SIST HD 632 S2:2009
Power cables with extruded insulation and their accessories for rated voltages above 36 kV (Um = 42 kV) up to 150 kV (Um = 170 kV)
Power cables with extruded insulation and their accessories for rated voltages above 36 kV (Um = 42 kV) up to 150 kV (Um = 170 kV)
This standard specifies test requirements for power cables with extruded insulation, of the types listed in Table 1, and their accessories, of rated voltage, U, above 36 kV (Um = 42 kV) up to and including 150 kV (Um = 170 kV), for fixed installations intended for transmission and distribution systems, and for use in power generating plants and sub-stations. Depending on the design and the system conditions, additional or even fewer tests or other requirements which are not described in the Part 1 can be specified in the particular sections of Parts 3 to 11.
In these parts each section is either:
1) A full tabulation showing how the particular section either agrees, or deviates from, each clause of Part 1; or
2) A reduced tabulation showing only those places where the particular section deviates from Part 1.
The requirements apply to single-core cables and three-core cables with separate cores and to their accessories for usual conditions of installation and operation, but not to special cables and their accessories, such as those designed for submarine cables, for which modification to the standard tests may be necessary or special test conditions may need to be devised. This standard does not cover transition joints between cables with extruded insulation and paper insulated cables.
Starkstromkabel mit extrudierter Isolierung und ihre Garnituren für Nennspannungen über 36 kV (Um = 42 kV) bis 150 kV (Um = 170 kV)
Câbles d'énergie à isolation extrudée et leurs accessoires pour des tensions assignées supérieures à 36 kV (Um = 42 kV) et jusqu'à 150 kV (Um = 170 kV)
Elektroenergetski kabli z ekstrudirano izolacijo in njihov pribor za nazivne napetosti nad 36 kV (Um = 42 kV) in do 150 kV (Um = 170 kV)
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST HD 632 S2:2009
01-marec-2009
1DGRPHãþD
SIST HD 632 S1:1999
SIST HD 632 S1:1999/A1:2002
Elektroenergetski kabli z ekstrudirano izolacijo in njihov pribor za nazivne
napetosti nad 36 kV (Um = 42 kV) in do 150 kV (Um = 170 kV)
Power cables with extruded insulation and their accessories for rated voltages above 36
kV (Um = 42 kV) up to 150 kV (Um = 170 kV)
Starkstromkabel mit extrudierter Isolierung und ihre Garnituren für Nennspannungen
über 36 kV (Um = 42 kV) bis 150 kV (Um = 170 kV)
Câbles d'énergie à isolation extrudée et leurs accessoires pour des tensions assignées
supérieures à 36 kV (Um = 42 kV) et jusqu'à 150 kV (Um = 170 kV)
Ta slovenski standard je istoveten z: HD 632 S2:2008
ICS:
29.060.20 Kabli Cables
SIST HD 632 S2:2009 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST HD 632 S2:2009
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SIST HD 632 S2:2009
HARMONIZATION DOCUMENT
HD 632 S2
DOCUMENT D'HARMONISATION
November 2008
HARMONISIERUNGSDOKUMENT
ICS 29.060.20 Supersedes HD 632 S1:1998 + A1:2002
English version
Power cables with extruded insulation and their accessories
for rated voltages above 36 kV (U = 42 kV) up to 150 kV (U = 170 kV)
m m
Câbles d'énergie à isolation extrudée Starkstromkabel
et leurs accessoires mit extrudierter Isolierung
pour des tensions assignées und ihre Garnituren für Nennspannungen
supérieures à 36 kV (U = 42 kV) über 36 kV (U = 42 kV)
m m
et jusqu'à 150 kV (U = 170 kV) bis 150 kV (U = 170 kV)
m m
This Harmonization Document was approved by CENELEC on 2008-10-01. CENELEC members are bound to
comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for implementation of this
Harmonization Document at national level.
Up-to-date lists and bibliographical references concerning such national implementations may be obtained on
application to the Central Secretariat or to any CENELEC member.
This Harmonization Document exists in three official versions (English, French, German).
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. HD 632 S2:2008 E
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SIST HD 632 S2:2009
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HD 632 S2:2008
FOREWORD
This Harmonization Document was prepared by WG 9 of the Technical Committee CENELEC TC 20,
Electric cables.
The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC
as HD 632 S2 on 2008-10-01.
