Caledonian Medium Voltage Cables - BS 6622 Single Core Unarmoured (Copper Wire Screen) 15KV XLPE Stranded Copper Conductors

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BS 6622 Single Core Unarmoured (Copper Wire Screen) 15KV XLPE Stranded Copper Conductors

Edilizia

Cross-sectional area mmsq	Minimum average thickness of insulation mm	Nominal diameterover insulation mm	Nominal area of copper wire screen mm sq	Nominal thickness of PVC oversheath mm	Nominal overall diameter of cable mm
70	4.5	21.2	16	1.8	28.1
95	4.5	22.9	16	1.9	30.1
120	4.5	24.4	16	1.9	31.8
150	4.5	25.7	16	2	33.1
185	4.5	27.5	16	2	35.1
240	4.5	29.7	25	2.1	37.3
300	4.5	32.0	25	2.2	39.8
400	4.5	34.7	35	2.3	42.7
500	4.5	37.6	35	2.4	45.9
630	4.5	41.5	35	2.5	50.0

Installation

cross-sectional area mmsq	Approximate cable weight kg/m	Nominal drum length m	Minimum bending radius mm	Nominal internal diameter of ducts mm
70	0.9	1000	550	100
95	1.1	500	550	100
120	1.2	500	600	100
150	1.3	500	600	100
185	1.5	500	650	100
240	1.8	500	700	100
300	2	500	750	100
400	2.5	500	800	100
500	2.9	500	850	100
630	3.4	400	900	100

Performance Elettrica

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
70	443.0	568	127	582	232	0.63
95	320.0	410	120	427	258	0.70
120	253.0	325	116	345	281	0.77
150	206.0	365	112	288	301	0.82
185	164.0	211	109	237	329	0.9
240	125.0	161	105	192	363	0.99
300	100.0	130	101	165	398	1.09
400	77.8	102	97.9	141	439	1.2
500	60.5	81	95.1	125	483	1.32
630	46.9	64	91.5	112	542	1.46

Ratings

Cross-sectional area mmsq	Laid direct in ground Amps	Drawn into ducts Amps	Laid in air Amps	One second short circuit rating of conductor KA	One second short circuit rating of copper per core KA
70	210	215	240	6.3	2.6
95	250	255	300	8.5	2.6
120	280	285	355	11	2.6
150	320	315	380	13.5	2.6
185	360	350	435	17	2.6
240	415	405	510	22.3	4.3
300	475	455	600	28	4.3
400	540	510	700	36.6	5.8
500	610	570	810	46.2	5.8
630	680	640	930	58.3	5.8