CN203312638U - Screw type outgoing line framework arrangement structure of 220 kilovolt outdoor power distribution device - Google Patents

Screw type outgoing line framework arrangement structure of 220 kilovolt outdoor power distribution device Download PDF

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Publication number
CN203312638U
CN203312638U CN2013204013092U CN201320401309U CN203312638U CN 203312638 U CN203312638 U CN 203312638U CN 2013204013092 U CN2013204013092 U CN 2013204013092U CN 201320401309 U CN201320401309 U CN 201320401309U CN 203312638 U CN203312638 U CN 203312638U
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China
Prior art keywords
outgoing line
outlet
power distribution
strain insulator
outdoor power
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Application number
CN2013204013092U
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Chinese (zh)
Inventor
陈飞
周惠文
高亚栋
刘燕平
卞荣
高美金
滕永禧
侯健生
尹康
许琳
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State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Zhejiang Electric Power Co Ltd
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Priority to CN2013204013092U priority Critical patent/CN203312638U/en
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Publication of CN203312638U publication Critical patent/CN203312638U/en
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Abstract

The utility model discloses a screw type outgoing line framework arrangement structure of a 220 kilovolt outdoor power distribution device. In a normal outdoor power distribution device, three-phase wires are horizontally arranged, and a door-shaped framework of an outgoing line is wide, so the overall horizontal size of a substation is increased. The screw type outgoing line framework arrangement structure is characterized in that an outer end face of an outgoing line space is right opposite to the front face of an outgoing line framework, and the outgoing line framework comprises an upright steel pipe rod; three strain insulator strings are distributed from top to middle to down and are arranged on the same vertical plane; and each of the outgoing line spaces comprises three phase lines arranged in a horizontal direction, and the three phase lines are led up by wiring terminals of outgoing line sleeve pipes, respectively supported by at least one supporting insulator for transition via three outgoing line wires, and respectively connected to wire hanging points of the three strain insulator strings at last. According to the utility model, the horizontal size of an outgoing line side of the outdoor power distribution device is decreased, so floor area is remarkably reduced.

