CN105119228A - A double-loop overhead transmission line overhead single-loop phase modulation wiring rod and a wiring structure - Google Patents
A double-loop overhead transmission line overhead single-loop phase modulation wiring rod and a wiring structure Download PDFInfo
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- CN105119228A CN105119228A CN201510501953.0A CN201510501953A CN105119228A CN 105119228 A CN105119228 A CN 105119228A CN 201510501953 A CN201510501953 A CN 201510501953A CN 105119228 A CN105119228 A CN 105119228A
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Abstract
The invention relates to a double-loop overhead transmission line overhead single-loop phase modulation wiring rod and a wiring structure. The lengths of a second-layer wire hanging cross bar and a fourth-layer wire hanging cross bar of the wiring rod are the same, and are not less than two-times of electric leakage distances, and are larger that the length of the third-layer wire hanging rod for no less than one time of electric leakage distance. The length of the third-layer wire hanging rod is not less than one time of electric leakage distance. A conductive wire is vertically arranged between the end portions of the second-layer wire hanging cross bar and the fourth-layer wire hanging cross bar. The conductive wire is connected to a lead-out conductive wire of the second-layer wire hanging cross bar and a lead-out conductive wire of the fourth-layer wire hanging cross bar. A lead-in conductive wire of an upper layer wire hanging cross bar and a lead-out wire of a lower-layer wire hanging cross bar are connected through jumper wire arranged to be inclined from the upper to the lower direction to realize phase sequence adjusting of the three lead-in conductive wires. The wiring rod of the present invention is simple in structure, and realizes phase sequence adjusting of three phase conductive wires on a base wiring rod, so that problems of high difficulty, high cost and high later maintenance cost of adjusting of single-loop circuit phase sequence n double loop are solved.
Description
Technical field
The present invention relates to the built on stilts single readjustment phase connection bar of a kind of double back overhead transmission line and wiring construction, belong to high voltage power transmission technical field.
Background technology
Transmission line is the electric device realizing connecting two ends transformer station, 3 phase conductors are set up in every bar transmission line of alternation current, distinguish the A phase of corresponding transformer substation side transformer, B phase and C phase, each root wire correspondence of technical requirement is connected to the same phase of two ends transformer station, when double back overhead transmission line access transformer station, in order to meet the leakage distance not being not less than a times between homophase, the phase sequence of two ends transformer substation side shaft tower from top to bottom may be inconsistent, just need in the enterprising horizontal phasing control of transmission line (phase modulation), to realize the exact connect ion of two ends phase sequence.Be realize phase sequence adjustment by junction pole new vertical outside transmission line in the mode adopted habitually in the past, floor space is large, and cost is high, and the maintenance cost in later stage is high.
Summary of the invention
The object of this invention is to provide a kind of double back overhead transmission line list readjustment phase connection bar and wiring construction, adopt new vertical junction pole outside transmission line to realize the problem that floor space is large, cost is high caused mutually to solve single readjustment at present.
The present invention provides a kind of double back overhead transmission line list readjustment phase connection bar for solving the problems of the technologies described above, this phase modulation junction pole comprises the vertical steel pipe pole of a base single-column, this steel pipe pole is disposed with from high to low four layers of bilateral hanging wire cross bar, ground floor is used for earth connection, second to the 4th layer is respectively used to mount first-phase, second-phase and third phase wire, on described steel pipe pole at least side second to the 4th layer of hanging wire cross bar in two hanging wire cross bar length identical, be not less than the leakage distance of twice, and the leakage distance being not less than a times is added than the length of another hanging wire cross bar, the length of another hanging wire cross bar is not less than the leakage distance of a times.
The hanging wire cross bar that in described second to the 4th layer, two length is identical is respectively the hanging wire cross bar of the second layer on steel pipe pole and the 4th layer.
The middle part of the described second layer and the 4th layer of hanging wire cross bar is not less than one times of leakage distance place and is provided with hanging wire point for mounting the extraction wire after corresponding phase lead-in conductor and phase modulation respectively, the end of third layer hanging wire cross bar or be not less than one times of leakage distance place near end and be provided with hanging wire point for mounting the extraction wire after corresponding phase lead-in conductor and phase modulation respectively, the end of the second layer and the 4th layer of hanging wire cross bar or be not less than twice leakage distance place and be provided with hanging wire point for mounting vertical direction wire.
