CN105742968A - Connection mode of high and medium-voltage electrical devices - Google Patents

Connection mode of high and medium-voltage electrical devices Download PDF

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Publication number
CN105742968A
CN105742968A CN201410763356.0A CN201410763356A CN105742968A CN 105742968 A CN105742968 A CN 105742968A CN 201410763356 A CN201410763356 A CN 201410763356A CN 105742968 A CN105742968 A CN 105742968A
Authority
CN
China
Prior art keywords
electrical equipment
phase outlet
electrical devices
bus
homophase
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
Application number
CN201410763356.0A
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Chinese (zh)
Inventor
包红旗
汪彦
张闪
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.)
China Power New Energy Smart Grid Technology Co Ltd
Original Assignee
China Power New Energy Smart Grid Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Power New Energy Smart Grid Technology Co Ltd filed Critical China Power New Energy Smart Grid Technology Co Ltd
Priority to CN201410763356.0A priority Critical patent/CN105742968A/en
Publication of CN105742968A publication Critical patent/CN105742968A/en
Pending legal-status Critical Current

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Abstract

Disclosed is a connection mode of high and medium-voltage electrical devices. Same-phase outlet wire sleeves of different electrical devices are directly connected through respective phase outlet wires, respective lead-out sleeves of the electrical devices are respectively disposed at different space planes, the same-phase outlet wire sleeves, which are directly connected, between the different electrical devices are disposed at the same space horizontal plane, and the distances formed by connecting the respective phase outlet wires of the same-phase outlet wire sleeves maintain corresponding electrical insulation level. According to the connection mode brought forward by the invention, first of all, since bus support, insulation and fixation devices and the like in a transformer station are omitted, the cost is reduced and bus insulation breakdown faults and various faults caused by bus connection heating are avoided; secondly, since the connection mode is applied to indoor arrangement, upper-portion space of equipment is saved, the height of the building is reduced, and the cost is decreased; and finally, the installation workload is reduced, high-altitude operation, in particular, is omitted, and the risk of high-altitude installation operation is reduced.

