EP3437168A1 - Verfahren zur erweiterung der elektrischen übertragungskapazität eines freileitungsmastsystems - Google Patents
Verfahren zur erweiterung der elektrischen übertragungskapazität eines freileitungsmastsystemsInfo
- Publication number
- EP3437168A1 EP3437168A1 EP17714695.8A EP17714695A EP3437168A1 EP 3437168 A1 EP3437168 A1 EP 3437168A1 EP 17714695 A EP17714695 A EP 17714695A EP 3437168 A1 EP3437168 A1 EP 3437168A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- transmission
- mast
- line
- high voltage
- overhead
- 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.)
- Withdrawn
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000004020 conductor Substances 0.000 claims description 57
- 230000002787 reinforcement Effects 0.000 claims description 10
- 239000012212 insulator Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 239000002689 soil Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 235000010678 Paulownia tomentosa Nutrition 0.000 claims description 4
- 240000002834 Paulownia tomentosa Species 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 1
- 238000005457 optimization Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000002131 composite material Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000009933 burial Methods 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004382 potting Methods 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/16—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate against adverse conditions, e.g. extreme climate, pests
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
Definitions
- the invention relates to a method for expanding the electrical transmission capacity of a Questioneitmasmastsys ⁇ tems as part of an electrical high voltage network.
- the invention relates to a process for the subsequent extension of the electrical transmission capacity of an existing pylon system as part of an electric high-tension ⁇ voltage network in the sense of exercise.
- Overhead masts are used to transmit electrical energy over long distances.
- overhead line mast systems are, in particular, high and high voltage mast systems with overhead lines stretched between them, the overhead lines generally comprising a plurality of line cables which are suspended between insulators of the overhead line masts.
- the invention is therefore based on the object of providing a method for expanding the electrical transmission capacity of overhead line mast systems, which requires only minimal intervention in existing overhead line mast systems.
- the invention is further based on the object to provide a ent ⁇ speaking trained overhead line system.
- a method of minimally invasive transmission network in existing pylon systems is pre schla ⁇ gene with a combination of measures advocatester achieved an increase in the total transmission capacity of the Freilei ⁇ tung mast systems.
- One aspect of the invention relates to a method for preferably subsequent extension of the electrical transmission capacity of an overhead line system as part of a high-voltage electrical network comprising at least two free ⁇ line poles and several tensioned between these cables ⁇ ropes, wherein the stretched between the transmission towers line cables a total transmission capacity and having a total cable cross-section, the method provides for an increase of the total transmission capacity between the pylons by means of one or more process steps selected from a group comprising the following procedural ⁇ rens Marine: a) clamping at least one additional with respect to the existing conductors insulated conductor cable between pylons , b) clamping at least one additional conductor cable between the transmission towers, that with an existing
- Conductor cable is in direct electrically conductive contact, c) replacing at least one conductor cable with a first smaller conductor cross-section against a conductor cable with a second larger conductor cross-section or with a higher conductivity, d) replacing at least one conductor cable with Einzellei ⁇ tern, which have a symmetric cross-section, against a conductor cable with single conductors, which have an asymmetrical cross-section, and e) at least partially changing the arrangement, interconnection and isolation of the conductors from extra-high or high-voltage- AC transmission on high voltage or high voltage DC transmission.
- At least one additional conductor cable preferably a plurality of additional conductors between existing Freilei ⁇ tung masts are clamped.
- This concept assumes that the transmission towers have additional load reserves to accommodate additional conductors. This results in a higher total line cross section.
- the load-bearing capacity of the existing transmission towers is insufficient, they can be strengthened accordingly, either by structurally reinforcing the mast structure or reinforcing the foundation.
- At least one additional conductor cable between the free ⁇ line poles is clamped so that this is in direct electrically conductive contact with an existing conductor cable.
- the second conductor cable is expediently adapted to transmit the same current phase as that conductor cable, with which this in electrically conductive contact stands.