Present invention also offers the wiring construction of a kind of double back overhead transmission line list readjustment phase connection bar, described wiring construction comprises the vertical steel pipe pole of a base single-column, this steel pipe pole is disposed with from high to low four layers of bilateral hanging wire cross bar, ground floor is used for earth connection, second to the 4th layer mounts three-phase main traverse line respectively, in the hanging wire cross bar of described second to the 4th layer, the length of two-layer hanging wire cross bar is identical, be not less than the leakage distance of twice, the leakage distance being not less than one times is added than the length of another layer of hanging wire cross bar, and the middle part of this two-layer hanging wire cross bar be not less than one times of leakage distance place be mounted with the lead-in conductor of corresponding phase and phase modulation respectively after extraction wire, this two-layer hanging wire cross bar grows end partly or is not less than near end between the position of one times of leakage distance and vertical direction is provided with vertical wires, this vertical wires is connected with the extraction wire of upper strata hanging wire cross bar and the lead-in conductor of lower floor's hanging wire cross bar by jumper, the length of another layer of hanging wire cross bar is not less than one times of leakage distance, and the end of this layer of hanging wire cross bar or near end be not less than one times of leakage distance place be mounted with the lead-in conductor of corresponding phase and phase modulation after extraction wire, the lead-in conductor of upper strata hanging wire cross bar is connected with the extraction wire of lower floor hanging wire cross bar by jumper.
The hanging wire cross bar that in described second to the 4th layer, two length is identical is respectively the hanging wire cross bar of the second layer on steel pipe pole and the 4th layer.
The middle part of the described second layer and the 4th layer of hanging wire cross bar is not less than one times of leakage distance place and is provided with hanging wire point for mounting the extraction wire after corresponding phase lead-in conductor and phase modulation respectively, the end of third layer hanging wire cross bar or be not less than one times of leakage distance place near end and be provided with hanging wire point for mounting the extraction wire after corresponding phase lead-in conductor and phase modulation respectively, the end of the second layer and the 4th layer of hanging wire cross bar or be not less than twice leakage distance place and be provided with hanging wire point for mounting vertical direction wire.
The invention has the beneficial effects as follows: in junction pole of the present invention second and the length of the hanging wire cross bar of the 4th layer be identical, be not less than the leakage distance of twice, and add than the length of third layer hanging wire cross bar the leakage distance being not less than a times, the length of third layer hanging wire cross bar is not less than the leakage distance of a times, a wire has been arranged vertically between second and the end of the 4th layer of two hanging wire cross bar, this vertical line is connected with the extraction wire of second layer hanging wire cross bar and the lead-in conductor of the 4th layer of hanging wire cross bar by jumper, the lead-in conductor of upper strata hanging wire cross bar and the extraction wire of lower floor's hanging wire cross bar are by upper, the jumper of arranging that has a down dip connects, to realize adjusting the phase sequence of three lead-in conductors.Junction pole structure of the present invention is simple, achieves the phase sequence adjustment completing three phase conductors on a base junction pole, and when solving a line phase-sequence detection adjustment in double loop, difficulty greatly, costly and later maintenance problem costly.
Accompanying drawing explanation
Fig. 1 is the front view that double back overhead transmission line of the present invention makes somebody a mere figurehead the structure of junction pole;
Fig. 2 is the end view that double back overhead transmission line of the present invention makes somebody a mere figurehead the structure of junction pole;
Fig. 3 is the vertical view (1) that double back overhead transmission line of the present invention makes somebody a mere figurehead the structure of junction pole;
Fig. 4 is the vertical view (2) that double back overhead transmission line of the present invention makes somebody a mere figurehead the structure of junction pole;
Fig. 5 is the vertical view (3) that double back overhead transmission line of the present invention makes somebody a mere figurehead the structure of junction pole;
Fig. 6 is the vertical view (4) that double back overhead transmission line of the present invention makes somebody a mere figurehead the structure of junction pole;
Fig. 7 is the wiring construction figure that in embodiments of the invention, double back overhead transmission line makes somebody a mere figurehead junction pole.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
The embodiment of a kind of double back overhead transmission line list readjustment phase connection bar of the present invention
Double back overhead transmission line list readjustment phase connection bar of the present invention comprises the vertical steel pipe pole of a base single-column, this steel pipe pole is disposed with from high to low four layers of bilateral hanging wire cross bar, ground floor is used for earth connection, second to the 4th layer is respectively used to mount first-phase, second-phase and third phase wire, wherein on steel pipe pole at least side second to the 4th layer of hanging wire cross bar in two hanging wire cross bar length identical, be not less than the leakage distance of twice, and the leakage distance being not less than a times is added than the length of another hanging wire cross bar, the length of another hanging wire cross bar is not less than the leakage distance of a times.
