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BS 6622 12.7/22(24)kV XLPE Power Cable SWA/STA Armoured

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Product Details

Product parameter

Application

Medium voltage XLPE Power Cable is suitable for power networks,underground and in cable ducting.They can be buried directly.

Performance

Voltage rating U0/U(Um):
12.7/22(24)kV

Test voltage(A.C.):
24kV

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 12.722(26)kV XLPE Power Cable SWASTA Armoured

12.7/22(24)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

12.7/22(24)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 12.7/22(24)kV XLPE Power Cable 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	5.5	4.85	-	1.40	-	-
1	70	9.70	5.5	4.85	2.0	1.48	37.2	2190	1980
1	95	11.40	5.5	4.85	2.1	1.48	39.0	2510	2120
1	120	12.70	5.5	4.85	2.1	1.56	40.4	2810	2290
1	150	14.50	5.5	4.85	2.2	1.56	42.3	3180	2430
1	185	15.90	5.5	4.85	2.2	1.64	43.8	3560	2830
1	240	18.60	5.5	4.85	2.3	1.72	46.5	4200	3010
1	300	20.70	5.5	4.85	2.4	1.80	49.9	5030	3270
1	400	23.50	5.5	4.85	2.5	1.88	53.8	6140	3630
1	500	26.50	5.5	4.85	2.6	1.96	56.6	7210	4130
1	630	30.20	5.5	4.85	2.8	2.04	62.0	7710	4690
3	50	8.10	5.5	4.85	2.9	2.20	65.6	7710	6810
3	70	9.70	5.5	4.85	3	2.28	69	8710	7370
3	95	11.40	5.5	4.85	3.2	2.44	73.1	10000	8130
3	120	12.70	5.5	4.85	3.3	2.52	77.7	12040	9730
3	150	14.50	5.5	4.85	3.4	2.68	81.7	13550	10750
3	185	15.90	5.5	4.85	3.6	2.76	85.5	15150	11610
3	240	18.60	5.5	4.85	3.7	2.84	91.3	17710	12840
3	300	20.70	5.5	4.85	3.9	3.00	96	20170	14360
3	400	23.50	5.5	4.85	4.1	3.24	104.8	24520	16480

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	250	279	31.10
1	70	0.268	0.344	10.01	304	347	31.80
1	95	0.193	0.248	13.59	361	420	32.30
1	120	0.153	0.196	17.16	407	483	32.47
1	150	0.124	0.160	21.45	445	540	31.68
1	185	0.0991	0.128	26.46	498	614	31.74
1	240	0.0754	0.098	34.32	569	718	31.73
1	300	0.0601	0.080	42.90	633	813	32.10
1	400	0.0470	0.064	57.20	686	904	30.10
1	500	0.0366	0.051	71.50	756	1011	29.10
1	630	0.0283	0.042	90.09	820	1030	28.20
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	77.37
3	300	0.0601	0.080	42.90	576	635	79.60
3	400	0.0470	0.064	57.20	650	731	81.12
3	500	0.0366	0.051	71.50	-	-	-
3	630	0.0283	0.042	90.09	-	-	-