Overhead all aluminum stranded conductor steel reinforced / ACSR / ASTM standard of Low Voltage
The products is widely used in the overheard power distribution
system of our country,and it is one of the main products for
forming electrified wire network.
The standard of the product is identical and consulted to
IEC61089(1991) ‘Cricular Central Standed Overhead’ Cable and the
content of Appendix1(1997),laid down Chinese National Standard GB/T
1179/1999 ‘Cricular Central Standed Overhead Cable’.
a.High tensile strength
c.Light in weight
d.Suitable for high as well as extra high overhead voltage lines
ASTM B232 ,IEC61089, BS215 , DIN48204, BS EN50182, GB/T 1179-2008;
ACSR conductor consists of a solid or stranded steel core
surrounded by strands of aluminium (E.C. GRADE).
Conductor(AAC, AAAC and ACSR) have been widely used in power
transmission lines with various voltage levels,because they have
such good characteristics as simple structure,convenient
installation and maintenance,low cost large transmission
capacity.And they are also suitable for laying across rivers
valleys and the places where special geographical features exist.
2. Service Performance
(1). The permissible long-time operating temperature for aerial
conductor is 70oC.
(2). Under the circumstance that rare climate is occuring and ice
coverage rate low in heavy ice area,the biggest stress of cable at
the lowest point of the sag should not exceed 60% of the short-time
(3). When connecting conductors,the conductor beside the connecting
tube cant be prominent.Otherwise,the force on the operating
conductors will be unbalanced.After connectors are install,the
connecting tube should be painted by moisture-proof varnish in
order to protect it from corrosion.
(4). Under installaion,the arc downing stress of all the conductors
should be the same.With in the permissible distance of crossing
buildings or dropping to the ground,the stress can be 10-15% higher
than regular stress.
3. Product Performance
(1). The electrical performance of AAC and ACSR is indicated in
DCΩ/km(20oC).The resistivity of the hard aluminum wire for stranded
wires is not greater than 28.264 nΩ. m of international standard
(2). The rated tensile strength of AAC is denoted with the result
of total cross-section of all aluminum conductors multiplied by
min.tensile of corresponding size specified in the standard for
(3). The rated tensile strengh of ACSR is denoted with sum of all
aluminum conductorstensile strength and steels tensile strength.
a. The tensile strength of all aluminum conductors is denoted with
the result of all cross-sections of aluminum conductors multiplied
by min.tensile strength of corresponding size specified in the
standard for aluminum wire.
b. The tensile strength of all steel wire is denoted with the
result of all cross-sections of steel wires multiplied by the
stress at 1% elongation of corresponding size specified in the
standard for steel wire.
4. Material Standard
(1). The hard aluminum conductor used for AAC and ACSR conforms to
the standard GB/T 17048-1997(equivalent to IEC 60889:1987).
(2). The zinc coated steel wire used for ACSR conforms to IEC
(3). Production can be arranged according to customers requirements
for material standard,etc.
Construction of All Aluminum Conductor and Aluminum Conductor Steel
|AAAC Technical Characters Based on Standard BS EN50182|
|Code||Old Code||Cross section||No. of wires||Diameter||Mass per unit length||Rated strength||DC resistance at 20|
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