66kV Three-Core Submarine Cable

66kV Three-Core Submarine Cable Application

66kV Three-Core Submarine Cable is a medium-to-high voltage underwater power cable designed to transmit three-phase electrical power across bodies of water. It’s commonly used in offshore renewable energy, island interconnection, and coastal infrastructure.

66kV Three-Core Submarine Cable Standards

IEC 60502-2, IEC 60840, CIGRE TB 490 (for submarine cable qualification)

66kv Three-Core Submarine Cable With Individual Lead Sheath Structure

66kv Three-Core Submarine Cable With Individual Lead Sheath Parameter

Parameter Specification(mm)		3X120	3X150	3X185	3X240	3X300	3X400	3X500	3X630	3X800
current capacity(A)	seabed	355	396	442	504	559	621	685	747	802
	intertidal	330	368	410	466	517	573	631	687	738
	land	310	344	383	435	481	533	587	638	684
resistance(Q/km)	Max DC Resistaroe at 20℃	0.153	0.124	0.0991	0.0754	0.0601	0.047	0.0366	0.0283	0.0221
	MaxAC Resistance at90℃	0.196	0.159	0.127	0.0974	0.0783	0.0621	0.0496	0.0398	00329
capacitance(μF/km)		0.142	0.160	0.169	0.183	0.197	0.214	0.233	0.252	0.274
cable diameter(approximate)(mm)		140.6	139.3	143.6	148.8	154.6	161.5	169.1	177.1	186
Min bending radius(mm		2812	2786	2873	2976	3092	3230	3382	3542	3720
weight of cable (kg/km)	in air	38752	38926	41821	45257	49505	54693	60985	68501	77206
	in water	23226	23686	25625	27867	30733	34208	38526	43867	50034

66kv Three-Core Submarine Cable with Individual Al-Pe Composite Sheath Structure

66kv Three-Core Submarine Cable with Individual Al-Pe Composite Sheath Parameter

Parameter Specification(mm)		3X120	3X150	3X185	3X240	3X300	3X400	3X500	3X630	3X800
current capacity(A)	seabed	321	358	400	456	507	566	622	674	729
	intertidal	300	334	373	425	472	523	579	627	676
	land	285	316	353	402	446	493	545	590	635
resistance(Q/km)	Max DC Resistaroe at 20℃	0.153	0.124	0.0991	0.0754	0.0601	0.047	0.0366	0.0283	0.0221
	MaxAC Resistance at90℃	0.196	0.159	0.127	0.0974	0.0783	0.0621	0.0496	0.0398	0.033
capacitance(μF/km)		0.142	0.160	0.169	0.183	0.197	0.214	0.233	0.252	0.274
cable diameter(approximate)(mm)		141.4	140.1	143.6	148.3	153.3	159.8	166.4	174.6	183.1
Min bending radius(mm)		2828	2802	2872	2966	3066	3196	3328	3492	3662
weight of cable (kg/km)	in air	29165	29636	31346	34265	37110	41031	45928	52036	58922
	in water	13464	14221	15162	16992	18649	20978	24178	28089	32591