This Harmonization Document supersedes HD 632 S1:1998 + corrigendum November 1998 and its
amendment A1:2002.
By comparison with the S1 version, this full revision of HD 632:
- uses IEC 60840, Ed 3, 2004, as its Part 1;
- amends Part 2 “Additional test methods” accordingly;
- revises the particular sections in Parts 3-11 inclusive in one of three ways, namely:
a) by presenting a fully updated section;
b) by indicating only those requirements that differ from, or add to, those of Part 1;
c) by withdrawing the section.
The consequential parts and particular sections are listed hereafter. In respect of the particular sections in
Parts 3 to 11, and by decision of the Technical Board (D68/047), National Committees need only
implement those sections having national applicability. The obligation remains however to announce the
full HD in public by titles and numbers, and also to withdraw any conflicting national standards.
Page numbering reflects the arrangements into Parts and Particular sections, e.g. Page 4-C-3 is page 3
of particular Section C of Part 4.
References to other HDs, ENs and international standards are given in the particular parts or sections.
By decision of the Technical Board (D81/139 extended by D104/118 & D114/076) this HD exists only in
English.
The following dates were fixed:
– latest date by which the existence of the HD
(doa) 2009-04-01
has to be announced at national level
– latest date by which the HD has to be implemented
at national level by publication of a harmonized
(dop) 2009-10-01
national standard or by endorsement
– latest date by which the national standards conflicting
(dow) 2011-10-01
with the HD have to be withdrawn
__________
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HD 632 S2:2008
CONTENTS
PART 1 Test methods and requirements
PART 2 Additional test methods
PART 3 Test requirements for cables with XLPE
insulation and metallic screen and
their accessories
3-D Cables with XLPE insulation and copper
screen and their accessories (Test list 3D)
3-K Cables with XLPE insulation and copper
screen and their accessories (Test list 3K)
3-L Cables with XLPE insulation and metallic
screen and their accessories (Test list 3L)
3-M Cables with XLPE insulation, copper
screen and their accessories (Test list 3M)
3-N Cables with XLPE insulation and copper
screen and their accessories (Test list 3N)
PART 4 Test requirements for cables with XLPE
insulation, metallic screen and
metal-laminated sheath and their accessories
4-A Cables with XLPE insulation and polyolefine
compound sheath (Types 1, 2 and 3)(Test list 4A)
4-C Cables with XLPE insulation, copper or aluminium wires
screen and aluminium or copper-laminated sheath
and their accessories (Test list 4C)
4-D Cables with XLPE insulation, copper
screen and aluminium-laminated sheath
and their accessories (Test list 4D)
4-F Cables with XLPE insulation, copper
screen and aluminium-laminated sheath
and their accessories (Test list 4F)
4-G Cables with XLPE insulation and metal-
laminated screen and their accessories
(Test list 4G)
4-K Cables with XLPE insulation, copper
screen and aluminium-laminated sheath
and their accessories (Test list 4K)
4-L Cables with XLPE insulation, copper
screen and aluminium-laminated sheath
and their accessories (Test list 4L)
4-M Cables with XLPE insulation, copper
screen and aluminium-laminated sheath
and their accessories (Test list 4M)
4-O Cables with XLPE insulation, copper or
aluminium screen and copper or
aluminium laminated sheath and their
accessories (Test list 4O)
4-P Cables with XLPE insulation, copper
screen and metal-laminated sheath
and their accessories (Test list 4P)
PART 5 Test requirements for cables with XLPE
insulation and metallic sheath and
their accessories
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5-C Cables with XLPE insulation and lead or
lead alloy sheath, or aluminium or copper
sheath and their accessories
(Test list 5C)
5-D Cables with XLPE insulation and metallic
sheath and their accessories
(Test list 5D)
5-F Cables with XLPE insulation and lead or
lead alloy sheath and their accessories
(Test list 5F)
5-G Cables with XLPE insulation and lead
sheath and their accessories (Test list 5G)
5-H Cables with XLPE insulation and metallic
sheath and their accessories (Test list 5H)
5-K Cables with XLPE insulation and lead
sheath and their accessories (Test list 5K)
5-L Cables with XLPE insulation and metallic
sheath and their accessories (Test list 5L)
5-M Cables with XLPE insulation and metallic
sheath and their accessories (Test list 5M)
5-O Cables with XLPE insulation and metallic
sheath and their accessories (Test list 5O)
