Project Technical Specification
1. Gas power station
4. Codes and Standards
The cables shall conform to the latest issue (including amendments) of the relevant IEC regulations including
harmonized documents (e.g. HD603) in particular with:
Israeli Law and Legal Regulations and Standards,
SI 1516-1 Israel Standard SI 1516 Part 1
IEC 60502-1 Power cables with extruded insulation and their accessories – Part 1 (1kV and 3kV)
IEC 60502-2 Power cables with extruded insulation and their accessories – Part 2 (6kV up to 30kV)
IEC 60332-1 Test for vertical flame propagation for a single insulated wire or cable
IEC 60332-3-24 Tests on electric cables under fire conditions – Part 3-24, Cat. C
IEC 60227 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V
IEC 60245 Rubber insulated cables – Rated voltages up to and including 450/750 V
5. MV Power Cables, Single Core
Application: MV-cables will be used in three-phase 11,5kV (Um = 17,5kV) systems, 50Hz, low resistance
grounded system.
Reference Standard: According HD620-S2 based on IEC 60502-2
Data:
Base type designation (example) (N) 2XSY
Nominal voltage U0 / U (minimum) 12/20 kV
AC Test voltage (core : metallic screen) 42 kV
Highest system voltage (AC) 24 kV
Permissible continuous conductor
temperature 90°C
Permissible conductor temperature under short-circuit conditions 250°C
Conductor: Plain annealed copper, class 2 acc. to IEC 60228, circular stranded (RM)
Conductor screen: Extruded semi-conductive compound
Insulation: Extruded cross-linked polyethylene XLPE
Insulation screen: Extruded semi-conductive compound
Filler: Semi conductive tapes
Metallic screen: Copper wire and copper tape shielding
Armouring / rodent resistance: None
Core identification: None
Bedding and outer sheath:
- PVC
- colour: black
- fire retardant jacketing
- resistance to ultra violet radiation
Marking on outer sheath: Meter marking, manufacturer, cable type & voltage,
cross-section, year of manufacture, manufacturing standard
Anti Termite Repellent: None
6. MV Power Cables, Three Core (not applicable)
Application: MV-cables will be used in three-phase 11,5kV (Um = 17.5kV) systems, 50Hz, low resistance
grounded system.
Reference Standard: According HD620-S2 based on IEC 60502-2
Data:
Base type designation (example) (N) 2XSEY
Nominal voltage U0 / U (minimum) 12/20 kV
AC Test voltage (core : metallic screen) 42 kV
Highest system voltage (AC) 24 kV
Peak short circuit current 110 kA
Permissible continuous conductor
temperature
90°C
Permissible conductor temperature under
short-circuit conditions
250°C
Conductor: Plain annealed copper, class 2 acc. to IEC 60228, circular stranded (RM)
Conductor screen: Extruded semi-conductive compound
Insulation: Extruded cross-linked polyethylene XLPE
Insulation screen: Extruded semi-conductive compound
Filler: non-hygroscopic compound filler
Metallic screen: Copper tape shielding
Armouring / rodent resistance: None
Core identification: acc. manufacturer's standard
Bedding and outer sheath:
- PVC
- colour: black
- fire retardant jacketing
- resistance to ultra violet radiation
Marking on outer sheath: Meter marking, manufacturer, cable type & voltage,
cross-section, year of manufacture, manufacturing standard.
Anti Termite Repellent: None
7. LV Power Cables, Single- and Multi-Core
Application: LV-cables will be used in three-phase 690/400/230V (Um = 1,2kV), 50Hz, grounded neutral
system with protective conductor (TNS) and as DC-cables (incl. excitation cables).
