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insulation and polyvinyl chloride sheath

1

2

3

4

5

6

Ref.

No.

Test

Unit

Compound XLPE

Compoun d PVC/ST

Test method described in Publication

1.3

Properties after ageing in air oven of PVC/ST sheath

HD 505.1.2, sub-clause 8.1 and

HD 505.1.1, sub-clause 9.2

1.3.1

Ageing conditions - temperature - duration of treatment

°С h

100 + 2

10 x 24

1.3.2

Values to be obtained for the tensile strength: - median, min.

- variation 3), max.

N/mm! %

12.5 ±25

1.3.3

Values to be obtained for the elongation at break - median, min - variation 31, max

% %

150 ±25

2

Hot set test of XLPE insulation

HD 505.2.1, Clause 9

2.1

Test conditions:

  • temperature

  • time under load

  • mechanical stress

°С min. N/mm2

200 ±3 15 0.20

2.2

Values to be obtained:

  • elongation under load, max.

  • elongation after cooling, max.

% %

100 15

3

Loss of mass test of PVC/ST sheath

HD 505.3.2, sub-clause 8.2

3.1

Ageing conditions

- temperature

- duration of treatment

°С h

100±2 7 x 24

3.2

Values to be obtained for the loss of mass, max.

mg/cm2

1.5

(3)


Variation:



Table I (continued) - Requirements for the non*electrical test for cross-linked polyethylene
insulation and polyvinyl chloride sheath

1

2

3

4

5

6

Ref. No

Test

Unit

Compound

Compound

Test method

XLPE

PVC/ST

described in Publication

4

Test for non-contamination Ml

4.1

Ageing conditions - temperature

°С

100 ± 2

100 ± 2

HD 505.1.2, sub-

- duration of treatment

h

7 x 24

7 x 24

clause 8.1.4

4.2

Mechanical properties after

As in ref. nos.

As in ref. nos.

ageing

Values to be obtained

1.2.2 & 1.2.3

1.3.2 & 1.3.3

Б

Heat shock test

HD 505.3.1, sub-

5.1

Test conditions: - temperature

°С

150 ± 3

clause 9.2

- duration of treatment

h

-

1

5.2

Result to be obtained

Absence of cracks

6

Pressure test at high temperature

HD 505.3.1, sub-

5.1

Test conditions:

- force exerted by the blade

See HD 50Б.3.1, sub-clause 8.2.4

clause 8.2

- duration of heating under load

h

See HD 5ОБ.3.1, sub-clause 8.2.5

- temperature

°С

90 ± 2

6.2

Result to be obtained: - median of the depth of

%

*

50

penetration, max.

7

Bend test at low temperature

HD 505.1.4, sub-

7.1

Test conditions: - temperature

°С

-

-25 ± 2

clause 8.2

- period of application of low

-

See HD 505.1.4,

temperature

*

sub-clause 8.2.3 Absence of cracks

7.2

Result to be obtained

HD 505.1.4, sub-

8

Elongation test at low temperature

clause 8.4

8.1

Test conditions - temperature

°С

-25 ± 2

- period of application of low

-

See HD 505.1.4,

temperature

sub-clause 8.4.4

& 8.4.5

8.2

Result to be obtained:

- elongation without break, min.

%

-

20

if required in Clause(s) 3 and/or 4.Table II-A. (concluded) - Schedule of tests for unarmourad and armoured cables
in accordance with sub-clauses 3 and 4.1

1

2

3

4

5

Ref. No

Test

Category of test {1)

Test method described in

Requirement given in sub-clause 2)

2.8

Sheath or oversheath a) Application

Visual examination

Part 1; 5.7

b) Thickness

HD 605 2.1.2

2.3 & 3.3.6 or 4.1.3.9

2.9

Overall diameter, if required, and ovality

HD 605 2.1.3.1 & 2.1.3.2

2.4.3 & 3.3.7 or

4.1.3.10

2.10

Cable markings

Visual examination & measurement

Part 1; 3

3

Mechanical properties of insulation including the contamination test

Table I

Table I

4

Mechanical properties of inner sheath

4.1

Tensile test before and after ageing

HD 505.1.1; 9.2 & 505.1.2; 8.1

Table I

Б

Mechanical and physical properties of sheath and oversheath including the contamination test for sheath of unarmoured cables.

Table 1

Table I

6

Bend test on complete cable

HD 605 2.4.1.1

2.4.2

7

Test related to fire conditions Reduced flame propagation

HD 405.3

2.4.4

  1. All tests to be considered as type tests.

  2. Clause numbers refer to this section unless stated otherwise.

Table ll-B - Schedule of tests for double screened cables
in accordance with sub-clause 4.2

1

2

3

4

5

Ref. No

Test

Category of test (1)

Test method described in

Requirement given in sub-clause (2)

1

Electrical tests

1.1

Conductor resistance

HD 605 3.1.1

HD 383

1.2

Copper screen resistance

HD 605 3.1.4.1

4.2.3.8.3

1.3

Screening efficiency

IEC 96-1, sub-clause A.5.1 and А.Б.2

4.2.3.8.4

1.4

Voltage test on cores at 3500 V

HD 606 3.2.2.2

2.4.1.2

1.5

Voltage test on complete cable at 3500 V

HD 605 3.2.1

2.4.1.1

2

Provisions covering constructional and dimensional characteristics

2.1

Conductor material and construction

Visual examination and, for class 5 conductors, by measurement according to HD 605, 2.1.4.1

2.2 & 4.2.3.1 & Part 1;

5.1

2.2

Insulation;

a) Application

Visual examination

Part 1: 5.2.2

b) Thickness

HD 605 2.1.1

4.2.3.3 and Part 1:

5.2.3

2.3

Core identification

Visual examination and measurement if applicable

2.1 & 4.2.3.4 Part 1: 4

2.4

Assembly of cores

Visual examination

4.2.3.5

2.5

Inner covering

Visual examination

4.2.3.6 and Part 1, 5.4

2.6

Inner sheath a| Application

Visual examination

Part 1: 5.5

b) Thickness

HD 605 2.1.2

2.3 & 4.2.3.7

2.7

Screens:

a) Composition

Ы Thickness of screen elements

Visual examination HD 605 2.1.4

4.2.3.8.1

4.2.3.8.2

(1) All tests to be considered as type tests.

{2} Clause numbers refer to this section unless stated otherwise.

Table ll-B (concluded) - Schedule of tests for double screened cables
in accordance with sub-clause 4.2

1

2

3

4

5

Ref. No

Test

Category of test (1)

Test method described in

Requirement given in sub-clause (2)

2.8

Sheath or oversheath a) Application

Visual examination

Part 1; 6.7

b) Thickness

HD 606 2.1.2

2.3 & 4.2.3.10

2.9

Overall diameter - ovality

HD 605 2.1.3.2

2.4.3

2.10

Cable markings

Visual examination & measurement

Part 1; 3

3

Mechanical properties of insulation including the contamination test for cables with inner sheath

Table 1

Table I

4

Mechanical and physical properties of all sheaths including the contamination test for the inner sheath. (3)

Table 1

Table I

Б

Bend test on complete cable

HD 60Б 2.4.1.1

2.4.2

6

Test related to fire conditions Reduced flame propagation

HD 40Б.З

2.4.4

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