- the cross-section and thus the over ⁇ transmission capacity of that conductor cable or Subject Author ⁇ fenden current phase is increased.
- at least one conductor cable with a first smaller line cross section is exchanged for a conductor line with a second larger line cross section or with a larger conductivity.
- At least one conductor cable with Einzellei ⁇ tern having a symmetrical cross section be against a conductor cable with single conductors, which have an asymmetrical cross-section, replaced.
- individual conductors may be stranded with an asymmetrical cross section, for example trapezoidal cross-section to a more dense cross-section, so that the conductor cable in question has a ge ⁇ closed surface and a raised cross-section.
- the increased cross section results in particular by avoiding wire gaps between the individual conductors.
- an existing overhead line system designed for high voltage or high voltage AC transmission may be partially umseiled from AC to DC, such that the overhead transmission system is designed as a hybrid system for AC and DC.
- a former Freilei ⁇ mast mast for 2 x 220 kV AC systems on one side include a DC system with +/- 250 kV.
- the insulation coordination for the DC system with, where appropriate, medium-voltage return must be carried out anew and thus the insulator length, creepage distance and positions must be verified.
- a mutual electric and magnetic embedding ⁇ hnelung of the systems can be avoided, for example by using a 50 Hz filter in the DC system.
- a partial conversion of at least two transmission towers and the tensioned between these cables from high voltage or high voltage AC transmission to high voltage or high voltage AC transmission and high voltage or high voltage DC transmission (hybrid system).
- Active cooling can be carried out, for example, by means of heat exchangers provided on the conductors ⁇ len, which are flowed through by a heat exchange medium or a heat exchanger fluid.
- the circulation of the heat exchanger medium can, for example, arranged on the transmission towers Wind power operated or solar power driven aggregates suc ⁇ gene.
- a structural reinforcement of at least one of the transmission towers to increase their carrying capacity is provided, so that a corresponding Umbeseilung towards a larger overall line cross-section is possible.
- Structural changes of the pylons can be achieved acting increase in combination with the existing support structure the Intelfä ⁇ ability of transmission towers, both against bending, lateral buckling, axial force and generally increased unbalanced load for example by aerodynamic fairings.
- it may be provided to provide additional bracing within existing overhead transmission towers, for example in the form of cables that run as far as possible along the existing support structure and absorb tensile forces.
- a structural reinforcement in the form of a retrofitting the Gitterterrorism Modell of overhead line systems may be provided, such a retrofit method laying at least one hose along a support or a cross member or a diagonal strut of a transmission tower or along at least a partial length of the support or the cross member or the Diago ⁇ nalstrebe may include, wherein the hose is made of a tensile material or has a tensile reinforcement or a tensile element encloses or is connected to a tensile element, wherein the method of attaching the hose and / or the tensile element at a plurality of spaced comprising mutually arranged attachment points of the support or the transverse strut or the diagonal strut and the compression of a curable potting compound in the hose.
- mast structure or supporting structure of an overhead line mast with a corrosion-inhibiting coating which forms a composite with the supporting structure of the overhead line mast.
- supporting structures of the overhead line mast can be reinforced with structural membranes made of fiber composite material.
- the method may further include upgrading existing foundations of the transmission towers.
- an additional mast can be placed between at least two transmission towers, which supports a part of the weight of the conductor cables against a substrate, wherein the support distance of existing transmission towers is reduced.
- Foundation reinforcements can be introduced, for example, by enlarging the existing individual foundations, by connecting the individual foundations to strip foundations, by incorporating the individual foundations into a continuous flat foundation, by providing pile foundations which are shaking or hammering, by soil compression or soil compaction, and by combining the aforementioned measures be performed.
- base reinforcements and reinforcements can be performed, for example by Einzie ⁇ hen additional struts and / or bracing the bottom of the masts.
