CN202721351U - A double-layer outgoing line structure of a 220kV HGIS power distribution unit - Google Patents

A double-layer outgoing line structure of a 220kV HGIS power distribution unit Download PDF

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Publication number
CN202721351U
CN202721351U CN 201220342955 CN201220342955U CN202721351U CN 202721351 U CN202721351 U CN 202721351U CN 201220342955 CN201220342955 CN 201220342955 CN 201220342955 U CN201220342955 U CN 201220342955U CN 202721351 U CN202721351 U CN 202721351U
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CN
China
Prior art keywords
bus
line
double
cross
sleeve pipe
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Expired - Lifetime
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CN 201220342955
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Chinese (zh)
Inventor
项玲
周元强
查申森
卫银忠
李海烽
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China Energy Engineering Group Jiangsu Power Design Institute Co ltd
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Jiangsu Electric Power Design Institute
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Abstract

The utility model discloses a double-layer outgoing line structure of a 220kV HGIS power distribution unit. The double-layer outgoing line structure comprises high-voltage electrical devices, suspending tubular buses, a suspending tubular busbar bridge, a bus overline, an upper outgoing line overline, a first bus overline and double-layer outgoing line structure, and a second bus overline and double-layer outgoing line structure. The suspending tubular buses comprise a first suspending tubular bus and a second suspending tubular bus which is electrically connected with the bus overline. The high-voltage electrical devices comprise a HGIS device including an upper outgoing line device and a lower outgoing line device. The upper outgoing line device comprises a first line sleeve, a first bus sleeve, and a second bus sleeve. The lower outgoing line device comprises a third bus sleeve, a fourth bus sleeve, and a second line sleeve at intervals. The double-layer outgoing line structure of a 220kV HGIS power distribution unit increases area utilization rate, saves floor space, and reduces engineering cost.

