CN202978006U - Ultrahigh voltage intelligent substation medium-voltage side HGIS power distribution device - Google Patents

Ultrahigh voltage intelligent substation medium-voltage side HGIS power distribution device Download PDF

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Publication number
CN202978006U
CN202978006U CN 201220519274 CN201220519274U CN202978006U CN 202978006 U CN202978006 U CN 202978006U CN 201220519274 CN201220519274 CN 201220519274 CN 201220519274 U CN201220519274 U CN 201220519274U CN 202978006 U CN202978006 U CN 202978006U
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China
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hgis
bus
power distribution
intelligent substation
distribution equipment
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Expired - Lifetime
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CN 201220519274
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Chinese (zh)
Inventor
况骄庭
李国尧
钱锋
周志超
徐峰
丁健
杨卫星
陈建华
梅狄克
周毅
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Zhejiang Electric Power Design Institute
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Zhejiang Electric Power Design Institute
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Priority to CN 201220519274 priority Critical patent/CN202978006U/en
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Abstract

An ultrahigh voltage intelligent substation medium-voltage side HGIS power distribution device mainly comprises an HGIS device compact type double-row back-to-back arrangement, a combined frame and large span bus beam construction arrangement of the distribution device, and a field inner route optimization arrangement of the distribution device, wherein the HGIS distribution device using the double bus or double bus segment connection type designs a line-out bent frame, a line-in bent frame and a bus beam into an integrated combined frame. The occupancy area of a substation, especially an intelligent substation is greatly reduced, the steel consumption is saved, and the total investment of the project is reduced. The ultrahigh voltage intelligent substation medium-voltage side HGIS power distribution device is suitable for the design and construction of an ultrahigh voltage intelligent substation engineer, and especially suitable for the design of the ultrahigh voltage intelligent substation using the double bus or double bus segment connection type on the medium-voltage side.

Description

Superhigh pressure intelligent substation medium voltage side HGIS power distribution equipment
Technical field
The utility model relates to the power distribution equipment of medium voltage side employing HGIS equipment in a kind of Ultra-high Voltage Substations, be applicable to the design of superhigh pressure intelligent substation, be particularly useful for medium voltage side and adopt double-bus or the design of double-bus section wiring pattern superhigh pressure intelligent substation; Belong to the project of transmitting and converting electricity design field.
Background technology
Intelligent substation is take digital transformer substation as support, by adopting the technology such as advanced transducer, electronics, information, communication, control, intellectual analysis software, set up the digitlization Unified Application Platform of complete all information gatherings of station, transmission, analysis, processing, realize the senior application functions such as automatic operation control, equipment state overhauling, running status self adaptation, distribution Collaborative Control, intellectual analysis decision-making of transformer station, improve management and operation and maintenance level.
Power distribution equipment is the general name that can control, accept and distribute the electric device of electric energy.It is complete on function, comprises the electric equipment that possesses various functions, as secondary devices such as bus rod, circuit breaker, isolating switch, reactor, lightning arrester, instrument transformer, cable and measuring instruments.Power distribution equipment can be divided into following several types according to its switchgear: (1) air insulation open type equipment (AIS type); (2) potting breaker type; (3) half gas insulating metal closed type equipment (HGIS type); (4) gas insulating metal closed type equipment (GIS type).
HGIS equipment is by the metal shell sealing, combined integrated Novel outdoor combined electrical apparatuses of equipment phase-splitting such as gas isolated circuit breaker, isolating switch, current transformer, voltage transformers.It has absorbed the successful operation experience of GIS and AIS, has solved the too high negative issue that brings of GIS integrated level and the AIS monolithic element combination problems such as floor space is excessive.It has adopted the new technology in a series of association areas, it is had simple and compact for structure, and floor space is little, and operational reliability is high, and maintenance workload is little, and is easy for installation, and the foundation of civil work amount is few, and short construction period is without advantages such as oil ring guarantors.