5-P Cables with XLPE insulation and lead alloy
sheath and their accessories (Test list 5P)
PART 6 Test requirements for cables with EPR
insulation and metallic screen and
their accessories
6-A Cables with HEPR insulation and polyolefine
compound sheath (Types 1, 2 and 3) (Test list 6A)
6-J Cables with HEPR insulation and copper
screen and their accessories (Test list 6J)
6-O Cables with EPR insulation and copper or
aluminium screen and their accessories
(Test list 6O)
PART 7 Test requirements for cables with EPR
insulation, metallic screen and
metal-laminated sheath and their accessories
7-O Cables with EPR insulation, copper or
aluminium screen and copper or aluminium-
laminated sheath and their accessories
(Test list 7O)
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HD 632 S2:2008
PART 8 Test requirements for cables with EPR
insulation and metallic sheath and
their accessories
8-J Cables with HEPR insulation and metallic
sheath and their accessories (Test list 8J)
8-O Cables with EPR insulation and metallic
sheath and their accessories (Test list 8O)
PART 9 (Spare)
PART 10 Test requirements for cables with PE or
HDPE insulation, metallic screen and
metal-laminated sheath and their accessories
10-G Cables with PE or HDPE insulation and metal-
laminated screen and their accessories
(Test list 10G)
PART 11 Test requirements for cables with PE or
HDPE insulation and metallic sheath and
their accessories
11-G Cables with PE or HDPE insulation and lead
sheath and their accessories (Test list 11G)
__________
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– Blank Page –
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SIST HD 632 S2:2009
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HD 632 S2:2008
PART 1
CONTENTS
1 Scope . 4
2 Normative re f e r enc es . 4
3 Definitions . 5
3.1 Definitions of dimensional values (thicknesses, cross-sections, etc.) . 5
3.2 Definitions concerning the tests . 5
4 Voltage designations and materials . 6
4.1 Rated voltages . 6
4.2 Cable insulating m aterials . 6
4.3 Cable oversheathing materials . 6
5 Precautions against water penetration in cables . 6
6 Cable characteristics . 7
7 Accessory characteristics. 7
8 Test conditions . 8
8.1 Ambient temperature . 8
8.2 Frequency and waveform of power frequency test voltages . 8
8.3 Waveform of lightning impulse test voltages . 8
8.4 Relationship of test voltages to rated voltages . 8
8.5 Determination of the cable conductor temperature . 8
9 Routine tests on cables and on the main insulation of prefabricated accessories . 8
9.1 General . 8
9.2 Partial discharge test . 9
9.3 Voltage test . 9
9.4 Electrical test on oversheath of the cable . 9
10 Sample tests on cables . 9
10.1 General . 9
10.2 Frequency of tests . 10
10.3 Repetition of tests . 10
10.4 Conductor examination . 10
10.5 Measurement of electrical resistance of conductor and metallic screen . 10
10.6 Measurement of thickness of cable insulation and oversheath . 10
10.7 Measurement of thickness of metallic sheath . 11
10.8 Measurement of diameter . 12
10.9 Hot set test for XLPE, EPR and HEPR insulations . 12
10.10 Measurement of capacitance . 13
10.11 Measurement of density of HDPE insulation . 13
11 Sample tests on accessories . 13
11.1 Tests on components . 13
11.2 Tests on complete accessory . 13
12 Type tests on cable systems . 14
12.1 Range of type approval . 14
12.2 Summary of type tests . 14
12.3 Electrical type tests on complete cable systems . 15
12.4 Non-electrical type tests on cable components and on completed cable . 18
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PART 1
13 Type tests on cables . 23
13.1 Range of type approval . 24
13.2 Summary of type tests . 24
13.3 Electrical type tests on completed cables . 24
14 Type tests on accessories . 25
14.1 Range of type approval . 25
14.2 Summary of type tests . 26
14.3 Electrical type tests on accessories . 26
15 Electrical tests after insta llation . 27
15.1 DC voltage test of the oversheath . 27
15.2 AC voltage test of the insulation . 27
Annex A (informative) Determination of the cable conductor temperature . 34
Annex B (normative) Rounding of numbers . 38
Annex C (informative) Summary of type tests of cable systems, of cables and of
accessories . 39
Annex D (normative) Method of measuring resistivity of semi-conducting screens . 40
Annex E (normative) Determination of hardness of HEPR insulations . 42
Annex F (normative) Water penetration test . 44
Annex G (normative) Tests on components of cables with a longitudinally applied metal
foil . 46
Annex H (normative) Tests of outer protection for buried joints . 49
Bibliography . 51
Figure A.1 – Typical test set-up for the reference loop and the main test loop . 35
