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6

Power Cable

6.1

XLPE insulated power cable

6.1.1

XLPE insulated power cable with rated coltage 1kV(Um=1.2kV) & 35kv(Um=40.5kV)

a	Service performance

Operating temperature: Max.Permissible continuous operating temperature of Conductors shall not exceed 90℃?/li>

Conductor Short circuit temperature: No exceeding 250℃?Max.Sustaining period: No exceeding 5 seconds.

Bending radius:
Bending radius of single core cable:20D
Bending radius multi-core cable:15D
D=Actual overall diameter of cable sample(mm)

Installation temperature:
The lowest temperature of installation is 0℃?
Current ratings and basic parameters are calculated under the following cable laying conditions and basic ambient temperature.
Layout of single core cables:In parallel (Spacing side by side:1D D = overall diameter)

method of laying	Basic ambient temperature
In air	40℃?/div>
Directburial	25℃?/div>
	Soil thermal resistivity 1.0K*m/V

b

Structure


Single-core nonarmoured YJV YJLV	Three-core steel tape armoured YJV YJLV	Three-core steel tape armoured YJV YJLV

1 Conductor	2 Conductor Screen
3 XLPE Insulation	4 Insulation
5 Metallic Screen	6 Fille
7 Sperating Sheath (Inner Covering)	8 Armour
9 Oversheath
Note: For cables Uo lower than 3.6KV , No conductor screen and insulation screen are appulied.

c	Scope of cable

TYPE	No.Of cores	Rated coltange(kv)
		06/1	1.8/3	3.6/6	6/6 6/10	8.7/10 8.7/15
		Nominal area of conuctor (mm²)
YJV YJLV YJV22 YJLV22 YJV32 YJLV32	1,2,3 3+1, 3+2 4+1, 5	1.5-400	10-400	25-400	25-400	25-400
		1.5-300	-	-	-	-
		1.5-300	10-300	25-300	25300	25-300
		1.5-300	-	-	-	-
		1.5-300	-	-	-	-
		4-300	-	-	-	-
		4-300	10-300	25-300	25-300	25-300
		4-300	-	-	-	-
		4-300	-	-	-	-
		10-300	-	25-300	25-300	25-300
		4-300	-	25-300	25-300	25-300
		2.5-300	-	-	-	-
		2.5-300	-	-	-	-
		2.5-300	-	-	-	-

d	Type & description

TYPE	Description	Main Application
YJV YJLV	Cu or Al conductor XLPE insulated PVC Sheath	For laying indoor and outdoor,unable to bear extermal mechanical force but the tractive force during laying. Laying Single cable in magnetic is not permissble
YJV22 YJLV22	Cu or Al conductor XLPE insulated steel tape armored PVC Sheath	For laying underground ,able to bear external mechanical force, but unable to bear large pulling force
YJV32 YJLV32	Cu or Al conductor XLPE insulated thin tape wire armored PVC Sheathed power cable	For laying underground ,vertical well,or underwater,able to bear certain pulling force.

Copyright: GHCABLE(Danyang Ganghong Electric Wire & Power Cable Co., Ltd)

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