Failure prediction analysis of an accc conductor subjected. Acsr, aac, aaac, acsstw, accc, acar bare conductor. Accc is capable of carrying up to twice the current of a conventional acsr conductor of the same diameter and similar weight. Aac all aluminum conductor is the most economical bare overhead conductor due to its lighter weight. The draft guidelines give guidance as to the likely issues the accc will focus on when considering media. The other, referred to as accr aluminum conductor composite reinforced, is. While it is not uncommon to assume that the accc conductor, with its hybrid carbon and glass fiber composite core and added aluminum content 28%, may, at first glance, appear to be more expensive than a conventional steelreinforced conductor alternative such as acsr or acss, its not too difficult to understand how the accc conductor s greater strength. Compared to a conventional steel core, the composite core has. Legaltalk alert au updated media merger guidelines issued by accc for public consultation. Accc conductor aluminum conductor carbon fiber composite core. Accc conductor information fron the free downloads available.
Accc conductor advantages increase line capacity accc conductor can carry up to twice the current of conventional steel. Higher capacity and reduced sag helps improve the overall reliability of the grid. Development of stressstrain polynomials for accctw drake. Start this article has been rated as startclass on the projects quality scale. Accc releases 2008 merger guidelines 20 january 2009 topics. Aluminum conductor composite reinforced technical information. The patented composite core is manufactured using a proprietary pultrusion. Ctc global accc conductors ability to carry up to twice the current of a conventional conductor makes it ideally suited for increasing the capacity of existing transmission and distribution lines without the need to reinforce or replace existing structures. The new conductor achieved its high capacity objective while offering a substantial reduction in thermal sagcompared to any other commercially available conductor, due to its very low coefficient of. Updated media merger guidelines issued by accc for public. The wire is corrosion resistant due to its homogeneous construction. The trapezoidal strands of the conductor are annealed, and are subject to damage. Located in irvine, california, ctc global serves utility and industrial companies around the world.
Guidelines and interim forms for merger and nonmerger. This article is within the scope of wikiproject energy, a collaborative effort to improve the coverage of energy on wikipedia. Demand for power continues to increase at an alarming rate, forcing utilities to put greater and greater electrical loads on their existing lines. It offers easier handling during installation and use of simpler fittings. Conductor composite core accc, a high temperature composite core conductor. Three different configurations are compared figure i.
Accc has higher rated tensile strength compared with conductors of equivalent diameter accc has higher ampacity higher aluminum crosssectional area leads to lower ultimate temperatures compared with conductors of equivalent diameter accc has a composite core epoxy, glass fibers and carbon fibers. Consistent performance at high temperatures over long periods of time. Computer aided analysis and design of ehvac transmission line. Wi750070 rev b page 3 of 8 2017 ctc global for use with accc conductor only. The accc conductor achieves the highest ampacity at the coolest operating temperature compared to the other high temperature capable conductors,as shown in figure 1. The unique combination of an aluminum matrix core and heat resistant alzr outer strands provides many advantages over other conductors. It becomes more complicated when the conductor consists of multiple materials. Lift reel by approaching from the side and placing forks under flanges. One, referred to as accc aluminum conductor composite core, is being marketed by composite technology corporation. Nov, 2017 learn how to properly install an afl designed compression splice for accc conductor. Accc conductor aluminum conductor composite core is a high capacity, low sag conductor which consists of a carbon fiber composite core encased in a protective fiberglass sheath that is helically wrapped with conductive aluminum strands. The accc considers particular issues when it considers the impact of media mergers on competition. Preformed line products now provides all hardware needed.
The accc first published its media merger guidelines in 2006 to explain the regulators approach to assessing media mergers. Accc approves the form of the application and notifications. Accc is a breakthrough technology that uses a high strength. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks. Development of stressstrain polynomials and creep parameters for accctw conductors introduction this report describes the process used to develop new stressstrain polynomials. High performance conductors an international viewpoint. B burks, d armentrout, j buckley, m baldwin, m kumosa, hybrid composite rods subjected to excessive bending loads, composites science and technology, in press. Accc conductor information free downloads available.
Computer aided analysis and design of ehvac transmission. Accc conductor, bare conductors accc, accc conductors manufacturer supplier in china, offering accc conductor aluminum conductor carbon fiber composite core reinforced, 110kv 70mm2 95mm2 aluminum xlpe insulated power cable, low voltage pvc insulation electrical wire and so on. Temperature and frequency effects on cable resistance. Temperature and frequency effects on cable resistance snapshots on multimaterials power cable linear resistance introduction the influence of certain parameters is often better understood in the case of conductors consisting of single material. The aluminum conductor composite core accc uses a high strength hybrid composite core to resist thermal sag through its low coefficient of thermal expansion.
