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1) Reduce investment
.
This wire has a relatively large pulling weight and is superior to other wires
in arc sag characteristics.
Therefore, in the process of application to transmission lines, the block distance of the transmission pole tower can be appropriately increased, thereby reducing the investment in
the laying of the line.
2) Long
service life.
Medium strength all-aluminum alloy wire has strong elongation and can still work normally under high depression after stretching.
The strength of the loss report is within
the bearable Van L seal.
Since this kind of wire belongs to medium strength wire, it has higher overload resistance than low strength wire, and it also has great advantages
in fatigue resistance.
3) The vertical load is small
.
Contrast steel core aluminum stranded wire.
Under the same steam diameter and equivalent horizontal load conditions, this kind of wire is subjected to about 10% less vertical load than steel core aluminum grain wire.
Therefore, it is also relatively
simple in construction.
4) High
work efficiency.
The all-aluminum alloy wire is made of the same material, so when applied to the Yudian line, only one connecting bamboo is needed to ensure its normal use
.
This material is 1-2 times that of aluminum wire in terms of yield strength, if the compression type is connected.
The lantern phenomenon or the bulging of wires in conventional applications can also be alleviated
.
For strong jumpers, it can reduce the working prison of crimping to a certain extent.
Boost productivity
.
5) The chance of harvesting wear is small
.
The hardness of the all-aluminum alloy wire is relatively high, and it has been able to reach the Brinell hardness of 85HB.
It is twice
the material of aluminum wire.
This material is lighter than steel core aluminum stranded wire in the process of building on transmission lines.
The pay-off link can reduce the friction on the surface and extend
the life of the line.
The high quality of the conductor surface reduces the degree of radio interference and corona loss
during operation of the transmission line.
6) Small
power loss.
When applying all-aluminum alloy wire to transmission lines, although its DC resistivity is slightly higher than that of duralumin wire.
The degree is about 4.
3%, but after the energization, because the all-aluminum alloy wire is the same as the steel core aluminum stranded wire in diameter, the conductive section is higher than the steel core aluminum stranded wire.
So at 20 degrees Celsius.
The DC resistance is slightly lower than that of steel core aluminum stranded wire
.
1) Reduce investment
.
This wire has a relatively large pulling weight and is superior to other wires
in arc sag characteristics.
Therefore, in the process of application to transmission lines, the block distance of the transmission pole tower can be appropriately increased, thereby reducing the investment in
the laying of the line.
2) Long
service life.
Medium strength all-aluminum alloy wire has strong elongation and can still work normally under high depression after stretching.
The strength of the loss report is within
the bearable Van L seal.
Since this kind of wire belongs to medium strength wire, it has higher overload resistance than low strength wire, and it also has great advantages
in fatigue resistance.
3) The vertical load is small
.
Contrast steel core aluminum stranded wire.
Under the same steam diameter and equivalent horizontal load conditions, this kind of wire is subjected to about 10% less vertical load than steel core aluminum grain wire.
Therefore, it is also relatively
simple in construction.
4) High
work efficiency.
The all-aluminum alloy wire is made of the same material, so when applied to the Yudian line, only one connecting bamboo is needed to ensure its normal use
.
This material is 1-2 times that of aluminum wire in terms of yield strength, if the compression type is connected.
The lantern phenomenon or the bulging of wires in conventional applications can also be alleviated
.
For strong jumpers, it can reduce the working prison of crimping to a certain extent.
Boost productivity
.
5) The chance of harvesting wear is small
.
The hardness of the all-aluminum alloy wire is relatively high, and it has been able to reach the Brinell hardness of 85HB.
It is twice
the material of aluminum wire.
This material is lighter than steel core aluminum stranded wire in the process of building on transmission lines.
The pay-off link can reduce the friction on the surface and extend
the life of the line.
The high quality of the conductor surface reduces the degree of radio interference and corona loss
during operation of the transmission line.
6) Small
power loss.
When applying all-aluminum alloy wire to transmission lines, although its DC resistivity is slightly higher than that of duralumin wire.
The degree is about 4.
3%, but after the energization, because the all-aluminum alloy wire is the same as the steel core aluminum stranded wire in diameter, the conductive section is higher than the steel core aluminum stranded wire.
So at 20 degrees Celsius.
The DC resistance is slightly lower than that of steel core aluminum stranded wire
.