In the present embodiment, steel pipe pole is disposed with four layers of bilateral hanging wire cross bar from high to low, be respectively used to mounting double back main line wire and ground wire, be described to be positioned at circuit corner direction inner loop below, the ground floor hanging wire cross bar of this side is used for earth connection, second to the 4th layer of hanging wire cross bar is respectively used to mounting B phase, A phase and C phase conductor, as shown in Figure 7, wherein this side second layer is identical with the line cross bar length of the 4th layer, be not less than the leakage distance of twice, and add than the length of third layer hanging wire cross bar the leakage distance being not less than a times, the length of third layer hanging wire cross bar is not less than the leakage distance of a times, as depicted in figs. 1 and 2.The middle part of the second layer and the 4th layer of hanging wire cross bar is not less than one times of leakage distance place and is provided with hanging wire point for mounting the extraction wire after corresponding phase lead-in conductor and phase modulation respectively, the end of the second layer and the 4th layer of hanging wire cross bar or be not less than twice leakage distance place and be provided with hanging wire point for mounting vertical direction wire, these two hanging wire points vertically point-blank.Ground wire and main line wire conveniently erection mode hanging wire, ground wire for being articulated in the end of ground floor hanging wire cross bar, as shown in Figure 3; The middle part of second layer hanging wire cross bar or near middle part be not less than one times of leakage distance place be mounted with B phase lead-in conductor and phase modulation after extraction wire, as shown in Figure 4; Third layer hanging wire crossbar end or near end be not less than one times of leakage distance place be mounted with A phase lead-in conductor and phase modulation after extraction wire, as shown in Figure 5; Side in the middle part of 4th layer of hanging wire cross bar, the middle part of the 4th layer of hanging wire cross bar or near middle part be not less than one times of leakage distance place be mounted with C phase lead-in conductor and phase modulation after extraction wire, as shown in Figure 6.
The embodiment of the wiring construction of a kind of double back overhead transmission line list readjustment phase connection bar of the present invention
The wiring construction of single readjustment phase connection bar of the present invention comprises the vertical steel pipe pole of a base single-column, this steel pipe pole is disposed with from high to low four layers of bilateral hanging wire cross bar, ground floor is used for earth connection, second to the 4th layer mounts three-phase main traverse line respectively, in the hanging wire cross bar of second to the 4th layer, the length of two-layer hanging wire cross bar is identical, be not less than the leakage distance of twice, the leakage distance being not less than one times is added than the length of another layer of hanging wire cross bar, and the middle part of this two-layer hanging wire cross bar be not less than one times of leakage distance place be mounted with the lead-in conductor of corresponding phase and phase modulation respectively after extraction wire, this two-layer hanging wire cross bar grows end partly or is not less than near end between the position of one times of leakage distance and vertical direction is provided with vertical wires, this vertical wires is connected with the extraction wire of upper strata hanging wire cross bar and the lead-in conductor of lower floor's hanging wire cross bar by jumper, the length of another layer of hanging wire cross bar is not less than one times of leakage distance, and the end of this layer of hanging wire cross bar or near end be not less than one times of leakage distance place be mounted with the lead-in conductor of corresponding phase and phase modulation after extraction wire, the lead-in conductor of upper strata hanging wire cross bar is connected with the extraction wire of lower floor hanging wire cross bar by jumper.