The HGIS that is applied to intelligent substation often configures electronic mutual inductor, status monitoring transducer and intelligent assembly, instrument transformer, transducer are fit to and the integrated design of HGIS body equipment very much, integrative installation technology, thus save floor space, save equipment investment, reduce project total cost.
500kV transformer station is the maximum class Ultra-high Voltage Substations of China's quantity, comprises in the intelligent substation conventional design at the 500kV Substation Design and (seeing for details shown in accompanying drawing 2.For convenience of narration and explanation, accompanying drawing 2 is pressed national grid universal design 500-B-4 allocation plan and is drawn, and these transformer station's three side electric pressures are respectively 500kV, 220kV, 35kV), the design of medium voltage side 220kV power distribution equipment is an important part.
The utility model content
The purpose of this utility model is to overcome the deficiency that prior art exists, and provide a kind of improved, can significantly reduce transformer station, particularly intelligent substation floor space, reduce the structural steel amount, reduce the superhigh pressure intelligent substation medium voltage side HGIS power distribution equipment of total investment of engineering.
The utility model is completed by following technical solution, and it comprises that mainly HGIS facility compact type biserial arranges back-to-back, and power distribution equipment adopts combined frame work setting and large span bus girders framework to arrange, road preferred arrangement in the power distribution equipment place.
The HGIS power distribution equipment of described employing double-bus or double-bus section wiring pattern is designed to integrated combined frame work with outlet framed bent, inlet wire framed bent and bus girders.
Described HGIS facility compact type biserial is arranged back-to-back, adopt outgoing line interval and inlet wire interval HGIS equipment to arrange back-to-back, outgoing line interval is connected a section lead and positive bus-bar A, B phase (or B, C phase) pipe bus and is connected with inlet wire interval HGIS equipment, and adopts and manage bus and do across the road pass and connect.
The combined frame work setting of described power distribution equipment, it is that outlet framed bent, inlet wire framed bent and bus portal are designed to combined frame work, cancels the truss column of redundancy.Be further to optimize the interval longitudinal size, the outgoing line side truss column adopts vertical single pole post, and cancels combined frame work contact beam, and at high trestle place, brace is set and is connected with bus girders, the stressed still stability and safety of integral body, thus greatly reduce steel using amount.
Described large span bus girders framework namely adopts the setting of large span bus girders framework, and conventional M shape bus framework intermediate frame post is cancelled, and changes portal into, and carries out integrated co-design with outlet framed bent, inlet wire framed bent.
Road preferred arrangement in described power distribution equipment place, the maintenance road that routine is arranged on outlet framed bent place moves between the HGIS that the compact biserial arranges back-to-back in conjunction with the combined frame work design, saves the power distribution equipment place and takes up an area.
Described combined frame work adopts two association part designs, has shortened the framework temperature section, has significantly reduced temperature effect, effectively reduces the internal force of partial component, thereby reduces the partial component section, saves steel using amount.
The beneficial effects of the utility model are:
This design is compared with the scale design scheme with national grid universal design 500-B-4 is of the same type, takes up an area index and steel using amount index and sees following table for details:
Table 1 takes up an area, the steel using amount index compares
(1) the HGIS equipment arranged back-to-back of biserial adopts compact design, and utilizes between the HGIS that arranges back-to-back vacant place to arrange the maintenance road, arranges that vertically size saves 13m, takes up an area to save approximately 24%, remarkable benefit.
(2) the power distribution equipment framework arrange to adopt the combined frame work form, adopts large span bus girders framework, cancels A shape truss column in the middle of the place, Saving steel amount approximately 29%, remarkable benefit.
The utlity model has and significantly to reduce transformer station, particularly intelligent substation floor space, save steel using amount, reduce the characteristics such as total investment of engineering.Be applicable to superhigh pressure intelligent substation engineering design construction, be particularly useful for medium voltage side and adopt double-bus or the design of double-bus section wiring pattern superhigh pressure intelligent substation.
