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Energy Supply Systems - AC Smith & Co A/S

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Max. OD of Round<br />

Cable or Thickness<br />

or Flat Cable<br />

[mm]<br />

R<br />

R<br />

R<br />

R<br />

R R<br />

R<br />

(in accordance to DIN/VDE 0298 part 3)<br />

Mechanical Criteria<br />

Minimum Permissible Bending Radius Roller Guide Arrangement<br />

Hard<br />

Wiring<br />

Free<br />

Movement<br />

Looping<br />

At<br />

Centre<br />

Feed<br />

Cable<br />

Reels<br />

Roller<br />

Guides<br />

and<br />

Sheaves<br />

_< 8<br />

Nominal Voltage (U0 /U)<br />

_< 0.6 / 1 kV > 0.6 / 1 kV<br />

> 8 > 12 > 20<br />

_< 12 _< 20<br />

3 x d 3 x d 4 x d 4 x d 6 x d<br />

3 x d 4 x d 5 x d 5 x d 10 x d<br />

3 x d 3 x d 5 x d 5 x d 10 x d<br />

5 x d 5 x d 5 x d 5 x d 12 x d<br />

7,5 x d 7,5 x d 7,5 x d 7,5 x d 15 x d<br />

Maximum Permissible Cable Tension<br />

Recommendations for proper roller guide or<br />

sheave roller location.<br />

Diversion Angle<br />

Diversion Angle<br />

Applications for roller guides with a<br />

deviation angle > 5°:<br />

� ������ �� �� �� ��<br />

Reel diameter = 10 x cable OD<br />

� ������ � �� ��<br />

Reel diameter = 12 x cable OD<br />

� ����� �����������<br />

Roller or sheave diameter = 15 x cable OD<br />

(to DIN/VDE 0298 part 3)<br />

When roller guides<br />

or sheave rollers<br />

are used, the reel<br />

spring force must be<br />

checked.<br />

�� ���������� �� ��� ���� ������� � ���������� ������� �� �� ����� �� ��� ����� �� ����������� ��� ������ ��������� ����� ���� ��� �����<br />

copper cross-section of the cable.<br />

Depending on the type of cable this value could be higher. Supplier should be consulted.<br />

Cable screens, concentric conductors, divided conductors, additional control cores and/or supervising cores must be taken into consideration.<br />

b<br />

b<br />

[mm]<br />

3º Diversion<br />

Angle<br />

a [mm]<br />

5º Diversion<br />

Angle<br />

45 450 250<br />

75 750 450<br />

100 1000 600<br />

130 1250 750<br />

150 1450 850<br />

220 2100 1250<br />

250 2400 1450<br />

320 3050 1850<br />

380 3650 2200<br />

FLT<br />

FLT<br />

FLT<br />

FLT<br />

a<br />

a<br />

UR<br />

a<br />

UR<br />

UR<br />

a<br />

3 - 5º<br />

3 - 5º<br />

FLT<br />

a<br />

UR<br />

UR<br />

a<br />

FLT<br />

UR<br />

h<br />

11

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