TABLE 1A
Special type test for Type 2 cables
|
Sample conditions |
|
|
|
Test description |
Aged |
Unaged |
Method |
Requirement |
Sheath cut through |
Yes |
Yes |
HD 605.2.4.6 |
The median force at which the cutting edge makes contact with the armour shall be not less than: Unaged 500 N for sample at 20°C 100 N for sample at 70°C Aged 300 N for sample at 20°C 80 N for sample at 70°C |
Crush on complete cable |
Yes |
Yes |
HD 605.2.4.7 |
The median force at which the tester stops shall be not less than 5000 N for sample at 20°C 1000 N for sample at 70°C |
Retraction of sheath |
No |
Yes |
HD 605.2.4.4.2 |
There shall be not more than 1mm of movement between the outer sheath and gland body at each end. |
Sheath penetration |
No |
Yes |
HD 605.2.4.3 |
The sheath shall withstand the voltage test. |
Long term water immersion test |
No |
Yes |
HD 605.5.3.1 |
The cable shall meet the insulation resistance and voltage withstand requirements given in HD 605.5.3.1. There shall be no significant signs of corrosion of the armour wires nor presence of free water. |
Flame propagation test on insulated core taken from cable (Tl Z insulation only) |
No |
Yes |
HD 405.1 |
The core shall meet the requirements given HD 405.1 |
TABLE 1A
Special type test for Type 2 cables (concluded)
|
Sample conditions |
|
|
|||
Test description |
Aged |
Unaged |
Method |
Requirement |
||
Sequential electrical tests on thermally aged cable: |
|
|
|
|
||
a) insulation resistance |
Yes |
Yes |
HD 605.3.3.2 |
The value obtained in the aged sample shall be no lower than that obtained on the unaged sample. |
||
b) impulse voltage test for 1.9/3.3kV cables |
Yes |
No |
HD 605.3.2.4.1 |
No breakdown of the insulation shall occur following impulses at 25kVp. |
||
c) Voltage test on oversheath |
Yes |
No |
HD 605.3.2.3.1 |
No breakdown of the oversheath shall occur following the application of 2kV for 1 min. |
||
d) Visual examination |
Yes |
No |
|
Each component essential for the continued function of the cable shall not show evidence of excessive deterioration including melting or bonding or deterioration of the insulation due to contact with other components of the cable. |
||
e) Voltage test on insulation |
Yes |
No |
HD 605.3.2.1 |
No breakdown of the insulation shall occur following the application of 2kV for 5 min. |
Requirements for the non-electrical tests for non-halogenated bedding and oversheath
1 |
2 |
3 |
4 |
5 |
6 |
||||
Ref. |
Test |
|
Type of compound |
Test method |
|||||
No. |
Unit |
ZB1 |
ZB2 |
ZM1 |
ZM22’ |
||||
1 |
Test strength and elongation at break |
|
|
|
|
|
|
||
1.1 |
Properties in the state as delivered |
|
|
|
|
|
EN 60811-1-1 Sub-clause 9.2 |
||
1.1.1 |
Values to be obtained for the tensile strength: |
|
|
|
|
|
|
||
|
- median, min. |
N/mm1 |
4 |
8 |
10 |
8 |
|
||
1.1.2 |
Values to be obtained for elongation at break: |
|
|
|
|
|
|
||
|
- median, min. |
% |
50 |
50 |
100 |
75 |
|
||
1.2 1.2.1 |
Properties after ageing in air oven Ageing conditions: |
|
N/A |
|
|
|
EN 60811-1-2 Sub-clause 8.1 |
||
|
- temperature - duration of treatment |
°С h |
- |
100±2 7 x 24 |
100±2 7 x 24 |
100±2 7 x 24 |
|
||
1.2.2 |
Value to be obtained for the tensile strength: |
|
|
|
|
|
|
||
|
- median, min. - variation”, max. |
N/mm2 % |
|
8 |
10 ± 40 |
8 |
|
||
1.2.3 |
Value to be obtained for the elongation at break: |
|
|
|
|
|
|
||
|
- median, min. - variation”, max. |
% % |
|
50 |
100 ± 40 |
75 |
|
||
2 |
(Spare) |
|
|
|
|
|
|
||
3 |
(Spare) |
|
|
|
|
|
|
||
4 |
(Spare) |
|
|
|
|
|
|
11 Variation: Difference between the median value after ageing and the median value without ageing, expressed as a percentage of the latter.
N/A Test not applicable.