Description

A kind of double-deck outlet structure of 220 kilovolts of HGIS power distribution equipments
Technical field
The utility model belongs to transformer station universal design field, is specifically related to a kind of double-deck outlet structure of 220 kilovolts of HGIS power distribution equipments.
Background technology
Along with China's economy develops rapidly, for economizing the land resource, the compact devices such as gas-insulated switch (hereinafter to be referred as GIS), Mixed gas insulation switch (hereinafter to be referred as HGIS) are used widely in transformer station.220kV HGIS power distribution equipment is arranged in the open air, generally adopts full overhead outlet, owing to there is not the restriction of building, can give full play to the characteristics of HGIS flexible arrangement, thereby plays the effect of taking up an area of saving.
Double-deck outlet, be by the equipment dually arrayed, take full advantage of the mode of the parallel outlet in a kind of the upper and lower that longitudinal space in the outgoing line interval proposes, this outlet method is adopted by 2011 editions 220kV transformer station of State Grid Corporation of China General design schemes, both can be used for outdoor GIS power distribution equipment, also can be used for the AIS power distribution equipment of dually arrayed.
220 kilovolts of HGIS power distribution equipments of typical case section structure in the B-4 scheme in the universal design of 2011 editions 220kV transformer stations of State Grid Corporation of China is as follows:
1. going up electrical structure from ground is followed successively by: high voltage electric equipment (containing HGIS equipment, lightning arrester, post insulator), suspension type cast bus, bus cross-line.Its median generatrix cross-line has electrical connection with suspended tubes mother wherein.
2. be followed successively by to the right side civil engineering structure from the left side: bus cross-line inlet wire framework, the first pipe bus girders, the second pipe bus girders, the bus cross-line outlet structure of holding concurrently of holding concurrently.
3. be divided into to the right side electrical separation from the left side: main transformer inlet wire interval, outgoing line interval.
The HGIS equipment at main transformer inlet wire interval is totally three branch casings, is followed successively by from left to right circuit sleeve pipe, the first bus casing and the second bus casing.Directly from the female lead-in wire of suspended tubes, the first bus casing goes between from the bus cross-line the second bus casing, the suspension insulator that the circuit sleeve pipe goes between and holds concurrently the inlet wire frame underneath to the bus cross-line, and by wire jumper and insulator string realization main transformer inlet wire.Lead-in wire and bus cross-line between this circuit sleeve pipe and the suspension insulator must be realized electric insulation.
The HGIS equipment of outgoing line interval is totally three branch casings, is followed successively by from left to right triple bus-bar sleeve pipe, the 4th bus casing and circuit sleeve pipe.Triple bus-bar sleeve pipe and the 4th bus casing be all directly from the female lead-in wire of suspended tubes, and circuit sleeve pipe lead-in wire to the hold concurrently suspension insulator of outlet structure below of bus cross-line, and is realized outlet by wire jumper and insulator string behind lightning arrester.Lead-in wire and bus cross-line between this circuit sleeve pipe and the suspension insulator must be realized electric insulation.
As seen said structure can only be realized positive and negative bidirectional outlet, but can not realize double-deck outlet.
The HGIS power distribution equipment often adopts the dually arrayed form, owing to can't realize double-deck outlet method, outgoing line interval is arranged in the forward interval usually, and its back span is arranged main transformer interval, mother interval or bus equipment interval.According to Substation Capacity Scale, usually main transformer interval, mother interval and bus equipment interval are no more than 10 times altogether, therefore when outgoing line interval is more, back span can occur and be the space every situation, thereby cause the waste of power distribution equipment place floor space.If can realize double-deck outlet method, forward and reversely like this install uniformly at intervals standbyly, the utilization of area rate improves, and saves floor occupying area.
The utility model content
The utility model purpose: the purpose of this utility model is for the deficiencies in the prior art, provides a kind of 220 kilovolts of HGIS power distribution equipments double-deck outlet structure, and this power distribution equipment utilization of area rate improves, and saves floor occupying area, and reduces project cost.
Technical scheme: the double-deck outlet structure of a kind of 220 kilovolts of HGIS power distribution equipments described in the utility model, comprise high voltage electric equipment, suspended tubes mother, suspension type cast bus girders, bus cross-line, upper strata outlet cross-line, the first bus cross-line double-deck outlet structure, the second bus cross-line double-deck outlet structure of holding concurrently of holding concurrently, described suspended tubes main bag is drawn together female and the second suspended tubes mother of the first suspended tubes, described the second suspended tubes is female to have electrical connection with the bus cross-line, described high voltage electric equipment comprises HGIS equipment, and described HGIS equipment comprises upper strata line-outgoing equipment, lower floor's line-outgoing equipment; Described upper strata line-outgoing equipment comprises the first circuit sleeve pipe, the first bus casing and the second bus casing, described the second bus casing is from the female lead-in wire of described the first suspended tubes, described the first bus casing goes between from described bus cross-line, described the first circuit sleeve pipe goes between from described upper strata outlet cross-line, mutually insulated between the lead-in wire between described the first circuit sleeve pipe and the upper strata outlet cross-line and the described bus cross-line; Described lower floor outgoing line interval comprises triple bus-bar sleeve pipe, the 4th bus casing and the second circuit sleeve pipe, described triple bus-bar sleeve pipe is from the female lead-in wire of described the second suspended tubes, described the 4th bus casing is from the female lead-in wire of described the first suspended tubes, described the second circuit sleeve pipe lead-in wire is to being arranged on the hold concurrently suspension insulator of double-deck outlet structure below of the second bus cross-line, and realizes outlet by wire jumper and tension insulator string.
Further improve technique scheme, described the first bus cross-line is held concurrently and is provided with the tandem type insulator string on the double-deck outlet structure, described tandem type insulator string is in series by some strain insulator strings, T-shaped gold utensil is adopted in series connection place, described the first bus casing goes between from described bus cross-line by the end of described tandem type insulator string, and described the first circuit sleeve pipe goes between from described upper strata outlet cross-line by described T-shaped gold utensil.
Further, described tandem type insulator string is in series by two string strain insulator strings.
The utility model compared with prior art, its beneficial effect is: the double-deck outlet structure utilization of area rate of 220 kilovolts of HGIS power distribution equipments described in the utility model improves, and saves floor occupying area, and reduces project cost.
Description of drawings
Fig. 1 is section structure schematic diagram of the present utility model.
Embodiment
The below is elaborated to technical solutions of the utility model, but protection range of the present utility model is not limited to described embodiment.
As shown in Figure 1, a kind of double-deck outlet structure of 220 kilovolts of HGIS power distribution equipments, comprise electrical structure part and civil engineering structure part, described electrical structure part up is followed successively by high voltage electric equipment from ground, suspended tubes is female, suspension type cast bus girders 17, bus cross-line 3, upper strata outlet cross-line 4, described suspended tubes main bag is drawn together 3 pairs of series connection rear-mounteds has electrical connection in the female 1 and 3 couple of second suspended tubes mother of series connection rear-mounted on described suspension type cast bus girders 17,2,3 pairs of described the second suspended tubes female 2 of the first suspended tubes on the described suspension type cast bus girders 17 and bus cross-line 3; Described civil engineering structure part is followed successively by to the right side from the left side: the first bus cross-line double-deck outlet structure 5, the first pipe bus girders, the second pipe bus girders, the second bus cross-line double-deck outlet structure 6 of holding concurrently of holding concurrently, described the first bus cross-line is held concurrently and is provided with tandem type insulator string 7 on the double-deck outlet structure 5, described tandem type insulator string 7 is in series by two string strain insulator strings, T-shaped gold utensil is adopted in series connection place, described high voltage electric equipment comprises HGIS equipment, lightning arrester 8, post insulator, and described HGIS equipment comprises upper strata line-outgoing equipment, lower floor's line-outgoing equipment; Described upper strata line-outgoing equipment comprises the first circuit sleeve pipe 9, the first bus casing 10 and the second bus casing 11 that left-to-right sets gradually, described the second bus casing 11 is from 3 pairs of female 1 lead-in wires of described the first suspended tubes, described the first bus casing 9 goes between from described bus cross-line 3 by the end of described tandem type insulator string 7, and described the first circuit sleeve pipe 9 goes between from described upper strata outlet cross-line 4 by described T-shaped gold utensil; Described lower floor outgoing line interval comprises triple bus-bar sleeve pipe 12, the 4th bus casing 13 and the second circuit sleeve pipe 14 that left-to-right sets gradually, described triple bus-bar sleeve pipe 12 is from wherein 1 pair of female 1 lead-in wire of described the first suspended tubes, the 4th bus casing 13 go between from 3 pairs of described the second suspended tubes female 2, described the second circuit sleeve pipe 14 lead-in wire is to being arranged on the hold concurrently suspension insulator 15 of double-deck outlet structure 6 belows of the second bus cross-line, and realizes outlet by wire jumper 15 and tension insulator string.
As mentioned above, although the specific preferred embodiment of reference has represented and has explained the utility model that it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model that does not break away from the claims definition, can make in the form and details various variations to it.