Reference standard: HD603-S1 based on IEC 60502-1
Data:
Base type designation (example) (N) 2XY (N) 2XCY (N) X-2XCY
Nominal voltage U0 / U (AC) 0.6/1 kV
Direct voltage 1.5 kV
Test voltage (AC) 3.5 kV
Highest system voltage (AC) 1.2 kV
Peak short circuit current at busbar (for cables with
cross-section > 185mm2)
up to 110 kA up to 110 kA up to 110 kA
Permissible continuous conductor temperature 90°C 90°C 90°C
Permissible conductor temperature under short-circuit
conditions
250°C 250°C 250°C
Conductor:
- plain annealed copper wires for phase, neutral and PE conductors
- for cross sections <16mm2 stranded copper conductors, round shape
- for cross sections 16mm2 stranded copper conductors, round shape
- for cross sections >16mm2 stranded copper conductors, round or sector shape
- for cross sections ≥25mm2 3½ & 4½ conductor cross sections are applied (½ conductor for PE/N)
Insulation: Cross-linked polyethylene XLPE
Filler: non-hygroscopic compound filler
Bedding and outer sheath:
- PVC
- colour: green (acc. Israeli Standard SI 1516-1 for XLPE insulated cores)
- fire retardant jacketing
- resistance to ultra violet radiation
- Metallic Screen for X-2XCY shall be Copper-Tape applied as closed helix
(Copper-Foile with overlap and annealed copper wires)
- Rubber insulated LV power cables might be also used.
Marking on outer sheath: Meter marking, manufacturer, cable type & voltage,
cross-section, year of manufacture, manufacturing standard.
Anti termite repellent: None
Armouring / rodent resistance: None
Stripping insulation: Easily strippable cable insulation must be ensured under normal conditions.
8. LV Control Cables
Application: LV control cables will be used in single-phase 230V (Um = 1,2kV) , 50Hz, grounded neutral
system with protective conductor (TNS); for secondary CT/VT-circuits and as DC cables.
Reference standard: HD603-S1 based on IEC 60502-1
Conductor:
- plain annealed copper wires for phase and neutral conductors with a minimum cross section of 1.5 mm²
- metering cables with a minimum cross section of 6mm² for CT’s and 4mm² for VT’s
- “concentric conductor” (PE) of copper wires and/or flat copper tape
- stranded copper conductors, round shape
Insulation: PVC or Cross-linked polyethylene XLPE
Bedding and outer sheath:
- PVC
- colour: black (acc. Israeli Standard SI 1516-1 for PVC insulated cores)
- colour: green (acc. Israeli Standard SI 1516-1 for XLPE insulated cores)
- resistance to ultra violet radiation
Marking on outer sheath: Meter marking, manufacturer, cable type & voltage,
cross-section, year of manufacture, manufacturing standard
Anti termite repellent: None
Armouring / rodent resistance: None
Stripping insulation: Easily strippable cable insulation must be ensured under normal conditions.
9. Frequency Converter Cables, Multi-Core (if applicable)
Application: LV-cables will be used in three-phase 690/400V (Um = 1,2kV), 50Hz, grounded neutral
system with protective conductor (TNS).
Reference standard: HD603-S1 based on IEC 60502-1
Data:
Base type designation (example) 2YSLCYK-J
Nominal voltage U0 / U (AC) 0.6/1 kV
Direct voltage 1.5 kV
Test voltage (AC) 3.5 kV
Highest system voltage (AC) 1.2 kV
Permissible continuous conductor temperature 90°C
Permissible conductor temperature under short-circuit conditions 250°C
Conductor:
- plain annealed copper wires for phase and PE conductors
- “concentric conductor” (PE) of copper wires and/or flat copper tape
Insulation: Cross-linked polyethylene XLPE
Filler: non-hygroscopic compound filler
Bedding and outer sheath:
- PVC
- colour: green (acc. Israeli Standard SI 1516-1 for XLPE insulated cores)
- fire retardant jacketing
- resistance to ultra violet radiation
Marking on outer sheath: Meter marking, manufacturer, cable type & voltage,
cross-section, year of manufacture, manufacturing standard.
Stripping insulation: Easily strippable cable insulation must be ensured under normal conditions.