Description

A kind of connected mode of voltage electrical equipment high, middle
Technical field
The present invention relates to the connected mode of electrical equipment, particularly to the connected mode of a kind of voltage electrical equipment high, middle.
Background technology
Electric energy in order to power plant is sent is transported to place farther out, it is necessary to voltage is raised, and becomes high-tension electricity, on demand voltage is reduced near user again, and the work of this buck/boost completes by transformer station.Transformer station is voltage of transformation in power system, acceptance and distribution electric energy, controls the flow direction of electric power and adjust the electric power facility of voltage, and the grid contact of each step voltage is got up by it by its transformator, is the assembly place of transmission and disttrbution.Transformer station assembles some equipment, in order to be switched off or on, to change or to adjust voltage.
In prior art, connected by bus bar between electric equipment, thus need bus to support, insulate and fixing equipment, further, the insulation between bus to be kept, be necessary for bus is sling by insulating supportings such as transfusion bottles bus, to realize safe distance, reach insulating requirements.But, at cold district, winter, construction of ascending a height generally was forbidden in outdoor, and this wet and slippery meeting of shaft tower caused mainly due to frost causes personal safety accident.Sometimes the restriction of building height it is subject to when Substation Design, can not individually designed bus, need not individually designed bus and can avoiding ascend a height the connected mode of construction operation it is thus desirable to a kind of, avoid the impact of building height and avoid construction operation of ascending a height so that winter, the construction of transformer station did not affect progress.
Summary of the invention
For above-mentioned problems of the prior art, it is an object of the invention to provide a kind of voltage electrical equipment connection mode high, middle, it is achieved being directly connected between electrical equipment, thus the bus saved in transformer station supports, insulation and the equipment such as fixing.
In order to realize foregoing invention purpose, the technical solution used in the present invention is as follows:
A kind of connected mode of voltage electrical equipment high, middle, the homophase of different electrical equipments occurs that sleeve pipe is connected to each other directly by bus, the respective extraction tube of described electrical equipment is respectively at different space planes, and the homophase outlet casing tube being connected to each other directly between difference electrical equipment is in the same space horizontal plane, connects the distance between each phase outlet of described homophase outlet casing tube and keep corresponding electric insulation level.
Further, the distance connected between each phase outlet of described homophase outlet casing tube meets air insulation required distance.
Further, described electrical equipment is high-voltage switch gear, transformator, combined electrical apparatus and transformer, spark gap.
Further, the extraction tube of described electric equipment is three-phase sleeve pipe or biphase sleeve pipe.
Voltage electrical equipment connection mode high, middle provided by the invention is applicable to the connection between the equipment such as high-voltage switch gear, transformator, combined electric and all kinds of transformer, spark gap.The connected mode that the present invention proposes, it is primarily due to there is no special bus equipment, eliminate bus in transformer station support, insulation and the equipment such as fixing, reduce cost, and avoid and occur bus insulation breakdown fault and bus to connect all kinds of faults that heating causes;Secondly use in the layout of indoor, then save the upper space of equipment so that building height reduces, and reduces cost;Finally, save installation workload, especially eliminate operation of ascending a height, decrease the danger of installment work of ascending a height.
Accompanying drawing explanation
Fig. 1 is an embodiment of the voltage electrical equipment connection mode high, middle of the present invention.
Fig. 2 is another embodiment of the voltage electrical equipment connection mode high, middle of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment and accompanying drawing, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Voltage electrical equipment connection mode high, middle provided by the present invention, by adjusting the locus of the extraction tube of electrical equipment, realize electrical equipment to be connected to each other directly, the sleeve pipe of the extraction of the electrical equipment after adjustment is on different space planes, and homophase outlet casing tube is all on the same space horizontal plane between distinct device, and connect distance between each phase outlet of homophase outlet casing tube and keep corresponding electric insulation level, with reach equipment room be directly connected to without separately set support for bus, insulation, the fixing special bus equipment of transformer station purpose.
Fig. 1 show an embodiment of the voltage electrical equipment connection mode high, middle according to the present invention, for the special connected mode connecting the explanation present invention of two hybrid gas insulation switchgears (HGIS) in figure.
The locus of the sleeve pipe 24,25,26 being positioned in Fig. 1 on the HGIS1 above accompanying drawing is adjusted so that it is be respectively in different space planes.Fig. 1 is positioned at the HGIS1 ' below accompanying drawing be have two switches with the dual-breaker HGIS of sleeve-like manner outlet, it has 3 sleeve pipes 24 ', 25 ', 26 ' of additional setting, adjust the these three sleeve pipe of HGIS1 ', it is at equally in different space planes, and the corresponding homophase outlet casing tube (24 and 24 ', 25 and 25 ', 26 and 26 ') of two HGIS1,1 ' is respectively in the same space plane.Additionally, distance between the adjacent homophase outlet casing tube 24 (24 ') of HGIS1 (1 '), 25 (25 '), 26 (26 ') is set, preferably, the requirement meeting air insulation distance between the adjacent homophase outlet casing tube 24 (24 ') of HGIS1 (1 '), 25 (25 '), 26 (26 ') is set so that connect two HGIS1,1 ' homophase outlet casing tube 24 with keep corresponding electric insulation level between 24 ', 25 with 25 ', 26 and each phase outlet of 26 '.Respectively the homophase outlet casing tube 24 and 24 ', 25 and 25 ', 26 and 26 ' of two HGIS1,1 ' correspondence is directly connected to by each phase outlet 31,32,33.Upper and lower two HGIS1 in Fig. 1, sleeve pipe 21,22,23 outlet in a usual manner in 1 ', connect high-voltage connection end or leading-out terminal.
The Another Application example of the connected mode of the present invention is as in figure 2 it is shown, the equipment 10 T-shaped HGIS that is the dual-breaker with cable mode outlet, and it has 6 sleeve pipes.First the locus of the three-phase extraction tube 24,25,26 of the T-shaped HGIS10 of dual-breaker is adjusted so that it is be on different space planes;Secondly, adjust three outlet casing tubes 24 ', 25 ', 26 ' on HGIS9, make these three outlet casing tube be similarly on different space planes.And homophase corresponding with the T-shaped HGIS10 of dual-breaker for HGIS9 is set and occurs that sleeve pipe 24 and 24 ', 25 and 25 ', 26 and 26 ' is respectively in identical space plane.It addition, the HGIS9 homophase corresponding with dual-breaker DCB type HGIS10 occurs that sleeve pipe 24 and 24 ', 25 and 25 ', 26 and 26 ' is directly connected to respectively through each phase outlet 31,32,33.Further, it is equal and for 600mm that the distance between adjacent homophase outlet-pipe is set so that it is keep required electric insulation level.Finally, the outlet casing tube 21,22,23 of HGIS9 Yu dual-breaker DCB type HGIS10 is drawn through wall bushing 11 respectively, is connected with high-voltage connection end or leading-out terminal.
By Fig. 1 and Fig. 2 it can be seen that the connection between electrical equipment is without special bus, therefore also avoid the need for the special bus equipments such as bus support, insulation and fixing equipment.It addition, the connected mode of the present invention is by arranging the distance between adjacent homophase outlet-pipe, it is achieved the secured electrical dielectric level between sleeve pipe, it is not necessary to sling to realize safe distance by sleeve lead-out line.Therefore, when the connected mode of the present invention is for indoor electric equipment, the requirement to depth of building is reduced.
Although it should be noted that Fig. 1 and Fig. 2 describes the connected mode of the present invention for the connection between HGIS equipment, but, other electrical equipments such as transformator, combined electrical apparatus and transformer, spark gap etc. are equally useful the connected mode of the present invention.
Embodiment described above only have expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claim.

