BS 6622:1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for cables with extruded cross-linked polyethylene or ethylene propylene rubber insulation for rated voltages from 3.8/6.6 kV up to 19/33 kV
Hardcopy , PDF
03-30-2007
English
02-26-2002
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Committees responsible
Foreword
Specification
1 Scope
2 Normative references
3 Definitions
4 Voltage designation
5 Conductors
6 Conductor screen
7 Insulation
8 Insulation screen
9 Laying-up
10 Armour
11 Oversheath
12 Marking
13 Sealing and drumming
14 Dimensions
15 Schedule of tests
16 Test conditions
17 Routine tests
18 Sample tests
19 Type tests - Materials
20 Type tests - Electrical
Annexes
A (informative) Recommendations for the selection of cables
B (informative) Information to be provided with the
enquiry or order
C (informative) Recommendations for the installation of
cables
D (informative) Guidance on the scope of type tests
E (normative) Partial discharge test
F (normative) Thickness measurements
G (normative) Method of measuring resistivity of extruded
semi-conducting conductor and insulation screens
H (normative) Impulse voltage test
J (informative) Guide to use
Bibliography
Figure G.1 Test piece and arrangement of electrodes for
measurement of resistivity of conductor screen
of circular core
Figure G.2 Test piece and arrangement of electrodes for
measurement of resistivity of insulation screen
of circular core
Figure G.3 Arrangement of test piece, electrodes and
insulating strips for measurement of resistivity
of conductor and insulation screens of
TABLES
1 - Dimensions of shaped solid aluminium conductors
2 - Single-core cables 3.8/6.6 (7.2) kV
3 - Three-core cables 3.8/6.6 (7.2) kV
4 - Single-core cables 6.35/11 (12) kV
5 - Three-core cables 6.35/11 (12) kV
6 - Single-core cables 8.7/15 (17.5) kV
7 - Three-core cables 9.7/15 (17.5) kV
8 - Single-core cables 12.7/22 (24) kV
9 - Three-core cables 12.7/22 (22) kV
10 - Single-core cables 19/33 (36) kV
11 - Three-core cables 19/33 (36) kV
12 - Schedule of tests
13 - Tolerances on temperature values
14 - D.C. resistance of copper wire screen
15 - Voltage for partial discharge test
16 - Voltage for test on complete cable
17 - Number of sample tests
18 - Hot set test conditions and requirements
19 - Four hour voltage test
20 - Cross-linked polyethylene (XLPE) and ethylene propylene rubber
compound (EPR) insulation
21 - Mass of zinc coating
22 - Compatibility requirements
23 - Tan in relation to voltage
24 - Tan in relation to temperature
25 - Voltage for impulse voltage test
A.1 - Selection of cables for three-phase a.c. systems
C.1 - Bending radius during installation
C.2 - Bending radius with cable adjacent to joints or terminations
C.3 - Voltage test after installation
Specifies requirements for construction and testing of cables with thermosetting insulation for rated voltages from 3.8/6.6 (7.2) kV up to 19/33 (36) kV, for use in fixed industrial installations and buildings.
| Committee |
GEL/20/16
|
| DevelopmentNote |
Supersedes BS 6622(1991), 97/205747 DC and 99/243586 DC (03/2002)
|
| DocumentType |
Standard
|
| Pages |
56
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
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| BS EN 60811-1-2:1995 | Insulating and sheathing materials of electric cables. Common test methods. General application Thermal ageing methods |
| BS 358:1960 | Method for the measurement of voltage with sphere-gaps (one sphere earthed) |
| BS 7655-10.1(1997) : 1997 | SPECIFICATION FOR INSULATING AND SHEATHING MATERIALS FOR CABLES - POLYETHYLENE SHEATHING COMPOUNDS - THERMOPLASTIC MEDIUM DENSITY POLYETHYLENE (MDPE) SHEATHING COMPOUND |
| BS 7835:1996 | Specification for cables with extruded cross-linked polyethylene or ethylene propylene rubber insulation for rated voltages from 3800/6600 V up to 19000/33000 V having low emission of smoke and corrosive gases when affected by fire |
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