- corner handles can be embedded in concrete up to one third of the total height, which increases the free cantilever length and relieves the load on the upper support structure.
- an overhead line system is furthermore provided, with at least two transmission towers as steel half-timbered structures with profiles which define a supporting structure.
- insulators being mounted on each of the at least two transmission towers, and conductor cables each suspended from the insulators and tensioned between the at least two transmission towers, with means for reinforcing the overhead transmission towers selected from a group comprising:
- the aforementioned measures are used to improve the support structure in terms of a greater load and allow a significant increase in the total transmission capacity between the free power pylons in terms of increasing the overall line cross-section.
- At least one of the transmission towers can be provided with an additional bracing against a foundation, if necessary. Also against an extended foundation.
- bracing for example steel cables can be provided.
- an aerodynamic fairing may be provided on at least one profile of the supporting structural ⁇ structure.
- aerodynamic panels are, for example, Verientspro ⁇ file into consideration, which have an inflow surface and form a Strömungsabschattung a wind exposed edge of the profile.
- Such cladding profiles may, for example, form a structural composite with the profiles of the support structure, for example, these may be formed as shell-shaped profile segments, which are backfoamed with a thermoplastic.
- means are provided for increasing the free buckling length of at least one profile in the form of elements which extend parallel to and extend to at least one profile of the support structure and which have tensile or compressive forces.
- This can be, for example, rods or cables, which are stretched, for example, parallel to profiles of the support structure.
- hoses or the like pressed with a potting compound can be provided, as already described above.
- a structurally reinforcing coating of at least one profile can be provided.
- means are provided for increasing the base load capacity, for example, by zusharm ⁇ Liche in situ shallow foundations or deep foundations.
- At least one additional telescoping additional mast is provided, which is arranged within the grid structure of at least one overhead line and pressure forces derived from upper parts of the lattice structure and increases in this way the overall load capacity of the overhead line system.
- the support distance of Schwarzsei ⁇ le is reduced in this way.
- Means for providing or generating electrical energy may be provided on at least one of the transmission towers, such as PV cells, batteries or small wind turbines, which feed and store energy and provide the energy for active cooling, ie systems for cooling and sensory monitoring support the conductors.
- Fig. 1 shows the representation of an overhead line mast
- the transmission tower 1 shown in Fig. 1 is designed as herkömmli ⁇ che, open steel framework construction.
- the Freilei ⁇ mast 1 includes a plurality of mast boom 2, each receiving insulators 3, where unillustrated line ⁇ ropes are suspended.
- the lowest arranged in the figures mast bracket 2 take ropes of the 110 kV voltage level, the mast arm 2 arranged above take on cables of the 380 kV voltage level.
- the upper mast brackets 2 are designed to receive each side with four type 265/35 conductor cables each 22 mm in diameter.
- Each of the ladder ropes may be formed as a 265 mm 2 section steel-aluminum composite rope.
- Such a conductor cable may for example comprise a steel core of seven individual wires and twenty-four aluminum wires in two layers, which are struck in opposite directions for stability reasons.
- the middle mast booms 2 in the example according to FIG. 1 can accommodate four conductor cables of the type 265/35 on each side.
- the mast booms 2 arranged underneath are designed to receive three type 265/35 conductor cables per side.
