6/10kv 12/20kv 18/30kv Mv Underground Power Cables Outdoor Energy IEC 60502 BS 6622 6.35/11kv 12.7/22kv 19/33kv Swa Cable

Product Description

MV Underground Power Cables Outdoor Energy IEC 60502 BS6622- 6/10 6.35/11kV
6/10kV 12/20kV 18/30kV MV Underground Power Cables Outdoor Energy IEC 60502 BS 6622 6.35/11kV 12.7/22kV 19/33kV SWA Cable
MV Underground Power Cables Outdoor Energy BS 7835 - 6.35/11kV SWA Application
Their aluminium wire armour (AWA) for single core cables and steel wire armour (SWA) for multicore cables provide robust mechanical protection making these MV cables suitable for direct burial in the ground. These armoured MV mains power cables are more commonly supplied with copper conductors but they are also available with aluminium conductors upon request to the same standard. The copper conductors are stranded (Class 2) whereas the aluminium conductors are compliant to the standard using both stranded and solid (Class 1) constructions.
Operating characteristics 1. Laying temperature: ≥0°C;
2. Cable conductor long-term allowable working temperature: PVC insulated ≤70°C, XLPE insulated ≤90°C;
3. Maximum operating temperature in case of short-circuit: PVC insulated ≤160°C, XLPE insulation ≤ 250°C;
4. Cable bending radius:

Item	Single-core		Three-core
	Non-armored	Armored	Non-armored	Armored
Installation	20D	15D	15D	12D
Close to the terminal and connection box	15D	12D	12D	10D

Note: D is the cable diameter

MV Cables Construction
BS6622 BS7835

Conductor	Class 2 stranded copper or Class 1 solid /Class 2 stranded aluminium
Conductor Screen	Semi-conductive Cross-Linked Polyethylene (XLPE)
Insulation	XLPE
Insulation Screen	Semi-conductive XLPE
Metallic Screen	Individual or overall copper tape
Filler	Polyethylene Terephthalate (PET) fibres
Separator	Binding Tape
Bedding	Polyvinyl Chloride (PVC)	Low Smoke Zero Halogen (LSZH) compound
Armour	Single core cable: Aluminium Wire Armour (AWA) Multicore cable: Steel Wire Armour (SWA)
Sheath	PVC or Medium Density Polyethylene (MDPE)	LSZH

Cable models, names, and laying conditions

Model		Name	Laying Occasion
Copper core	Aluminum core
YJV	YJLV	XLPE insulated PVC sheathed power cable	Laid indoors, and in tunnels and pipelines
YJY	YJLY	XLPE insulated PE sheathed power cable
YJV22	YJLV22	XLPE insulated steel tape armored PVC sheathed power cable	Adapt for buried laying, not suitable for in-pipe laying
YJV23	YJLV23	XLPE insulated steel tape armored PE sheathed power cable
YJV32	YJLV32	XLPE insulated thin steel wire armored PVC sheathed power cable	Laid on riverbeds of rivers or shallow water as connecting lines across rivers or petroleum/natural gas platforms, also used in land high drop areas.
YJV33	YJLV33	XLPE insulated thin steel wire armored PVC sheathed power cable
YJV42	YJLV42	XLPE insulated thick steel wire armored PVC sheathed power cable
YJV43	YJLV43	XLPE insulated thick steel wire armored PE sheathed power cable

Armoured 3-core cable with XLPE insualtion. Rated voltage 6/10 KV 6.35/11KV
Cable Data

Conductor			Insulation thickness (mm)	Copper tape screen (approximate) (mm)	PVC bedding thickness (mm)	Armored wire outer diameter (mm)	Sheath thickness (mm)	Outer diameter (approximate) (mm)	Copper core cable weight (kg/km)	Aluminum core cable weight (kg/km)
Cross sectional area (mm2)	Structure	Outer diameter (mm)
25	Compact round	6.0	3.4	0.1	1.3	2.5	2.5	48.0	4175	3703
35	Compact round	7.2	3.4	0.1	1.3	2.5	2.6	50.8	4733	4072
50	Compact round	8.4	3.4	0.1	1.4	2.5	2.7	53.8	5491	4547
70	Compact round	10.0	3.4	0.1	1.5	2.5	2.8	57.6	6446	5124
95	Compact round	11.7	3.4	0.1	1.5	2.5	2.9	61.5	7530	5737
120	Compact round	13.1	3.4	0.1	1.6	2.5	3.0	64.9	8628	6363
150	Compact round	14.6	3.4	0.1	1.6	2.5	3.1	68.3	9794	6963
185	Compact round	16.3	3.4	0.1	1.7	2.5	3.3	72.6	11326	7834
240	Compact round	18.5	3.4	0.1	1.8	3.15	3.5	79.2	14268	9737
300	Compact round	20.7	3.4	0.1	1.9	3.15	3.6	84.8	16641	10978
400	Compact round	23.8	3.4	0.1	2.0	3.15	3.9	92.3	20362	12811
500	Compact round	26.6	3.4	0.1	2.1	3.15	4.1	99.3	24203	14764

Note: The single-core armored cables are used for the D.C. system only. If used for the A.C. system, the magnetic isolation should be applied to the steel armor wires of non-magnetical materials that should be used.
3 Operating characteristics - Rated power-frepuency voltage U0/U: 6.35/11kV. - Max.admissible operating temperature of the conductor:90ºC. - Max. short-circurt temperature of conductor shall not exceed 250ºC. (5s maximum duration) - The ambient temperature under installation should not below 0ºC. - The bending radius of a single-core cable should not less than 20 times of the cable diameter. The bending radius of a multi-core cable should not less than 15 times of the cable diameter.

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