Claims (4)

1. the connected mode of a voltage electrical equipment high, middle, it is characterized in that, the homophase outlet casing tube of different electrical equipments is connected to each other directly by each phase outlet, the respective extraction tube of described electrical equipment is respectively at different space planes, and the homophase outlet casing tube being connected to each other directly between difference electrical equipment is in the same space horizontal plane, connects the distance between each phase outlet of described homophase outlet casing tube and keep corresponding electric insulation level.
2. the connected mode of voltage electrical equipment high, middle according to claim 1, it is characterised in that the distance connected between each phase outlet of described homophase outlet casing tube meets air insulation required distance.
3. the connected mode of voltage electrical equipment high, middle according to claim 1, it is characterised in that described electrical equipment is high-voltage switch gear, transformator, combined electrical apparatus and transformer, spark gap.
4. the connected mode of voltage electrical equipment high, middle according to claim 1, it is characterised in that the extraction tube of described electric equipment is three-phase sleeve pipe or biphase sleeve pipe.
CN201410763356.0A 2014-12-11 2014-12-11 Connection mode of high and medium-voltage electrical devices Pending CN105742968A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410763356.0A CN105742968A (en) 2014-12-11 2014-12-11 Connection mode of high and medium-voltage electrical devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410763356.0A CN105742968A (en) 2014-12-11 2014-12-11 Connection mode of high and medium-voltage electrical devices

Publications (1)

Publication Number Publication Date
CN105742968A true CN105742968A (en) 2016-07-06

Family

ID=56241156

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410763356.0A Pending CN105742968A (en) 2014-12-11 2014-12-11 Connection mode of high and medium-voltage electrical devices

Country Status (1)

Country Link
CN (1) CN105742968A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3915699C3 (en) * 1989-05-13 1995-06-14 Licentia Gmbh Outdoor bushings for a cubicle container
CN1377515A (en) * 1999-10-01 2002-10-30 Abb服务有限公司 Gas-insulated switchgear device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3915699C3 (en) * 1989-05-13 1995-06-14 Licentia Gmbh Outdoor bushings for a cubicle container
CN1377515A (en) * 1999-10-01 2002-10-30 Abb服务有限公司 Gas-insulated switchgear device

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Application publication date: 20160706

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