Power Cables

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BS 6622 Single Core Armoured 15KV XLPE Stranded Copper Conductors

Construction

cross-sectional area mmsq	Minimum average thickness of insulation mm	Nominal area of copper tape screen mm sq	Nominal thickness of PVC bedding mm	Nominal number and diameter of armoured wires no./mm	Nominal thickness of PVC oversheath mm	Nominal overall diameter of cable mm
50	4.5	19.4	1.2	43/1.6	1.9	30.3
70	4.5	21.2	1.2	46/1.6	1.9	32.1
95	4.5	22.9	1.2	40/2.0	2.0	34.8
120	4.5	24.4	1.2	42/2.0	2.1	36.5
150	4.5	25.7	1.2	44/2.0	2.1	37.8
185	4.5	27.5	1.2	46/2.0	2.2	40.0
240	4.5	29.7	1.2	49/2.0	2.3	42.4
300	4.5	32.0	1.2	53/2.0	2.3	44.7
400	4.5	34.7	1.3	46/2.5	2.5	49.0
500	4.5	37.6	1.3	49/2.5	2.6	52.1
630	4.5	41.0	1.4	53/2.5	2.7	55.9
800	Please refer to our technical department for further information
1000

Installation

cross-sectional area mmsq	Approximate cable weight kg/m	Nominal drum length m	Minimum bending radius mm	Nominal internal diameter of ducts mm
50	1.4	1000	550	100
70	1.7	1000	600	100
95	2.1	500	650	100
120	2.4	500	700	100
150	2.7	500	700	100
185	3.2	500	750	100
240	3.8	500	800	100
300	4.5	500	850	100
400	5.6	300	900	100
500	6.7	300	950	100
630	8.2	300	1050	100
800	Please refer to our technical department for further information
1000

Electrical Performance

cross-sectional area mmsq	Maximum DC resistance of conductor at 20 ℃ uohms/m	Maximum AC resistance of conductor at 90 ℃ uohms/m	Reactance at 50Hz uohms/m	Impedance at 50Hz uohms/m	Maximum Capacitace PF/m	Maximum charging current at normal voltage and frequency mA/m
50	387	494	144	514	204	0.56
70	268	343	135	368	232	0.63
95	193	248	129	279	258	0.7
120	153	196	124	232	281	0.77
150	124	159	121	198	301	0.82
185	99.1	128	117	172	329	0.9
240	75.4	98	113	148	363	0.99
300	60.1	80	108	133	398	1.09
400	47	64	107	124	439	1.2
500	36.6	51	103	114	483	1.32
630	28.3	42	99.5	107	534	1.46
800	Please refer to our technical department for further information
1000

Ratings

Cross-sectional area mmsq	Current Ratings			Short circuit ratings
Cross-sectional area mmsq	Laid direct in ground Amps	Drawn into ducts Amps	650Laid in air Amps	One second short circuit rating of conductor KA	One second short circuit rating of copper per core KA
50	220	220	250	6.8	Typically less then 1kA
70	270	260	310	9.8
95	320	305	375	13.3
120	360	640	430	17.2
150	410	375	490	21.2
185	455	410	550	26.6
240	520	460	650	34.9
300	580	500	740	43.8
400	650	530	840	57.3
500	710	570	930	72.3
630	760	620	1040	91.2
800	Please refer to our technical department for further information
1000