Description of drawings
Fig. 1 is that the utility model is applied to certain superhigh pressure intelligent substation 220kV HGIS power distribution equipment floor plan.
Fig. 2 is that the utility model is applied to certain superhigh pressure intelligent substation 220kV HGIS power distribution equipment into and out of the line sectional drawing.
Fig. 3 is that the utility model is applied to certain superhigh pressure intelligent substation 220kV HGIS combined frame work perspective view.
Fig. 4 is that state Netcom is with designing 500-B-4 scheme 220kV power distribution equipment into and out of the line sectional drawing.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail: in superhigh pressure intelligent substation described in the utility model, medium voltage side adopts the power distribution equipment of HGIS equipment, it comprises that mainly HGIS facility compact type biserial arranges back-to-back, combined frame work and large span bus girders framework arrange, road preferred arrangement in the power distribution equipment place adopts the HGIS power distribution equipment of double-bus or double-bus section wiring pattern with outlet framed bent, inlet wire framed bent and being integral of bus girders frame design combined frame work.
Described HGIS facility compact type biserial is arranged back-to-back, adopt outgoing line interval and inlet wire interval HGIS equipment to arrange back-to-back, outgoing line interval is connected a section lead and manages mutually bus with positive bus-bar A, B phase or B, C and be connected with inlet wire interval HGIS equipment, and adopts the pipe bus to do across the road pass to connect.
Described large span bus girders framework arranges, and the employing single beam is just hanging, secondary bus, does not wherein establish the intermediate frame post; Described combined frame work setting is: the outgoing line side truss column adopts vertical single pole post, and cancels combined frame work contact beam, at high trestle place, brace is set and is connected with bus girders, or two association part settings be arranged and be adopted to described combined frame work can in conjunction with section gap.
Road preferred arrangement in described power distribution equipment place adopts maintenance road that routine is arranged on outlet framed bent place to move between the HGIS that the compact biserial arranges back-to-back in conjunction with the combined frame work setting.
Fig. 1 is the 220kV HGIS power distribution equipment floor plan sketch after the utility model is applied to certain superhigh pressure intelligent substation optimal design, adopts the local double layer outlet, optimizes the power distribution equipment total arrangement.In Fig. 1, the 220kV connection type is the two section wirings of double-bus, adopts that outdoor suspension tubular busbar is medium-sized, the HGIS biserial is arranged back-to-back.For making whole power distribution equipment place lateral dimension and power distribution equipment place, high-pressure side adapt, be convenient to the enclosure wall construction regular, improve the utilance in soil, the double-deck outlet of the local employing of 220kV power distribution equipment.Two return back out line shares one across framework, interval width 25m, and under high-rise outlet, the lead-in wire windage yaw affects electrical distance nargin, twice interval 26m of double-deck outlet in order to improve.
Fig. 4 is national grid universal design 500-B-4 medium voltage side power distribution equipment inlet wire, outlet sectional drawing.In figure: a, bus intermediate frame post, b, post insulator, c (d), bus casing, e, interval and bus connecting line.Existence due to bus-bar frame intermediate frame post a can't arrange road between the HGIS that biserial is arranged back-to-back.
Fig. 2 is that the utility model is applied to 220kV HGIS power distribution equipment after certain superhigh pressure intelligent substation optimal design into and out of the line sectional drawing.220kV adopts the double-bus long-span beam, cancels conventional design bus intermediate frame post a.Cancel simultaneously post insulator b, the wire e that outgoing line interval HGIS is connected with positive bus-bar A, B adopts aluminum tube bus.Like this outlet framed bent place maintenance road can be moved between the HGIS that biserial arranges back-to-back, this has created condition for outlet framed bent and bus-bar frame are designed to combined frame work.As shown in Table 1, optimizing design scheme is compared with General design scheme: vertically take up an area and save 13m, floor space is saved 6.2 mu, takes up an area the 7968/12099=65.9% that index is equivalent to General design scheme; The framework steel using amount reduces 63 tons, is equivalent to the 159.26/222.94=71.4% of General design scheme.Economic and technical norms are obviously optimized.