Description

The spiral outlet structure arrangement of a kind of 220 kilovolts of outdoor power distribution units
Technical field
The utility model relates to the framework of power equipment to be arranged, specifically the spiral outlet structure arrangement of a kind of 220 kilovolts of outdoor power distribution units.
Background technology
When substation location is selected at present, basic farmland be should dodge, mountain region, hillside fields or wasteland taken as far as possible.In the time can't dodging basic farmland, when selecting the substation location scheme, should preferentially select to take up an area few scheme, when the economy comparison with save the area when contradictory, economy relatively should be obeyed and save the area.
Development along with electrical network, transformer station's quantity is in continuous increase, soil reserved resources wretched insufficiency, its land used is selected more and more difficulty, site expropriation of land, removal expense increase day by day, at flourishing urban central zone, land expropriation cost is rising situation, and it is current problem demanding prompt solution that transformer station saves soil as much as possible.
In addition, due to circuit gallery scarcity of resources, seldom adopted now the single loop overhead transmission line, the circuit gallery carries out design and construction by same bar double loop or even four loops basically.When circuit adopted double loop or four loops to set up, its A, B, C three-phase were vertical arrangements, and the level that can reduce like this gallery takies width.And the wider width of traditional transformer station's door type framework and because three-phase conducting wire is horizontal, when with the line terminal pole pair, connecing, during by the vertical arrangement that horizontally is transformed on steel tower, variation has occurred in its arrangement mode, may occur that spatially phase conductor intersects, alternate dangerous spot might not, at the maximum sag place of span central authorities or wire, bring certain difficulty for the design of line terminal tower.Therefore, the outlet structure that needs to optimize power distribution equipment is arranged, reduces wire space hold size, thereby saves to greatest extent soil, improves the utilance in soil.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defect that above-mentioned prior art exists, provide a kind of 220 kilovolts of outdoor power distribution units spiral outlet structure arrangement, it is optimized outdoor outlet structure, reduce the overall outgoing line side lateral dimension of transformer station, floor space in compression transformer station enclosure wall, save electric outgoing line corridor.
For this reason, the utility model adopts following technical scheme: the spiral outlet structure arrangement of a kind of 220 kilovolts of outdoor power distribution units, comprise at least one 220 kilovolts of outgoing line interval and at least one outlet structure, it is characterized in that, the outer face of an outgoing line interval is over against the front of an outlet structure, and described outlet structure comprises an erect-type steel pipe pole; The post insulator of a plurality of horizontally sets is equipped with in the front of this erect-type steel pipe pole and side, and the strain insulator string of three horizontally sets is equipped with at the back side; Described three strain insulator strings are upper, middle and lower and distribute, and are positioned on same vertical plane;
Each outgoing line interval has three phase lines of arranging in horizontal direction, described three phase lines are drawn by the binding post of outlet casing tube, by A, B, C phase conductor (being the outlet wire), pass through respectively the support transition of at least one post insulator, make the horizontal range between adjacent outlet wire meet the electrical safety requirement, finally be connected respectively on the hanging wire point of three strain insulator strings.
The utility model improves and optimizes structure and the layout of outlet structure, has reduced the overall outgoing line side lateral dimension of transformer station, has compressed floor space in transformer station's enclosure wall, has saved electric outgoing line corridor.
As the further of technique scheme improved and supplement, the utility model is taked following technical measures:
Further, the A phase conductor by a post insulator that is positioned at erect-type steel pipe pole one side after, with the hanging wire point of strain insulator string under being positioned at, be connected; The C phase conductor by three post insulators that are positioned at erect-type steel pipe pole opposite side after, with the hanging wire point that is positioned at the strain insulator string of going up most, be connected, three post insulators are in differing heights, are positioned at three C phase conductor sections on post insulator linearly; The B phase conductor is successively by after three post insulators that are positioned at differing heights, with the hanging wire point that is positioned at middle strain insulator string, be connected, described three post insulators are three directions and distribute, and misplace on space, are spiral arrangement be used to three post insulators that support the B phase conductor.By these, arrange, guarantee that the distance between adjacent outlet wire meets the electrical safety requirement.
Further, three phase lines of 220 kilovolts of outgoing line intervals are arranged in parallel, and adjacent outlet casing tube spacing is preferably 2.75-3.25 rice, and the center of outlet structure and the spacing of outlet casing tube are preferably 3.0-4.0 rice.
Further, the root selected apart from strain insulator string of the hanging wire of described strain insulator string is preferably 3.65-4 rice.
Further, the strain insulator string under being positioned at is preferably 8-9 rice apart from ground level.
Further, adjacent strain insulator string spacing is preferably 3.5-4.5 rice.
Further, the top of described erect-type steel pipe pole is provided with one be used to hanging the hook of lightning conducter.
Further, described hook and the distance between the strain insulator string of going up most are preferably 3.5-4.5 rice, guarantee that the outlet wire is in the protection range of lightning conducter.
The utility model compresses the outgoing line side lateral dimension of outdoor power distribution unit, singly returning back out the line interval width can be reduced to 10-11 rice (the GIS power distribution equipment can be reduced to 10 meters, the AIS power distribution equipment is 11 meters), can significantly reduce floor space, reduce land expropriation cost, reduce the 220kV bus length, reduce the bus cost.The utility model is due to simple in structure, arrangement convenience, and the steel consumption amount is little than conventional outlet structure, and does not limit 220 KV distribution device types, and GIS, AIS power distribution equipment are all applicable, are used in especially the area that land expropriation cost is high.
The accompanying drawing explanation
Fig. 1 is the floor plan schematic diagram of existing conventional 220 kilovolts of outdoor power distribution units.
Fig. 2 is floor plan schematic diagram of the present utility model.
Fig. 3 is structural representation of the present utility model.
Fig. 4 is the utility model A phase conductor cabling schematic diagram.
Fig. 5 is the utility model B phase conductor cabling schematic diagram.
Fig. 6 is the utility model C phase conductor cabling schematic diagram.
Embodiment
Below in conjunction with specification drawings and specific embodiments, the utility model is further described.
220 kilovolts of outdoor power distribution units are as shown in Figure 2 arranged schematic diagram, it is comprised of four outgoing line intervals 1 and four outlet structures, the outer face of an outgoing line interval 1 is over against the front of an outlet structure, described four outgoing line intervals connect by bus 13, for AIS equipment phase distance between centers of tracks, be 3.0 meters, GIS equipment phase distance between centers of tracks 0.5-0.7 rice.Three phase lines are arranged in parallel, and adjacent outlet casing tube spacing is 2.75-3.25 rice, and the center of outlet structure and the spacing of outlet casing tube are 3-4 rice.
As shown in Fig. 3-6, each outlet structure includes an erect-type steel pipe pole 6, and the post insulator 7 of 7 horizontally sets is equipped with in the front of this erect-type steel pipe pole 6 and side, and the strain insulator string 8,9,10 of three horizontally sets is equipped with at the back side; Described three strain insulator strings 8,9,10 are upper, middle and lower and distribute, and are positioned on same vertical plane.
Each outgoing line interval has three to be horizontal phase line, described three phase lines are drawn by the binding post 4 of outlet casing tube 3, by three wires 5 (being A, B, C phase conductor) by the support transition of 7 post insulators 7 on erect-type steel pipe pole 6, make the distance between adjacent outlet wire meet the electrical safety requirement, finally be connected respectively on the hanging wire point of 3 strain insulator strings 8,9,10.The cabling situation of concrete A, B, C phase conductor is as follows: the A phase conductor by a post insulator that is positioned at erect-type steel pipe pole one side after, with the hanging wire point of strain insulator string under being positioned at, be connected; The C phase conductor by three post insulators that are positioned at erect-type steel pipe pole opposite side after, with the hanging wire point that is positioned at the strain insulator string of going up most, be connected, three post insulators are in differing heights, are positioned at three C phase conductor sections on post insulator linearly; The B phase conductor is successively by after three post insulators that are positioned at differing heights, with the hanging wire point that is positioned at middle strain insulator string, be connected, described three pillars insulation is three directions and distributes, and misplaces on space, is spiral arrangement be used to three post insulators that support the B phase conductor.
The root that the hanging wire of strain insulator string 8,9,10 is selected apart from strain insulator string is 3.65-4.0 rice, and the strain insulator string 8 under being positioned at is 8-9 rice apart from ground level, and adjacent strain insulator string spacing is 3.5-4.5 rice.
The top of erect-type steel pipe pole 6 is provided be used to the hook 12 that hangs lightning conducter, and described hook 12 and the distance between the strain insulator string 10 of going up most are 3.5-4.5 rice.
The above, be only preferred embodiment of the present utility model, not structure of the present utility model done to any pro forma restriction.Every foundation technical spirit of the present utility model, to any simple modification, equivalent variations and modification that above embodiment does, all falls in protection range of the present utility model.

