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Network Transformers - Augier

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RECOMMENDED TYPES OF CABLE<br />

Please note that the use of synthetic cables has become widespread over the last few years since the rapid<br />

development of new types of material. The use of PRC cables is now recommended.<br />

These cables must have the following characteristics :<br />

Standard : NF C 33-220<br />

Voltage between phases : 6 kV<br />

Conductor : class 2<br />

Copper conductor<br />

EPR insulation<br />

Filling<br />

Semi-conductor tape<br />

Copper tape<br />

Paper covered matress<br />

Armour covered<br />

Outside sheath<br />

Copper conductor<br />

Semi conductor<br />

PR insulation<br />

Semi conducting sheath<br />

Copper shield<br />

Outside sheath<br />

Cable cross<br />

section<br />

(mm²)<br />

3 x 1 x 10<br />

Cable cross<br />

section<br />

(mm²)<br />

Non-radical field three-pole 6 / 6kV cable<br />

Exterior<br />

diameter<br />

maximum<br />

(mm)<br />

Acceptable<br />

intensity (A)<br />

Buried Unburied<br />

3 x 10 33 72 62<br />

3 x 16 35 94 81<br />

3 x 25 39.5 120 105<br />

3 x 35 43 145 130<br />

Curved ribbon : 9 x the exterior diameter<br />

Twisted three-pole 3.6 / 6 kV cable<br />

Exterior<br />

diameter<br />

maximum (mm)<br />

Sheath O-Ring<br />

18 36<br />

Curved ribbon : 9 x the exterior diameter on the O-ring.<br />

Acceptable<br />

intensity (A)<br />

Buried Unburied<br />

3 x 1 x 16 19.6 39.5 125 120<br />

3 x 1 x 25 21.2 42.5 160 155<br />

3 x 1 x 35 22.4 45 190 190<br />

97<br />

92<br />

24

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