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Mozambique Underground Primary Cable for Airport Lighting Circuits
Mozambique Underground Primary Cable for Airport Lighting Circuits
Underground Primary Cable Materials List
N/O |
Designação |
QTY |
1 |
FAA-L-824 Underground primary cable for Airport lighting circuits, Type C - copper wire screened, 5 kV (XLP 1x6 mm2 + T4. 5 KV, with water proof protection) |
10,000 m |
2 |
FAA-L-824 Underground secondary cables for Airport lighting circuits, EN 50525-2-21 (H07 RN-F) similar in design to FAA AC 150/5345-7F - Type B - 600 V |
1,000 m |
3 |
Primary cable connecting’s kits |
10 |
4 |
Isolating transformer 5 kV, 300W, W/EARTH 6.6/6.6A 50/60HZ |
10 |
5 |
Isolating transformer 5 kV, 200W W/EARTH 6.6/6.6A 50/60HZ |
20 |
6 |
Isolating transformer 5 kV, 150W W/EARTH 6.6/6.6A 50/60HZ |
20 |
7 |
Isolating transformer 5 kV, 100W W/EARTH 6.6/6.6A 50/60HZ |
20 |
8 |
Isolating transformer 5 kV, 65W W/EARTH 6.6/6.6A 50/60HZ |
50 |
9 |
Isolating transformer 5 kV, 45W W/EARTH 6.6/6.6A 50/60HZ |
200 |
10 |
KD500 (KD500 10.0-14.5MM W/E KD500 PCK SCR 10.0–14.5MM/6MM2) |
400 |
11 |
KD501 (KD501 PLUG 2 X 1.5-2.5MM² ST 4/11) |
400 |
12 |
KD502 (KD502 FEM 2 X 1.5-2.5MM² ST 4/11 SCK KD St 12 RECP 1.5–2.5MM2/8.5–13.5MM) |
400 |
13 |
Isolating tape, SCOTCH 23, 3M |
40 |
14 |
Isolating tape, SCOTCH SUPER 22, 3M |
40 |
15 |
Isolating tape, SCOTCH SUPER 33+ |
40 |
16 |
Isolating tape, SCOTCH SUPER 35, yellow |
40 |
17 |
Isolating tape, SCOTCH, red |
40 |
18 |
Isolating tape, SCOTCH, green |
40 |
19 |
Isolating tape, SCOTCH, blue |
40 |
20 |
Crimp unions, 4 mm2, in copper |
100 |
21 |
Crimp unions, 6 mm2, in copper |
100 |
Airfield Lighting Cables Construction
1.1. Conductor: Tinned stranded copper: 6 mm2 or AWG 8
1.2. Semi-conducting layer: avoids local overstress of the HV insulation (“smooth electrical field”)
1.3. HV insulation: Type B: use of EPR Type C: use of XLPE
1.4. Semi-conducting layer: avoids local overstress of the HV insulation (“smooth electrical field”) 1.5. Shielding: improves electrical, mechanical and environmental behaviour
1.6. Outer jacket: use of PE with optional incorporated ants and termites repellent compound
Characteristics of the different airfield lighting cables constructions
2.1. HV Insulation
The most appreciated insulation material is XLPE (cross-linked Polyethylene). This material has excellent mechanical and electrical characteristics; it resists very well to moisture, acids and/or alkaline.
Another excellent insulation materialis EPR (Ethylene-Propylene rubber). This synthetic rubber has excellent
mechanical and electrical characteristics; cables insulated with this material are more flexible in comparison with XLPE insulated cables.
2.2. Screen
It is recommended to equip the airfield lighting cables with a screen.
The reasons are :
• Uniformisation of the electrical field and, as consequence, a longer lasting of the HV insulation
• Protection against lighting
• Protection against electrical hazards for the pesonnel
• Easier fault location
• Possibility of testing the outer jacket (jacket fault location)
• Mechanical protection against rats, mice and termites
The screen can consist of a copper braid or a copper or brass tapes.
All of the versions have the mentioned features; the tapes are more effective against mice and rats than a braid.
2.3. Outer sheath
The best cable sheath for use with high environmental strain is PE (Polyethylene).
This material has excellent characteristics: moisture, acid, alkaline, oil (kerosene) resistance is good or excellent.
Airfield Lighting Cables Features
• Excellent UV resistance (black coloured outer sheath)
• Optionally a chemical repellent for ants and termites, acting over a long period of time can be added.
• Cables are resistant to the deicers of the new generation currently used on airports: Potassium Acetate (Kca), Potassium Formate (KF).
FAA Primary Cables Types
ALC type C brass tape screened 5 kV SXC7E
ALC type C copper tape screened 5 kV SXC7E
ALC type C copper wire braid screened 5 kV SXC4E
ALC type B unscreened 5 kV SRN
ALC TPE insulated Cable 5 kV XCP