- FIG. 2 1 The configuration of FIG. 2 1 only in that the upper and middle mast bracket 2 each include conductors of the type 435/55, which have a diameter of in each case 28 mm and a cross-sectional ⁇ area of each 435 mm 2 differs from that according to FIG. , This means a cross- sectional widening of approximately 60% compared to the embodiment according to FIG. 1.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016205118.0A DE102016205118A1 (de) | 2016-03-29 | 2016-03-29 | Verfahren zur Erweiterung der elektrischen Übertragungskapazität eines Freileitungsmastsystems |
PCT/EP2017/057355 WO2017167776A1 (de) | 2016-03-29 | 2017-03-29 | Verfahren zur erweiterung der elektrischen übertragungskapazität eines freileitungsmastsystems |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3437168A1 true EP3437168A1 (de) | 2019-02-06 |
Family
ID=58461300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17714695.8A Withdrawn EP3437168A1 (de) | 2016-03-29 | 2017-03-29 | Verfahren zur erweiterung der elektrischen übertragungskapazität eines freileitungsmastsystems |
Country Status (4)
Country | Link |
---|---|
US (1) | US10622798B2 (de) |
EP (1) | EP3437168A1 (de) |
DE (1) | DE102016205118A1 (de) |
WO (1) | WO2017167776A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017217548A1 (de) * | 2017-10-02 | 2019-04-04 | Siemens Aktiengesellschaft | Gleichstrom-Übertragungssystem |
DE102019211948A1 (de) * | 2019-08-08 | 2021-02-11 | Siemens Energy Global GmbH & Co. KG | Schutz eines Wechselstromgeräts |
JP7400525B2 (ja) | 2020-02-18 | 2023-12-19 | 中国電力株式会社 | 電力分岐鉄塔および電力分岐設備およびこれらのための接続構造 |
CN111734197B (zh) * | 2020-06-30 | 2021-08-03 | 江苏铭远杆塔有限公司 | 一种抗风输电塔 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2036225A (en) | 1931-08-28 | 1936-04-07 | Ohio Brass Co | Lightning guard for transmission lines |
AU1920570A (en) | 1969-09-29 | 1972-03-02 | Nathaniel Shealy Alexander | Vibrationless electrical conductors |
DE2512764A1 (de) * | 1975-03-22 | 1976-09-23 | Felten & Guilleaume Carlswerk | Verfahren zur erhoehung der uebertragungsleistung und der wirtschaftlichkeit einer hochspannungsfreileitung und zur durchfuehrung dieses verfahrens geeignete hochspannungsfreileitung |
JPS6353502A (ja) * | 1986-08-25 | 1988-03-07 | Hitachi Cable Ltd | 送電線鉄塔への光フアイバケ−ブル布設方法 |
US20040262022A1 (en) * | 2002-09-03 | 2004-12-30 | Manuchehr Shirmohamadi | Alloy compositions for electrical conduction and sag mitigation |
US7606017B2 (en) * | 2006-03-03 | 2009-10-20 | Rizk Farouk A M | Protection device: surge suppressing conductor |
US20110025070A1 (en) | 2009-07-31 | 2011-02-03 | Arnold Price | Utility grid vertical axis wind turbine system |
US8365471B2 (en) | 2010-02-01 | 2013-02-05 | Aluma Tower Company, Inc. | Automated telescoping tower |
US9742165B2 (en) * | 2012-03-30 | 2017-08-22 | Elwha Llc | Apparatus and system for scheduling mobile device operations on a power transmission system |
DE102012012401A1 (de) | 2012-06-25 | 2014-01-02 | Rwe Innogy Gmbh | Verfahren zur stromregelung |
DE102014001893A1 (de) | 2014-02-12 | 2015-08-13 | Rwe Deutschland Ag | Aerodynamische Verkleidung an Fachwerkstrukturen sowie Verfahren zur Standfestigkeitserhöhung von Fachwerkstrukturen |
-
2016
- 2016-03-29 DE DE102016205118.0A patent/DE102016205118A1/de not_active Withdrawn
-
2017
- 2017-03-29 EP EP17714695.8A patent/EP3437168A1/de not_active Withdrawn
- 2017-03-29 WO PCT/EP2017/057355 patent/WO2017167776A1/de active Application Filing
- 2017-03-29 US US16/089,349 patent/US10622798B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
DE102016205118A1 (de) | 2017-10-05 |
US10622798B2 (en) | 2020-04-14 |
WO2017167776A1 (de) | 2017-10-05 |
US20190115740A1 (en) | 2019-04-18 |
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