In the present embodiment, the structure of single readjustment phase connection bar as depicted in figs. 1 and 2, comprise the vertical steel pipe pole of a base single-column, this steel pipe pole is disposed with from high to low the four layers of bilateral hanging wire cross bar be parallel to each other, ground floor is used for earth connection, second to the 4th layer mounts three-phase main traverse line respectively, second is identical with the length of the hanging wire cross bar of the 4th layer, be not less than the leakage distance of twice, add than the length of third layer hanging wire cross bar the leakage distance being not less than a times, the length of third layer hanging wire cross bar is not less than one times of leakage distance.Ground wire and main line wire conveniently erection mode hanging wire, ground wire is articulated in the end of ground floor hanging wire cross bar, as shown in Figure 3; The middle part of second layer hanging wire cross bar or near middle part be not less than one times of leakage distance place be mounted with B phase lead-in conductor and phase modulation after extraction wire, as shown in Figure 4; Third layer hanging wire crossbar end or near end be not less than one times of leakage distance place be mounted with A phase lead-in conductor and phase modulation after extraction wire, as shown in Figure 5; Side in the middle part of 4th layer of hanging wire cross bar, the middle part of the 4th layer of hanging wire cross bar or near middle part be not less than one times of leakage distance place be mounted with C phase lead-in conductor and phase modulation after extraction wire, as shown in Figure 6.The second layer and the 4th layer of hanging wire cross bar grow end partly or are not less than near end between the position of one times of leakage distance and vertical direction is provided with vertical wires, here grow part be the place stretched compared with third layer hanging wire cross bar, this vertical wires is connected with the extraction wire of second layer hanging wire cross bar and the lead-in conductor of the 4th layer of hanging wire cross bar by jumper, for the C phase lead-in conductor on the 4th layer of standard trolley being articulated to the extraction wire of second layer hanging wire cross bar, the B phase lead-in conductor of second layer hanging wire cross bar is connected by the extraction wire of jumper with third layer hanging wire cross bar, the A phase lead-in conductor of third layer hanging wire cross bar is connected by the extraction wire of jumper with the 4th layer of hanging wire cross bar.Insulator is adopted to be connected between above-mentioned wire with hanging wire cross bar, by above-mentioned connection, before phase modulation, junction pole phase place is from top to bottom B, A, C, after phase modulation, the phase sequence obtained is C, B, A, achieves the phase sequence adjustment completing three phase conductors on a base junction pole.
Main line of the present invention is led, ground wire conveniently erection mode hanging wire, and jumper adopts vertical and is in tilted layout, and jumper horizontal arrangement, with the spatial altitude made full use of to greatest extent and width.
Claims (6)
1. a double back overhead transmission line list readjustment phase connection bar, it is characterized in that, this phase modulation junction pole comprises the vertical steel pipe pole of a base single-column, this steel pipe pole is disposed with from high to low four layers of bilateral hanging wire cross bar, ground floor is used for earth connection, second to the 4th layer is respectively used to mount first-phase, second-phase and third phase wire, on described steel pipe pole at least side second to the 4th layer of hanging wire cross bar in two hanging wire cross bar length identical, be not less than the leakage distance of twice, and the leakage distance being not less than a times is added than the length of another hanging wire cross bar, the length of another hanging wire cross bar is not less than the leakage distance of a times.
2. double back overhead transmission line list according to claim 1 readjustment phase connection bar, is characterized in that, the hanging wire cross bar that in described second to the 4th layer, two length is identical is respectively the hanging wire cross bar of the second layer on steel pipe pole and the 4th layer.
3. double back overhead transmission line list readjustment phase connection bar according to claim 2, it is characterized in that, the middle part of the described second layer and the 4th layer of hanging wire cross bar is not less than one times of leakage distance place and is provided with hanging wire point for mounting the extraction wire after corresponding phase lead-in conductor and phase modulation respectively, the end of third layer hanging wire cross bar or be not less than one times of leakage distance place near end and be provided with hanging wire point for mounting the extraction wire after corresponding phase lead-in conductor and phase modulation respectively, the end of the second layer and the 4th layer of hanging wire cross bar or be not less than twice leakage distance place and be provided with hanging wire point for mounting vertical direction wire.
4. the wiring construction of a double back overhead transmission line list readjustment phase connection bar, it is characterized in that, described wiring construction comprises the vertical steel pipe pole of a base single-column, this steel pipe pole is disposed with from high to low four layers of bilateral hanging wire cross bar, ground floor is used for earth connection, second to the 4th layer mounts three-phase main traverse line respectively, in the hanging wire cross bar of described second to the 4th layer, the length of two-layer hanging wire cross bar is identical, be not less than the leakage distance of twice, the leakage distance being not less than one times is added than the length of another layer of hanging wire cross bar, and the middle part of this two-layer hanging wire cross bar be not less than one times of leakage distance place be mounted with the lead-in conductor of corresponding phase and phase modulation respectively after extraction wire, this two-layer hanging wire cross bar grows end partly or is not less than near end between the position of one times of leakage distance and vertical direction is provided with vertical wires, this vertical wires is connected with the extraction wire of upper strata hanging wire cross bar and the lead-in conductor of lower floor's hanging wire cross bar by jumper, the length of another layer of hanging wire cross bar is not less than one times of leakage distance, and the end of this layer of hanging wire cross bar or near end be not less than one times of leakage distance place be mounted with the lead-in conductor of corresponding phase and phase modulation after extraction wire, the lead-in conductor of upper strata hanging wire cross bar is connected with the extraction wire of lower floor hanging wire cross bar by jumper.