It has a core comprised of glass and carbon fibers bonded with a polymer resin. Figure 1 comparison of several conductor types while the accc conductor core was developed using aerospace grade carbon and glass fibers and a highperformance, hightemperature resin. Accc aluminium conductor composite core is a registered trade mark for a type of hightemperature lowsag htls overhead power line conductor manufactured by 25 international and authorized conductor manufacturers. However, most existing transmission circuits have been designed for operation at or below 93. Get info about accc features, selection, specifications, installation, training and support. The high strength structural core carries most of the conductors mechanical load, while the fully annealed aluminum strands carry all of the conductors electrical current. Development of stressstrain polynomials background the stressstrain ss relationship of a conductor that is constructed with two parts a core and aluminum strands wrapped helically in layers around it is developed via a standard test procedure described in a method for ss testing. After substantial testing, accc conductor was commercially deployed in 2005. Accc releases 2008 merger guidelines cooper grace ward. Accc conductor consists of a hybrid carbon and glass fiber core which is stranded with trapezoidal shaped aluminum strands.
Accc conductor is the worlds most efficient high capacity transmission conductor. The accc conductor could be damaged if such devices are used. The highcapacity, highefficiency, lowsag accc conductor has raised the performance bar over other commercially available conductors. Accc releases revised merger guidelines outline at a joint stephens lawyersamerican chamber of commerce business luncheon, accc chairman mr graeme samuel, announced the release of the revised merger guidelines 2008 the revised guidelines. Accc conductor description the idea of a carbon fibre supported conductor is old, but was abandoned due to carbon aluminium corrosion and impractical stringing.
Sag accc aluminum conductor composite core conductor. Ctc global formerly composite technology corporation developed the patented technology. Right hand standard or non specular nil 22887 lbf 58 lbkft 736 lbkft 27504 lbf 0. Preformed line products now provides all hardware needed for. It has provided core for over 450 projects totaling over 42,000 kilometers of power lines. Failure prediction analysis of an accc conductor subjected to.
We have prepared guidelines to help businesses and their advisers understand the new provisions relating to merger and nonmerger authorisations and how the accc proposes to assess applications for authorisation under the new tests. China accc conductor bare cable for overhead china accc. Accc conductor installation guidelines chapter 1 general guidelines. In this paper acsr moose conductor and accc delhi conductor are used to transfer 600 mw power at 400 kv voltage level for 430 km long transmission line. Acsr, aac, aaac, acsstw, accc, acar bare conductor inquiry if you are interested in acsr, aac, aaac, acsstw, accc, acar bare conductor,please feel free to give your inquiry in the form or the email below. May 03, 2016 system testing has shown that the accc conductor and ancillary hardware can be subjected to at least one 1 eight hour cycle per year to 215c over the life of the conductor, with little consequence. Accc conductor news ctc global february 2014 uhv accc applications while accc is commonly used to increase the capacity of transmission and distribution lines ranging from 30 to 345 kv, during the last few years a number of utilities have begun recognizing the advantages of.
Accc is a breakthrough technology that uses a high strength carbon and glass fibre core to increase the capacity and efficiency of overhead power lines. Failure prediction analysis of an accc conductor subjected to thermal and mechanical stresses may 2010 ieee transactions on dielectrics and electrical insulation 172. The ctc global accc conductor utilizes a hybrid carbon and glass fiber core embedded in a highperformance thermoset epoxy matrix. Pdf images of alcoa sag10 wire file edit windows us units hly 009085 022607 1122lk i 2262007.
The current guidelines were published in 2008 and replace the merger guidelines 1999 pdf 487. Accc conductors are required to exhibit lay lengths ratios that conform to astm b 857 or en 50540. Accc conductor news ctc global february 2014 uhv accc applications while accc is commonly used to increase the capacity of transmission and distribution lines ranging from 30 to 345 kv, during the last few years a number of utilities have begun recognizing the advantages of accc in higher voltage applications. Aaac is an alternative where aac conductors do not provide the required strength and acsr.
For further information please refer to accc technical note tn750001. Figure 1 comparison of several conductor types while the accc conductor core was developed using aerospace grade carbon and glass fibers and a highperformance, hightemperature resin system, its exceptionally highstrength and. Accc conductor aluminum conductor carbon fiber composite. Accc conductor improving the efficiency, capacity and reliability of the grid deployed to over 300 project sites in 30 countries by over 100 utilities 2. It should also reduce generation capacity requirements by 600kw and save the emission of over 40,000 metric. It carries twice the amount of electricity while cutting line losses by 2540% compared to any other conductor of the same diameter and weight under equal load conditions. It provides guidance on the factors the accc considers relevant to its consideration of mergers and includes discussion of the issues relevant to enforceable undertakings. While it is not uncommon to assume that the accc conductor, with its hybrid carbon and glass fiber composite core and added aluminum content 28%, may, at first glance, appear to be more expensive than a conventional steelreinforced conductor alternative such as acsr or acss, its not too difficult to understand how the accc conductors greater strength. Low this article has been rated as lowimportance on the. Learn how to properly install an afl designed compression splice for accc conductor. Accctwaccctw aluminium conductor composite core trapezoidal wires aluminium composite core mechanical properties type code name stranding nominal diameter mm cross sectional area mm. Instead of building new transmission lines, accc conductors can replace existing acsr conductors, thus allowing utilities to. Accc conductor is produced with 50 otempered aluminum. Figure 1 conductor comparison showing ampacity capabilities, attainable at recommended thermal limits of.
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