Aluminum conductor XLPE Insulation aluminum wire armored PVC or HDPE sheath single core cables armored

12/20(24)kv Single core aluminum conductors XLPE insulated aluminum wire armored to IEC 60502-2 cables. Cable Construction: 1. Aluminum conductor 2. Semiconductive conductor screen 3. XLPE insulation 4. Semiconductive Insualtion screen. 5. Copper tape screen 6. Bedding 7. Aluminum amour 8. Outer sheath.

Rated Voltage	KV	12/20(24)KV
Nominal area of conductor	mm 2	50	70	95	120	150	185	240	300	400	500	630	800	1000
Conductor diameter(MAX)	mm	8.4	9.9	11.6	13	14.5	16.1	18.4	20.6	23.7	26.6	29.8	33.6	37.6
Weight of conductor(Approx)	Kg/Km	125	180	250	313	386	486	637	800	1024	1318	1672	2231	2745
Insulation thickness(Nominal)	mm	2.5	2.5	2.5	2.5	2.5	2.5	2.6	2.8	3	3.2	3.2	3.2	3.2
Separation sheath thickness	mm	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.2	1.3	1.4	1.4	1.5
Armour wire diameter(Nominal)	mm	1.6	1.6	1.6	1.6	1.6	2	2	2	2	2.5	2.5	2.5	2.5
Outersheath thickness(Nominal)	mm	1.8	1.8	1.9	1.9	2	2	2.1	2.2	2.3	2.5	2.6	2.7	2.9
Approximate overall diameter	mm	26.0	28.0	29.5	31.0	32.5	35.0	37.5	40.5	44.0	49.0	52.5	57.0	61.0
Approximate cable weight	Kg/Km	810	980	1170	1260	1390	1660	1950	2320	2710	3440	4090	4890	5680
Minimum bending radius of cable(during installation)	mm	387	417	438	461	485	522	563	605	660	732	786	849	915
Maximum DC resistance of conductor at 20 degree	ohm/Km	0.641	0.443	0.32	0.253	0.206	0.164	0.125	0.1	0.0778	0.0605	0.0469	0.0367	0.0291
Approximate AC resistance of conductor at 90 degree	ohm/Km	0.822	0.568	0.411	0.325	0.265	0.211	0.162	0.13	0.102	0.080	0.064	0.051	0.043
Approximate reactance at 50Hertz	ohm/Km	0.13	0.12	0.12	0.11	0.11	0.11	0.10	0.10	0.10	0.10	0.10	0.09	0.09
Approximate impedance at 50Hertz	ohm/Km	0.83	0.58	0.43	0.29	0.24	0.19	0.16	0.14	0.13	0.13	0.11	0.10	0.09
Approximate capacitance of cable	uf/Km	0.34	0.38	0.43	0.47	0.51	0.56	0.61	0.63	0.65	0.69	0.73	0.79	0.85
Approx. charging current per phase at Uo=12KV and f=50HZ	mA/m	0.38	0.43	0.49	0.53	0.58	0.63	0.69	0.71	0.74	0.78	0.83	0.89	0.96
Sustained current ratings
1.Laid direct,ground temp.30 degree &g=1.2 degree  m/W,depth of laying=0.8m,laid in trefoil touching	A	151	187	223	249	280	316	360	405	454	507	570	623	676
2.Drawn into ducts,ground temp.30 degree &g=1.2 degree  m/W,depth of laying=0.8m,laid singly	A	151	187	218	245	267	298	338	374	405	445	490	525	570
3.Laid in air in trefoil touching,Ambient temp.35 degree	A	179	221	271	327	350	400	469	534	616	708	810	902	994
One second short circuit current rating of conductor	kA	4.70	6.58	8.93	11.28	14.10	17.39	22.56	28.20	37.60	47.00	59.22	75.20	94.00

21KV Aluminum Conductor XLPE Insulation PVC Bedding Steel Wire Armored PVC or HDPE Outer Sheath Electric Cables (CU/XLPE/SWA/PVC