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BS 6622 Standard 8.7/15(17.5)kV XLPE Insulated Power Cables

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Product Details

Product parameter

Application

8.7/15(17.5)kV XLPE Insulated Power Cables are suitable for power networks,underground and in cable ducting.They can be buried directly.

Performance

Voltage rating U0/U(Um):
8.7/15(17.5)kV

Test voltage(A.C.):
15kV

Mechanical performance:
-Minimum bending radius of single core:15 x overall diameter
-Minimum bending radius of three cores:12 x overall diameter
-Single core 12 x overall diameter and 3 cores 10 x overall diameter where bends are positioned adjacent to a joint or termination provided that the bending is carefully controlled by the use of a former.

Thermal performance :
-Maximum operating temperature:90℃
-Maximum short-circuit temperature: 250℃(Max.5s)
-Minimum service temperature：-10℃

Fire performance:
-Flame retardant according to IEC/EN 60332-1-2 standard
-Reduced emission of halogens chlorine <15%

Construction

Conductor:
stranded compacted copper or aluminum conductor , class 2.

Conductor Screen:
Semi-conductive conductor screen.

Insulation:
XLPE (cross-linked polyethylene)
-alternative:EPR (Ethylene Propylene Rubber)

Insulation Screen:
Semi-conductive insulation screen.

Metallic Screen:
individual concentric copper wires and/or copper tape.

Filler:
PET(polyethylene terephthalate) fibres

Binding Tape:
polyester tape or non-woven fabric

Optional Inner Sheath:
PVC(Polyvinyl chloride)
-alternative: LSZH (Low Smoke Zero Halogen)

Optional Armour:
Single-core conductor: AWA (Aluminum Wire Armoring ) or aluminum tape
Three-core conductor: SWA (Steel Wire Armoring ) or galvanized steel tape(single or double layer flat or corrugated)

Outer Sheath:
PVC (polyvinyl chloride)
-alternative :LDPE, MDPE (Low/Medium Density Polyethylene)
-alternative: LSZH (Low Smoke Zero Halogen)

Conductor Shape:
-Single Core:circular, circular compacted
-Three Core:circular, circular compacted, sectorial

Core Identification:
Single Core: Red or black
Three Core: Red , yellow and blue

Sheath Colour:
red, black or other available colour in accord with the request

BS 6622 Standard 8.715(17.5)kV XLPE Insulated Power Cables (3)

8.7/15(17.5)kV Three Core Aluminium Conductors XLPE Insulated to BS 6622 Steel Tape Armoured
1.Aluminium Conductor
2.Semi-conductive conductor screen
3.XLPE Insulation
4.Semi-conductive insulation screen
5.Copper tape screen
6.Fillers
7.Tape binder
8.Bedding
9.Galvanised steel tape armour
10.Outer sheath

BS 6622 12.722(27)kV XLPE Power Cable SWASTA Armoured

8.7/15(17.5)kV Three Core Copper Conductors XLPE Insulated to BS 6622 Steel Wire Armoured
1.Copper Conductor
2.Semi-conductive conductor screen
3.XLPE Insulation
4.Semi-conductive insulation screen
5.Copper tape screen
6.Fillers
7.Tape binder
8.Bedding
9.Galvanised steel wire armour
10.Outer sheath

Cable Marking and Packing Materials

Cable Marking:
printing, embossing ,engraving

Packing Materials:
wooden drum, steel drum, steel-wooden drum

Standards

-BS 6622, IEC/EN 60228

BS 6622 Standard 8.7/15(17.5)kV XLPE Insulated Power Cables Physical Performance Parameters

