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) 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
conditions250°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 1.5mm²
- 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.