21 Where dual-layer sheaths are provided, one of the component materials shall meet the requirement.Requirements for the non-electrical tests for non-halogenated bedding and oversheath
(continued)
1 |
2 |
3 |
4 |
5 |
6 |
||||||||
Ref. |
Test |
Unit |
Type of compound |
Test method |
|||||||||
No. |
ZB1 |
ZB2 |
ZM1 |
ZM221 |
|||||||||
5 |
Pressure test at high temperature |
|
N/A |
|
|
|
EN 60811-3-1 sub-clause 8.2 |
||||||
5.1 |
Test conditions: - force exerted by blade |
|
|
See EN 60811-3-1 sub-clause 8.2.4 |
See EN 60811-3-1 sub-clause 8.2.4 |
See EN 60811-3-1 sub-clause 8.2.4 |
|
||||||
|
- duration of heating under load |
|
|
See EN 60811-3-1 sub-clause 8.2.5 |
See EN 60811-3-1 sub-clause 8.2.5 |
See EN 60811-3-1 sub-clause 8.2.5 |
|
||||||
|
- temperature |
°С |
|
80 + 2 |
80±2 |
80 + 2 |
|
||||||
5-2 |
Result to be obtained - median of the depth of penetration, maximum |
% |
|
50 |
50 |
50 |
|
||||||
6 6.1 |
Bending test at low temperature Test conditions:
|
°С |
N/A |
N/A |
-15±2 See EN 60811-1-4 sub-clause 8.2.3 |
-15±2 See EN 60811-1-4 sub-clause 8.2.3 |
EN 60811-1-4 sub-clause 8.2 |
||||||
6.2 |
Results to be obtained |
|
|
|
Absence of cracks |
Absence of cracks |
|
||||||
7 |
Elongation test at low temperature |
|
N/A |
N/A |
|
|
EN 60811-1-4 sub-clause 8.4 |
||||||
7.1 7.2 |
Test conditions:
Result to be obtained: |
°С |
|
|
-15±2 See EN 60811-1-4 sub-clause 8.4.4 |
-15±2 See EN 60811-1-4 sub-clause 8.4.4 |
|
||||||
|
- elongation without break, min. |
% |
|
|
30 |
30 |
|
||||||
N/A Test not applicable. |
|
|
|
|
|
|
|||||||
21 Where dual-layer sheaths are provided, one of the component materials shall meet the requirement. |
|
Table 2
Requirements for the non-electrical tests for non-halogenated bedding and oversheath
(continued)
1 |
2 |
3 |
4 |
5 |
6 |
|||||
Ref. |
Test |
Unit |
Type of compound |
Test method |
||||||
No. |
ZB1 |
ZB2 |
ZM1 |
ZM221 |
||||||
8 |
Impact test at low temperature |
|
N/A |
|
|
|
EN 60811-1-4 sub-clause 8.5 |
|||
8.1 |
Test conditions:
|
°С |
|
|
-15 + 2 See EN 60811-1-4 sub-clause 8.5.5 |
-15 + 2 See EN 60811-1-4 sub-clause 8.5.5 |
|
|||
|
- mass of hammer |
|
|
|
See EN 60811-1 4 sub-clause 8.5.4 |
See EN 6081 1-1-4 sub-clause 8.5.4 |
|
|||
8.2 |
Result to be obtained |
|
|
|
See EN 60811-1-4 sub-clause 8.5.6 |
See EN 60811-1-4 sub-clause 8.5.6 |
|
|||
9 |
Insulation resistance constant min. @ 20 °С |
M<1.km |
N/A |
N/A |
0.0035 |
|
HD 605.3.3.4 |
|||
10 |
Water immersion test |
|
|
|
|
|
HD 605.2.2.12 |
|||
10.1 |
Test conditions |
|
|
|
|
|
|
|||
|
- temperature - duration of treatment |
'С h |
■ |
|
70 + 2 7 x 24 |
|
|
|||
10.2 |
Values to be obtained for tensile strength |
|
|
|
|
|
|
|||
|
variation11, max. |
% |
|
|
± 30 |
|
|
|||
10.3 |
Values to be obtained for elongation at break |
|
|
|
|
|
|
|||
|
variation1*, max. |
% |
|
|
± 30 |
|
|
|||
11 |
Tear resistance |
N/mm |
N/A |
|
3.5 |
3.5 |
HD 605.2.2.2.2 |
|||
11 Variation: Difference between the median value after ageing and the median value without ageing expressed as a percentage of the latter. 21 Where dual-layer sheaths are provided, one of the component materials shall meet the requirements. |