design and Consultation Co., Ltd.

Patentee before: State Grid Hunan Electric Power Co., Ltd.

Co-patentee before: State Grid Hunan Electric Power Co., Ltd. Institute of economics and technology

Co-patentee before: State Grid Corporation of China