Fig. 3 is the 220kV HGIS combined frame work perspective view after the utility model is applied to certain superhigh pressure intelligent substation optimal design.Framework single pole steel pipe column is selected Ф 500 * 8(Q345), and beam master material is selected Ф 127 * 8(Q235).The internal force of single pole post and beam is controlled by the combination of one-sided outlet icing operating mode as calculated, the maximum stress at the bottom of the single pole post be 234 and-172N/mm 2, stress ratio reaches 75.5% and 55.5% left and right.Be 35mm in the roofbolt top displacement that places an order of strong wind operating mode, satisfy the H/200 requirement of code requirement.Install under the combination of operating mode 10m/s wind speed, in girder span, maximum displacement is 60mm, satisfies the L/300 of code requirement.
The utility model comprises that mainly HGIS facility compact type biserial arranges back-to-back, the design of power distribution equipment combined frame work, large span bus girders frame design, road preferred arrangement in the power distribution equipment place.
Described HGIS facility compact type biserial is arranged back-to-back, outgoing line interval and inlet wire interval HGIS equipment are arranged back-to-back, outgoing line interval is connected a section lead and positive bus-bar A, B phase (or B, C phase) pipe bus and is connected with inlet wire interval HGIS equipment, and adopts and manage bus and do across the road pass and connect.
Described power distribution equipment combined frame work design is designed to combined frame work with outlet framed bent, inlet wire framed bent and bus portal, cancels the truss column of redundancy.Be further to optimize the interval longitudinal size, the outgoing line side truss column adopts vertical single pole post, and cancels combined frame work contact beam, and at high trestle place, brace is set and is connected with bus girders, the stressed still stability and safety of integral body, thus greatly reduce steel using amount.
Described large span bus girders frame design adopts large span bus girders framework, and conventional M shape bus framework intermediate frame post is cancelled, and changes portal into, and carries out integrated co-design with outlet framed bent, inlet wire framed bent.
Road preferred arrangement in described power distribution equipment place, the maintenance road that routine is arranged on outlet framed bent place moves between the HGIS that the compact biserial arranges back-to-back in conjunction with the combined frame work design, saves the power distribution equipment place and takes up an area.
Described combined frame work adopts two association part designs, has shortened the framework temperature section, has significantly reduced temperature effect, effectively reduces the internal force of partial component, thereby reduces the partial component section, saves steel using amount.
Embodiment:
Accompanying drawing 1, accompanying drawing 2, accompanying drawing 3 are depicted as certain the 500kV intelligent substation medium voltage side 220kV power distribution equipment floor plan, the power distribution equipment that adopt conceptual design described in the utility model and design perspective view into and out of line sectional drawing and combined frame work.For ease of the contrast narration, accompanying drawing 4 is that state Netcom is with designing 500-B-4 scheme 220kV power distribution equipment into and out of the line sectional drawing.
This programme can adopt following steps to realize the purpose of present design:
The first step with design 500-B-4 conceptual design, is cancelled 220kV power distribution equipment bus intermediate frame post a in accompanying drawing 4 with reference to state Netcom;
Second step, design large span bus girders framework;
The 3rd step, cancel accompanying drawing 4 B-C post insulator b, adjust the distance of also suitably dwindling between HGIS sleeve pipe c and d, bonding conductor e adopts tubular bus;
In the 4th step, outlet framed bent, inlet wire framed bent are moved to bus girders is close, and carry out integrated design formation combined frame work with bus girders, and arrange in conjunction with section gap and adopt the design of two association parts;
The 5th step moved to the outgoing line side road between bus casing c, d, below pipe bus e;
The 6th step was further to optimize the interval longitudinal size, and the outgoing line side truss column adopts vertical single pole post, and cancelled combined frame work contact beam, at high trestle place, brace was set and was connected with bus girders, whole stability under loading safety;
In the 7th step, rationally adjust layouts such as comprising lightning arrester, enclosure wall and locate;
The 8th step, and consider whether to design local double-layer frame according to requirement of engineering.
