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127/220KV Cu Cross Linked Polyethylene Insulated Cable Longitudinal Water Resistant

Name: 127220KV Cu Cross Linked Polyethylene Insulated Cable Longitudinal Water Resistant
Brand: CHINT
Price: 1 USD

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Brand Name :	CHINT
Model Number :	YJLW03
Certification :	KEMA/CE/SGS
Price :	Negotiable
Supply Ability :	1000KM/Month

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Product Details
Company Profile

127/220KV Cu Cross Linked Polyethylene Insulated Cable Longitudinal Water Resistant

127/220KV Cu Cross-linked polyethylene insulated corrugated aluminum sheathed PE sheathed longitudinal water resistance

Construction

Ordering Advice

Rated Voltage

Application Standard: IEC/BS/UL/GB

Number of Cores

Conductor Size & Construction

Type of Insulation

Armored or unarmored. If armor, the armor type & material

The Requirement of Sheath

Length of Cable & Packing Requirement

Other Requirement

Standards

International: IEC 60840 IEC 62067

China: GB∕T 11017, GB∕T 18890

Other standards such as BS,VDE and ICEA upon request

Certificates

CE, SGS, KEMA and more others at request

Technical data

Maximum Conductor Temperature: under normal (90 ℃), emergency (130℃) or short circuit no more than 5 s (250℃) conditions.

Min. Ambient Temp.: The cable shall be pre heated if the ambient temperature is below 0℃

Min. Bending Radius: 20(d+D)±5%

1. Conductor:

1.1 Compact round conductors, composed of several layers of concentric spiral-wound wires.

1.2 Segmental conductors, conductors are composed of several segment-shaped conductors assembled together to form a cylindrical core.

2. Semi-conductor screen on conductor:

To prevent electric field concentration, there is an interface of ultra-smooth semi-conductor XLPE between the conductor and the insulation.

3. XLPE Insulation:

The insulation insulates the conductor when working at high voltage from the screen working at earthing potential. The insulation must be able to withstand the electric field under rated and transient operating conditions.

4. Semi-conductor screen on insulation:

This layer has the same function as the conductor screen: Progressive transition from an insulating medium, where the electric field is non- null, to a conductive medium (here the metal cable screen) in which the electric field is null.

5. Metallic screen:

Wrinkled aluminum screen welded longitudinally

Core: single

6. Sheath:

PVC(IEC60502 ST₂) PE(IEC60502 ST₇)

7. Core identification:

Natural

8. Cable marking:

embossing or printing

9. Standard:

IEC 60840 IEC 62067 GB/T 11017 GB/T 18890

10. Application:

Used in the transmission lines between two units of an electricity distribution grid,a generator unit and a distribution unit or inside a station or sub-station.

11. Laying:

Air or directly buried

Item	Function	Composition
Conductor	• to carry current - under normal operating conditions - under overload operating conditions - under short-circuit operating conditions • to withstand pulling stresses during cable laying	S≤800mm2 Compact round stranded cable with copper or aluminum wires S＞800mm2 Segmental conductors
Internal semi-conductor	• To prevent concentration of electric field at the interface between the insulation and the internal semi-conductor • To ensure close contact with the insulation. To smooth the electric field at the conductor	XLPE semi-conducting shield
Insulation	• To withstand the various voltage field stresses during the cable service life: - rated voltage - lightning overvoltage - switching overvoltage	XLPE insulation The internal and external semi-conducting layers and the insulation are co-extruded within the same head.
External semi-conductor	To ensure close contact between the insulation and the screen. To prevent concentration of electric field at the interface between the insulation and the external semi-conductor.	XLPE semi-conducting shield
Metallic screen	To provide: • An electric screen (no electric field outside the cable) • Radial waterproofing (to avoid contact between the insulation and water) • An active conductor for the capacitive and zero-sequence short-circuit current • A contribution to mechanical protection	Wrinkled aluminum screen welded longitudinally
Outer protective sheath	• To insulate the metallic screen from the surrounding medium • To protect the metallic screen from corrosion • To contribute to mechanical protection • To reduce the contribution of cables to fire propagation.	Insulating sheath • Possibility of semi-conducting layer for dieletric tests • Polyethylene jacket • PVC jacket

Technical Specifications

127/220kV Copper Conductor

Nom. Cross-section of conductor mm2	Conductor diameter mm	Insulation Thickness mm	Max. D.C Resistance of Conductor (20 ℃) Ω/km	Electrostatic capacitance µF/km	Wrinkled aluminum screen		App Weight kg/m	Current Rating
Nom. Cross-section of conductor mm2	Conductor diameter mm	Insulation Thickness mm	Max. D.C Resistance of Conductor (20 ℃) Ω/km	Electrostatic capacitance µF/km	Thickness mm	diameter mm	App Weight kg/m	In air (A)	In soil(A)
1×400	23.6	27.0	0.0470	0.118	2.4	116.2	14.1	823	667
1×500	26.6	27.0	0.0366	0.126	2.4	119.2	15.5	948	760
1×630	30.0	26.0	0.0283	0.138	2.4	121.6	16.8	1096	868
1×800	.4.4	25.0	0.0221	0.154	2.4	124.0	18.8	1259	982
1×1000	39.5	24.0	0.0176	0.176	2.6	129.6	21.0	1506	1157
1×1200	43.0	24.0	0.0151	0.185	2.6	133.1	23.3	1650	1255
1×1400	46.5	24.0	0.129	0.195	2.6	136.6	25.6	1806	1362
1×1600	50.0	24.0	0.113	0.205	2.6	140.1	27.9	1949	1456
1×2000	55.5	24.0	0.0090	0.220	2.8	147.0	32.6	2199	1624
1×2500	61.0	24.0	0.0073	0.238	2.8	153.5	37.9	2453	1785

PACKING AND SHIPPING

We are capable of meeting the strictest delivery schedules according to per purchase order. Meeting the deadline is always the top priority as any delay in the delivery of cable can contribute to overall project delay and cost overrun.

Cable is supplied in wooden reels, corrugated boxes and coils. Cable ends are sealed with BOPP self-adhesive tape and non-hygroscopic sealing caps to protect the cable ends from moisture. The required marking shall be printed with a weather-proof material on the outsides of drum according to customer's requirement.

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127/220KV Cu Cross Linked Polyethylene Insulated Cable Longitudinal Water Resistant

127/220KV Cu Cross Linked Polyethylene Insulated Cable Longitudinal Water Resistant

127/220KV Cu Cross Linked Polyethylene Insulated Cable Longitudinal Water Resistant

xlpe insulated pvc sheathed cable

cross linked polyethylene insulated cable

127/220KV Cu Cross Linked Polyethylene Insulated Cable Longitudinal Water Resistant

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