No.of Cores	Nominal Section Area	Nominal Diameter of Conductor	Nominal Thickness of Insulation	Min.Thickness of Insulation	Nominal Thickness of Outer Sheath	Min.Thickness of Outer Sheath	Nominal Overall Diameter	Nominal Weight
No.of Cores	Nominal Section Area	Nominal Diameter of Conductor	Nominal Thickness of Insulation	Min.Thickness of Insulation	Nominal Thickness of Outer Sheath	Min.Thickness of Outer Sheath	Nominal Overall Diameter	Cu	Al
-	mm²	mm	mm	mm	mm	mm	mm	kg/km
1	50	8.10	4.50	3.95	1.70	1.32	25.00	950	1040
1	70	9.70	4.50	3.95	1.8	1.40	27.00	1205	1160
1	95	11.40	4.50	3.95	1.9	1.48	29.00	1506	1300
1	120	12.70	4.50	3.95	1.9	1.48	31.00	1778	1420
1	150	14.50	4.50	3.95	2.0	1.56	32.00	2071	1540
1	185	15.90	4.50	3.95	2.0	1.56	34.00	2446	1710
1	240	18.60	4.50	3.95	2.1	1.64	37.00	3047	1950
1	300	20.70	4.50	3.95	2.2	1.72	39.00	3672	2210
1	400	23.50	4.50	3.95	2.3	1.80	43.00	4540	2550
1	500	26.50	4.50	3.95	2.4	1.88	46.00	5630	2970
1	630	30.20	4.50	3.95	2.5	1.96	50.00	7051	3500
3	50	8.10	4.50	3.95	2.6	2.12	58.00	5830	5060
3	70	9.70	4.50	3.95	2.7	2.20	60.00	6860	5680
3	95	11.40	4.50	3.95	2.8	2.28	68.00	7990	6350
3	120	12.70	4.50	3.95	2.9	2.36	72.00	9180	6980
3	150	14.50	4.50	3.95	3.0	2.52	75.00	10160	7450
3	185	15.90	4.50	3.95	3.1	2.60	80.00	12620	9300
3	240	18.60	4.50	3.95	3.2	2.76	86.00	14890	10540
3	300	20.70	4.50	3.95	3.4	2.84	91.00	17190	11830
3	400	23.50	4.50	3.95	3.6	3.08	99.00	20560	13450

Electrical Performance Parameters

No.of Cores	Nominal Section Area	Max.D.C. Resistance of Conductor at 20℃	Max.A.C. Resistance of Conductor at 20℃	Nominal Short Circuit Current at 1 Second	Current Carrying Capacity		Conductor Losses in Ground
No.of Cores	Nominal Section Area	Max.D.C. Resistance of Conductor at 20℃	Max.A.C. Resistance of Conductor at 20℃	Nominal Short Circuit Current at 1 Second	in ground(at 20℃)	in air(at 20℃)	Conductor Losses in Ground
-	mm²	Ω/km	Ω/km	kA	A	A	kW/km
1	50	0.387	0.497	7.15	249	277	30.81
1	70	0.268	0.344	10.01	303	345	31.58
1	95	0.193	0.248	13.59	358	418	31.78
1	120	0.153	0.196	17.16	404	481	31.99
1	150	0.124	0.160	21.45	441	537	31.12
1	185	0.0991	0.128	26.46	493	612	31.11
1	240	0.0754	0.098	34.32	563	716	31.06
1	300	0.0601	0.080	42.90	626	811	31.35
1	400	0.0470	0.064	57.20	676	901	29.25
1	500	0.0366	0.051	71.50	743	1006	28.15
1	630	0.0283	0.042	90.09	-	-	-
3	50	0.387	0.497	7.15	210	206	65.75
3	70	0.268	0.344	10.01	256	257	67.63
3	95	0.193	0.248	13.59	307	313	70.12
3	120	0.153	0.196	17.16	349	360	71.62
3	150	0.124	0.160	21.45	392	410	73.76
3	185	0.0991	0.128	26.46	443	469	75.36
3	240	0.0754	0.098	34.32	513	553	77.40
3	300	0.0601	0.080	42.90	576	635	79.60
3	400	0.0470	0.064	57.20	650	731	81.10
3	500	0.0366	0.051	71.50	-	-	-
3	630	0.0283	0.042	90.09	-	-	-