Claims (8)

1. spiral outlet structure arrangement of 220 kilovolts of outdoor power distribution units, comprise at least one 220 kilovolts of outgoing line intervals (1) and at least one outlet structure, it is characterized in that, the outer face of an outgoing line interval (1) is over against the front of an outlet structure, and described outlet structure comprises an erect-type steel pipe pole (6); The post insulator (7) that a plurality of horizontally sets are equipped with in the front of this erect-type steel pipe pole (6) and side, the back side are equipped with the strain insulator string (8,9,10) of three horizontally sets; Described three strain insulator strings (8,9,10) are upper, middle and lower and distribute, and are positioned on same vertical plane;
Each outgoing line interval has three phase lines of arranging in horizontal direction, described three phase lines are drawn by the binding post (4) of outlet casing tube (3), by A, B, C phase conductor, pass through respectively the support transition of at least one post insulator (7), make the distance between adjacent outlet wire meet the electrical safety requirement, finally be connected respectively on the hanging wire point of three strain insulator strings (8,9,10).
2. the spiral outlet structure arrangement of 220 kilovolts of outdoor power distribution units according to claim 1, it is characterized in that, the A phase conductor by a post insulator that is positioned at erect-type steel pipe pole one side after, with the hanging wire point of strain insulator string under being positioned at, be connected; The C phase conductor by three post insulators that are positioned at erect-type steel pipe pole opposite side after, with the hanging wire point that is positioned at the strain insulator string of going up most, be connected, three post insulators are in differing heights, are positioned at three C phase conductor sections on post insulator linearly; The B phase conductor is successively by after three post insulators that are positioned at differing heights, with the hanging wire point that is positioned at middle strain insulator string, be connected, described three post insulators are three directions and distribute, and misplace on space, are spiral arrangement be used to three post insulators that support the B phase conductor.
3. the spiral outlet structure arrangement of 220 kilovolts of outdoor power distribution units according to claim 1 and 2, it is characterized in that, three phase lines of 220 kilovolts of outgoing line intervals are arranged in parallel, adjacent outlet casing tube spacing is 2.75-3.25 rice, and the center of outlet structure and the spacing of outlet casing tube are 3.0-4.0 rice.
4. the spiral outlet structure arrangement of 220 kilovolts of outdoor power distribution units according to claim 1 and 2, is characterized in that, the hanging wire of described strain insulator string (8,9,10) is selected the root 3.65-4 rice apart from strain insulator string.
5. the spiral outlet structure arrangement of 220 kilovolts of outdoor power distribution units according to claim 1 and 2, is characterized in that, the strain insulator string (8) under being positioned at is 8-9 rice apart from ground level.
6. the spiral outlet structure arrangement of 220 kilovolts of outdoor power distribution units according to claim 1 and 2, is characterized in that, adjacent strain insulator string spacing is 3.5-4.5 rice.
7. the spiral outlet structure arrangement of 220 kilovolts of outdoor power distribution units according to claim 1 and 2, is characterized in that, the top of described erect-type steel pipe pole (6) is provided with a hook (12) be used to hanging lightning conducter.
8. the spiral outlet structure arrangement of 220 kilovolts of outdoor power distribution units according to claim 7, is characterized in that, described hook (12) and the distance be positioned between the strain insulator string (10) of going up most are 3.5-4.5 rice.
CN2013204013092U 2013-07-06 2013-07-06 Screw type outgoing line framework arrangement structure of 220 kilovolt outdoor power distribution device Active CN203312638U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013204013092U CN203312638U (en) 2013-07-06 2013-07-06 Screw type outgoing line framework arrangement structure of 220 kilovolt outdoor power distribution device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013204013092U CN203312638U (en) 2013-07-06 2013-07-06 Screw type outgoing line framework arrangement structure of 220 kilovolt outdoor power distribution device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106972439A (en) * 2017-04-20 2017-07-21 山东电力工程咨询院有限公司 A kind of transmission line of electricity vertical arrangement wire cut-offs connection pattern and method under drawing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106972439A (en) * 2017-04-20 2017-07-21 山东电力工程咨询院有限公司 A kind of transmission line of electricity vertical arrangement wire cut-offs connection pattern and method under drawing
CN106972439B (en) * 2017-04-20 2018-12-07 山东电力工程咨询院有限公司 A kind of transmission line of electricity vertical arrangement conducting wire cut-offs connection pattern and method under drawing

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