Used specific case in the utility model principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept; This partial content should not be construed as restriction of the present utility model.

Claims (4)

1. superhigh pressure intelligent substation medium voltage side HGIS power distribution equipment, it comprises that mainly HGIS facility compact type biserial arranges back-to-back, power distribution equipment adopts combined frame work and large span bus girders framework to arrange, road preferred arrangement in the power distribution equipment place is characterized in that the HGIS power distribution equipment of described employing double-bus or double-bus section wiring pattern is designed to integrated combined frame work with outlet framed bent (1), inlet wire framed bent (2) and bus girders (4).
2. superhigh pressure intelligent substation medium voltage side HGIS power distribution equipment according to claim 1, it is characterized in that described HGIS facility compact type biserial arranges back-to-back, it is to adopt outgoing line interval and inlet wire interval HGIS equipment to arrange back-to-back, outgoing line interval is connected a section lead and manages mutually bus with positive bus-bar A, B phase or B, C and be connected with inlet wire interval HGIS equipment, and adopts the pipe bus to do across the road pass to connect.
3. superhigh pressure intelligent substation medium voltage side HGIS power distribution equipment according to claim 1, is characterized in that the setting of described large span bus girders framework, and the employing single beam is just hanging, secondary bus, does not wherein establish the intermediate frame post; The outgoing line side truss column of described combined frame work adopts vertical single pole post, and cancels combined frame work contact beam, at high trestle place, brace is set and is connected with bus girders, or two association part settings be arranged and be adopted to described combined frame work can in conjunction with section gap.
4. superhigh pressure intelligent substation medium voltage side HGIS power distribution equipment according to claim 1 is characterized in that road preferred arrangement in described power distribution equipment place adopts routine is arranged on maintenance road (3) that outlet framed bent (1) locates moves between the HGIS that the compact biserial arranges back-to-back in conjunction with the combined frame work setting.
CN 201220519274 2012-10-10 2012-10-10 Ultrahigh voltage intelligent substation medium-voltage side HGIS power distribution device Expired - Lifetime CN202978006U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102891439A (en) * 2012-10-10 2013-01-23 浙江省电力设计院 Medium-voltage side hybrid gas insulated switchgear (HGIS) distribution device for ultrahigh voltage intelligent substation
CN106300211A (en) * 2016-08-11 2017-01-04 广西电网有限责任公司贺州供电局 A kind of line terminal lightning protection method
CN106654871A (en) * 2017-01-26 2017-05-10 国网浙江省电力公司经济技术研究院 Power distribution apparatus with main transformer low-framework traverse
CN110553606A (en) * 2019-08-26 2019-12-10 广州供电局有限公司 method, device and equipment for monitoring horizontal axis difference of supporting type tubular bus of transformer substation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102891439A (en) * 2012-10-10 2013-01-23 浙江省电力设计院 Medium-voltage side hybrid gas insulated switchgear (HGIS) distribution device for ultrahigh voltage intelligent substation
CN106300211A (en) * 2016-08-11 2017-01-04 广西电网有限责任公司贺州供电局 A kind of line terminal lightning protection method
CN106654871A (en) * 2017-01-26 2017-05-10 国网浙江省电力公司经济技术研究院 Power distribution apparatus with main transformer low-framework traverse
CN110553606A (en) * 2019-08-26 2019-12-10 广州供电局有限公司 method, device and equipment for monitoring horizontal axis difference of supporting type tubular bus of transformer substation

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Granted publication date: 20130605