Claims (3)

1. the double-deck outlet structure of 220 kilovolts of HGIS power distribution equipments, comprise high voltage electric equipment, suspended tubes mother, suspension type cast bus girders, bus cross-line, upper strata outlet cross-line, the first bus cross-line double-deck outlet structure, the second bus cross-line double-deck outlet structure of holding concurrently of holding concurrently, described suspended tubes main bag is drawn together female and the second suspended tubes mother of the first suspended tubes, described the second suspended tubes is female to have electrical connection with the bus cross-line, described high voltage electric equipment comprises HGIS equipment, and described HGIS equipment comprises upper strata line-outgoing equipment, lower floor's line-outgoing equipment; Described upper strata line-outgoing equipment comprises the first circuit sleeve pipe, the first bus casing and the second bus casing, described the second bus casing is from the female lead-in wire of described the first suspended tubes, described the first bus casing goes between from described bus cross-line, described the first circuit sleeve pipe goes between from described upper strata outlet cross-line, mutually insulated between the lead-in wire between described the first circuit sleeve pipe and the upper strata outlet cross-line and the described bus cross-line; Described lower floor outgoing line interval comprises triple bus-bar sleeve pipe, the 4th bus casing and the second circuit sleeve pipe, described triple bus-bar sleeve pipe is from the female lead-in wire of described the second suspended tubes, described the 4th bus casing is from the female lead-in wire of described the first suspended tubes, described the second circuit sleeve pipe lead-in wire is to being arranged on the hold concurrently suspension insulator of double-deck outlet structure below of the second bus cross-line, and realizes outlet by wire jumper and tension insulator string.
2. the double-deck outlet structure of 220 kilovolts of HGIS power distribution equipments according to claim 1, it is characterized in that, described the first bus cross-line is held concurrently and is provided with the tandem type insulator string on the double-deck outlet structure, described tandem type insulator string is in series by some strain insulator strings, T-shaped gold utensil is adopted in series connection place, described the first bus casing goes between from described bus cross-line by the end of described tandem type insulator string, and described the first circuit sleeve pipe goes between from described upper strata outlet cross-line by described T-shaped gold utensil.
3. the double-deck outlet structure of 220 kilovolts of HGIS power distribution equipments according to claim 1 is characterized in that, described tandem type insulator string is in series by two string strain insulator strings.
CN 201220342955 2012-07-16 2012-07-16 A double-layer outgoing line structure of a 220kV HGIS power distribution unit Expired - Lifetime CN202721351U (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN 201220342955 CN202721351U (en) 2012-07-16 2012-07-16 A double-layer outgoing line structure of a 220kV HGIS power distribution unit

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105958320A (en) * 2016-05-27 2016-09-21 中国能源建设集团安徽省电力设计院有限公司 Outdoor 500kV HGIS power distribution device structure
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105958320A (en) * 2016-05-27 2016-09-21 中国能源建设集团安徽省电力设计院有限公司 Outdoor 500kV HGIS power distribution device structure
CN105958320B (en) * 2016-05-27 2018-03-27 中国能源建设集团安徽省电力设计院有限公司 A kind of 500 kilovolts of HGIS power distribution device structures in open air
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

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C56 Change in the name or address of the patentee

Owner name: CHINA ENERGY ENGINEERING GROUP JIANGSU ELECTRIC PO

Free format text: FORMER NAME: JIANGSU ELECTRIC POWER DESIGNING INST.

CP01 Change in the name or title of a patent holder

Address after: 210009 Gulou District, Jiangsu, Nanjing new model road, No. 5

Patentee after: CHINA ENERGY ENGINEERING GROUP JIANGSU POWER DESIGN INSTITUTE CO.,LTD.

Address before: 210009 Gulou District, Jiangsu, Nanjing new model road, No. 5

Patentee before: Jiangsu Electric Power Design Institute

CX01 Expiry of patent term

Granted publication date: 20130206