Figure A.2 – Arrangement of the thermocouples on the conductor of the reference loop . 36
Figure D.1 – Preparation of samples for measurement of resistivity of conductor and
insulation s c r eens . 41
Figure E.1 − Test on surfaces of large radius of curvature . 43
Figure E.2 − Test on surfaces of small radius of curvature . 43
Figure F.1 – Schematic diagram of apparatus for water penetration test . 45
Figure G.1 − Adhesion of metal foil . 46
Figure G.2 − Example of overlapped metal f o il . 47
Figure G.3 − Peel strength of overlapped metal foil . 47
Table 1 – Insulating compounds for cables . 27
Table 2 – Oversheathing compounds for cables . 28
Table 3 – Tan δ requirements for insulating compounds for cables . 28
Table 4 – Test voltages . 28
Table 5 – Non-electrical type tests for insulating and oversheathing compounds for
cables . 29
Table 6 – Test requirements for mechanical characteristics of insulating compounds for
cables (before and after ageing) . 30
Table 7 – Test requirements for mechanical characteristics of oversheathing
compounds for cables (before and after ageing) . 31
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PART 1
Table 8 – Test requirements for particular characteristics of insulating compounds for
cables . 32
Table 9 – Test requirements for particular characteristics of PVC oversheathing
compounds for cables . 33
Table C.1 − Type tests on cable systems, on cables and on accessories . 39
Table H.1 – Impulse voltage tests . 50
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HD 632 S2:2008
PART 1
POWER CABLES WITH EXTRUDED INSULATION AND THEIR
ACCESSORIES FOR RATED VOLTAGES ABOVE 36 kV (U = 42 kV)
m
UP TO 150 kV (U = 170 kV) –
m
TEST METHODS AND REQUIREMENTS
1 Scope
This standard specifies test requirements for power cables with extruded insulation, of the
types listed in Table 1, and their accessories, of rated voltage, U, above 36 kV (U = 42 kV) up
m
to and including 150 kV (U = 170 kV), for fixed installations intended for transmission and
m
distribution systems, and for use in power generating plants and sub-stations.
Depending on the design and the system conditions, additional or even fewer tests or other
requirements which are not described in the Part 1 can be specified in the particular sections of
Parts 3 to 11.
In these parts each section is either:
1) A full tabulation showing how the particular section either agrees, or deviates from,
each clause of Part 1; or
2) A reduced tabulation showing only those places where the particular section deviates
from Part 1.
The requirements apply to single-core cables and three-core cables with separate cores and to
their accessories for usual conditions of installation and operation, but not to special cables
and their accessories, such as those designed for submarine cables, for which modification to
the standard tests may be necessary or special test conditions may need to be devised.
This standard does not cover transition joints between cables with extruded insulation and
paper insulated cables.
2 Normative references
The following referenced documents are indispensable for the application of this document. For
dated references, only the edition cited applies. For undated references, the latest edition of
the referenced document (including any amendments) applies.
EN 60228 Conductors of insulated cables (IEC 60228)
EN 60229 Tests on cable oversheaths which have a special protective function
and are applied by extrusion (IEC 60229)
EN 60230 Impulse tests on cables and their accessories (IEC 60230)
EN 60332-1-2 Tests on electric and optical fibre cables under fire conditions –
Part 1-2: Test for vertical flame propagation for a single insulated wire
or cable – Procedure for 1 kW pre-mixed flame (IEC 60332-1-2)
EN 60811 (Series) Insulating and sheathing materials of electric and optical fibre cables –
Common test methods (IEC 60811 Series)
EN 60885 (Series) Electrical test methods for electric cables (IEC 60885 Series)
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HD 632 S2:2008
PART 1
HD 588.1 High voltage test techniques - Part 1: General definitions and test
requirements (Endorsing IEC 60060-1)
HD 605 Electric cables: Additional test methods
IEC 60183 Guide to selection of high voltage cables
IEC 60287-1-1:2006 Electric cables – Calculation of the current rating – Part 1: Current
rating equations (100 % load factor) and calculation of losses –
Section 1: General
1)
ISO 48:1994 Rubber, vulcanized or thermoplastic - Determination of hardness
(hardness between 10 IRHD and 100 IRHD)
3 Definitions
For the purposes of this document, the following definitions apply.
