ACSR (Aluminum Conductor Steel Reinforced)

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ACSR (Aluminum Conductor Steel Reinforced)

These conductors are formed by several wires of aluminum and Galvanized steel, stranded in concentric layers.

The wire or wires which form the core are made of galvanized steel and the external layer or layers are of aluminum.

Normally these conductors have a galvanized steel sore of 1,7,19 or 37 wires, surrounded by concentric layers of aluminum wires.

The diameters of the steel and aluminum wires can be alike or different.

By varying the relative proportions of aluminum and steel ratios, the ideal conductor can be producted for any particular application.

In this way, if a high tensile strength conductor is required, the number of steel wires can be increased until the required strength is reached.

When a conductor with high current carrying capacity and a comparatively low strength is required, this is attained with a high aluminum content.

Properties

In comparison with copper, these conductors have considerable technical and economical advantages in the installation advantages in the installation of overhead lines.

Its characteristics, and low weight, combined with its high breaking strength, are gathered which makes it possible to bave large span runs, without having to revert to excessive mechanical tresses or to heavy metallic towers.

Due to the greater diameter of the conductors, electric losses by the corona Effect are greatly reduced.

Buy making use of these properties Economical electric energy. Transmission is attained at very High voltages and distances.

Main applications

Overhead lines of medium, high and very high voltages.

DIN48204

Nominal Area		Area
Aluminium	Steel	Aluminium	Steel	Total
mm2	mm2	mm2	mm2	mm2
16	2.5	15.3	2.5	17.8
25	4	23.9	4.0	27.8
35	6	34.4	5.7	40.1
44	32	44.0	31.7	75.6
50	8	48.3	8.0	56.3
50	30	51.2	29.8	81.0
70	12	69.9	11.4	81
95	15	94.4	15.3	110
95	55	96.5	56.3	153
105	75	105.7	75.5	181
120	20	121.6	19.8	141
120	70	122.1	71.3	193
125	30	127.9	29.8	158
150	25	148.9	24.2	173
170	40	171.8	40.1	212
185	30	183.8	29.8	214
210	35	209.1	34.1	243
210	50	212.1	49.5	262
230	30	230.9	29.8	261
240	40	243.1	39.5	283
265	35	263.7	34.1	298
300	50	304.3	49.5	354
305	40	304.6	39.5	344
340	30	339.3	29.8	369
380	50	381.7	49.5	431
385	35	386.0	34.1	420
435	55	434.3	56.3	491
450	40	448.7	39.5	488
490	65	490.3	63.6	554
495	35	494.4	34.1	528
510	45	510.5	45.3	556
550	70	549.7	71.3	621
560	50	561.7	49.5	611
570	40	571.2	39.5	611
650	45	653.5	45.3	699
680	85	678.6	86.0	765
1045	45	1045.6	45.3	1091

ACSR (Aluminum Conductor Steel Reinforced)