5. the wiring construction of double back overhead transmission line list according to claim 4 readjustment phase connection bar, is characterized in that, the hanging wire cross bar that in described second to the 4th layer, two length is identical is respectively the hanging wire cross bar of the second layer on steel pipe pole and the 4th layer.
6. the wiring construction of double back overhead transmission line list readjustment phase connection bar according to claim 5, it is characterized in that, the middle part of the described second layer and the 4th layer of hanging wire cross bar is not less than one times of leakage distance place and is provided with hanging wire point for mounting the extraction wire after corresponding phase lead-in conductor and phase modulation respectively, the end of third layer hanging wire cross bar or be not less than one times of leakage distance place near end and be provided with hanging wire point for mounting the extraction wire after corresponding phase lead-in conductor and phase modulation respectively, the end of the second layer and the 4th layer of hanging wire cross bar or be not less than twice leakage distance place and be provided with hanging wire point for mounting vertical direction wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510501953.0A CN105119228B (en) | 2015-08-14 | 2015-08-14 | A kind of aerial list of double back overhead transmission line adjusts back connect line bar and wiring construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510501953.0A CN105119228B (en) | 2015-08-14 | 2015-08-14 | A kind of aerial list of double back overhead transmission line adjusts back connect line bar and wiring construction |
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| Publication Number | Publication Date |
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| CN105119228A true CN105119228A (en) | 2015-12-02 |
| CN105119228B CN105119228B (en) | 2017-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510501953.0A Active CN105119228B (en) | 2015-08-14 | 2015-08-14 | A kind of aerial list of double back overhead transmission line adjusts back connect line bar and wiring construction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086776A (en) * | 2017-12-04 | 2018-05-29 | 国网河南省电力公司经济技术研究院 | The standard trolley and line-hanging structure of double back overhead transmission line double back single-sided arrangement |
| CN111916301A (en) * | 2020-07-30 | 2020-11-10 | 广东电网有限责任公司 | Phase modulation electric connection device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5175442A (en) * | 1990-10-05 | 1992-12-29 | Ashley James R | Six-phase power line geometry for reduced electric and magnetic fields |
| CN103001165A (en) * | 2012-12-27 | 2013-03-27 | 四川电力设计咨询有限责任公司 | Same-tower dual-loop single-line transposition tower |
| CN104141405A (en) * | 2013-11-15 | 2014-11-12 | 国家电网公司 | Overhead junction pole for two-circuit overhead transmission line and line junction structure of overhead junction pole |
| CN204089116U (en) * | 2014-09-22 | 2015-01-07 | 国家电网公司 | A kind of overhead transmission line double back cable terminal steel pipe pole |
-
2015
- 2015-08-14 CN CN201510501953.0A patent/CN105119228B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5175442A (en) * | 1990-10-05 | 1992-12-29 | Ashley James R | Six-phase power line geometry for reduced electric and magnetic fields |
| CN103001165A (en) * | 2012-12-27 | 2013-03-27 | 四川电力设计咨询有限责任公司 | Same-tower dual-loop single-line transposition tower |
| CN104141405A (en) * | 2013-11-15 | 2014-11-12 | 国家电网公司 | Overhead junction pole for two-circuit overhead transmission line and line junction structure of overhead junction pole |
| CN204089116U (en) * | 2014-09-22 | 2015-01-07 | 国家电网公司 | A kind of overhead transmission line double back cable terminal steel pipe pole |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086776A (en) * | 2017-12-04 | 2018-05-29 | 国网河南省电力公司经济技术研究院 | The standard trolley and line-hanging structure of double back overhead transmission line double back single-sided arrangement |
| CN108086776B (en) * | 2017-12-04 | 2024-05-24 | 国网河南省电力公司经济技术研究院 | Double-circuit overhead transmission line double-circuit unilaterally arranged wire hanging rod and wire hanging structure |
| CN111916301A (en) * | 2020-07-30 | 2020-11-10 | 广东电网有限责任公司 | Phase modulation electric connection device |
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| CN105119228B (en) | 2017-11-14 |
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