3.1 Definitions of dimensional values (thicknesses, cross-sections, etc.)
3.1.1
nominal value
value by which a quantity is designated and which is often used in tables
NOTE Usually, in this standard, nominal values give rise to values to be checked by measurements taking into
account specified tolerances.
3.1.2
median value
when several test results have been obtained and ordered in an increasing (or decreasing)
succession, middle value if the number of available values is odd, and mean of the two middle
values if the number is even
3.2 Definitions concerning the tests
3.2.1
routine tests
tests made by the manufacturer on each manufactured component (length of cable or
accessory) to check that the component meets the specified requirements
3.2.2
sample tests
tests made by the manufacturer on samples of completed cable or components taken from a
completed cable or accessory, at a specified frequency, so as to verify that the finished product
meets the specified requirements
3.2.3
type tests
tests made before supplying on a general commercial basis a type of cable system or cable or
accessory covered by this standard, in order to demonstrate satisfactory performance
characteristics to meet the intended application. Once successfully completed, these tests
need not be repeated, unless changes are made in the cable or accessory materials, or design
or manufacturing process which might change the performance characteristics
________
1)
ISO 48:1994 is superseded by ISO 48:2007.
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HD 632 S2:2008
PART 1
3.2.4
electrical tests after installation
tests made to demonstrate the integrity of the cable system as installed
3.3
cable system
cable with installed accessories
3.4
nominal electrical stress
electrical stress calculated at U using nominal dimensions
0
4 Voltage designations and materials
4.1 Rated voltages
In this standard, the symbols U , U and U are used to designate the rated voltages of cables
0 m
and accessories where these symbols have the meanings given in IEC 60183.
4.2 Cable insulating materials
This standard applies to cables insulated with one of the materials listed in Table 1. It also
specifies for each type of insulating compound the maximum operating conductor temperatures
on which the specified test conditions are based.
4.3 Cable oversheathing materials
Tests are specified for four types of oversheath, as follows:
– ST and ST based on polyvinyl chloride;
1 2
– ST and ST based on polyethylene.
3 7
The choice of the type of oversheath depends on the design of the cable and the mechanical
and thermal constraints during installation and operation.
The maximum conductor temperatures in normal operation for the different types of
oversheathing materials covered by this standard are given in Table 2.
5 Precautions against water penetration in cables
When cable systems are installed in ground, easily flooded galleries or water, a radial water
impermeable barrier around the cable is recommended.
NOTE A test for radial water penetration is not currently available.
Longitudinal water barriers may also be applied to avoid the need to replace long sections of
cable in case of damage in the presence of water.
A test for longitudinal water penetration is given in 12.4.18.
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HD 632 S2:2008
PART 1
6 Cable characteristics
For the purpose of carrying out the cable system or cable tests described in this standard and
recording the results, the cable shall be identified. The following characteristics shall be known
or declared.
a) Name of manufacturer, type, designation and manufacturing date or date code.
b) Rated voltage: values shall be given for U , U, U (see 4.1 and 8.4).
0 m
c) Type of conductor, its material and nominal cross-sectional area, in square millimetres. If
the nominal cross-sectional area is not in accordance with EN 60228, the d.c. conductor
resistance and the conductor construction shall be declared. Presence, if any, and nature of
measures taken to achieve longitudinal watertightness.
d) Material and nominal thickness of insulation (see 4.2). If the insulation is XLPE, special
additives shall be declared if the higher value of tan δ according to Table 3 is applicable.
e) Type of manufacturing process for insulation system.
f) Presence, if any, and nature of watertightness measures in the screening area.
g) Material and construction of metallic screen, e.g. number and diameter of wires. The d.c.
resistance of the metallic screen shall be declared. Material, construction and nominal
thickness of metallic sheath, or longitudinally applied metal foil, if any.
h) Material and nominal thickness of oversheath.
i) Nominal diameter of the conductor (d).
j) Nominal overall diameter of the cable (D).
k) Inner and outer nominal diameters of the insulation.
l) Nominal capacitance between conductor and metallic screen/sheath.
7 Accessory characteristics
For the purpose of carrying out the cable system or accessory tests described in this standard
and recording the results, the accessory shall be identified. The following characteristics shall
be known or declared.
a) Cables used for testing accessories shall be correctly identified as in Clause 6.
b) Conductor connections used within
...
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