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Cable type
Jun 01, 2018

Power cable

The editor

PVC insulated sheathed power cable

model

The name of the

Scope of application

V. v.

VLV

PVC insulated PVC sheathed power cable

When laying indoors, in tunnels and in pipes, the cables cannot withstand pressure and mechanical external forces.

VV22

VLV22

PVC insulated steel tape armored PVC sheathed power cable

The cable can withstand pressure and other external forces in indoor, tunnel and buried soil.

VV32

VLV32

PVC insulated fine wire armored PVC sheathed power cable

Laid indoors, in mines, in water, the cable can withstand considerable tension.

VV42

VLV42

PVC insulated thick steel wire armored PVC sheathed power cable

Laying in vertical places such as vertical shafts and underwater can withstand considerable axial tension.

ZR - v. v.

ZR - VLV

PVC insulated PVC sheathed flame-retardant power cable

When laying indoors, in tunnels and in pipes, the cables cannot withstand pressure and mechanical external forces.

ZR - VV22

ZR - VLV22

PVC insulated steel tape armored PVC sheathed flame-retardant power cable

The cable can withstand pressure and other external forces in indoor, tunnel and buried soil.

ZR - VV32

ZR - VLV32

PVC insulated fine wire armored PVC sheathed flame-retardant power cable

Laid indoors, in mines, in water, the cable can withstand considerable tension.

ZR - VV42

ZR - VLV42

PVC insulated thick steel wire armored PVC sheathed flame-retardant power cable

Laid in vertical places such as vertical shafts and underwater, it can withstand considerable axial tension.

PVC insulated sheath fireproof power cable

model

The name of the

NH - v. v.

PVC insulated and sheathed refractory power cable

Nh-vv22 PVC insulated and sheathed steel tape armored fire-resistant power cables

Crosslinked polyethylene insulated power cable

model

The name of the

YJV

YJLV

Copper or aluminum core crosslinked polyethylene insulation, PVC sheathed power cable

YJV22

YJLV22

Copper core or aluminum core crosslinked polyethylene insulation, steel belt armored PVC sheathed power cable

YJV32, 42,

YJLV32, 42,

Copper core or aluminum core crosslinked polyethylene insulation, steel wire armored PVC sheathed power cable

Symbol meaning

The editor

1. Insulation type: V stands for PVC; X stands for rubber; Y stands for polyethylene; YJ stands for crosslinked polyethylene. Z is paper.

2. Conductor material: L stands for aluminum; T (omitted) stands for copper.

3. Inner sheath: V represents PVC sheath; Y polyethylene sheath; L aluminum sheath; Q lead sheath; H rubber sheath; F neoprene sheath.

4. Features: D does not drip; F split phase; CY oil filled; P lean dry insulation; P block; Z dc.

5. Armor layer: 0 none; 2 double steel belt; 3 fine wire; 4 thick steel wire.

6. Outer layer: 0; 1. Fiber sheath; 2 PVC sheath; Polyethylene sheath.

7. Add ZR to flame retardant cable before code name; Fire resistant cable with NH before code name; Fire cable with DH before code name.

Type and product description of oil filled cable

The oil-filled cable model consists of the serial code of the product and the code of each part of the cable structure. Self-capacity oil filled cable series code CY. Jacket construction

From inside to outside, the code combination of reinforcement layer, armor layer and outer cover layer is used. Insulation type, conductor material, inner protection code and the arrangement of each code

The order and presentation of the product are the same as 35kV and below power cables. For example, CYZQ102, 220/1 * 4 represents copper core, paper insulation, lead sheath,

Copper belt radial reinforcement, unarmored, polyvinyl chloride sheath, rated voltage 220kV, single core, nominal cut-off area 400mm2 self-capacitance oil filled cable.

The code name of outer sheath of oil-filled cable is

1. Strengthening layer: 1 represents radial strengthening of copper belt; 2 represents radial reinforcement of stainless steel band; 3. Radial reinforcement of steel belt; Stainless steel band radial, narrow stainless steel band

Vertical reinforcement.

2. Armor layer: 0 without armor; 2 steel belt armor; 4 thick steel wire armouring.

3. Outer layer: 1 fibrous layer; 2 PVC sheath; Polyethylene sheath.

Use instructions

The editor

Model/copper core

The name of the

use

NA - YJV/NB - YJV

Crosslinked polyethylene insulated PVC sheathed A(B) type refractory power cable

It can be laid in indoor, tunnel and pipeline with fire resistance requirements.

NA - YJV22 / NB - YJV22

Crosslinked polyethylene insulated steel tape armored PVC sheathed type A(B) fireproof power cable

Suitable for burying ground when required for fire resistance, not suitable for pipeline laying.

NA - v. v. / NB - v. v.

PVC insulated PVC sheath

It can be laid in indoor, tunnel and pipeline with fire resistance requirements.

NA - VV22 / NB - VV22

PVC insulated steel tape armored PVC sheathed type A(B) fireproof power cable

Suitable for burying ground when required for fire resistance, not suitable for pipeline laying.

WDNA - YJY/WDNB - YJY

Crosslinked polyethylene insulated polyolefin sheath A(B) type halogen-free low-smoke refractory power cable

It can be laid in the indoor, tunnel and pipeline with low smoke and no halogen and required fire resistance.

WDNA - YJY23 / WDNB - YJY23

Crosslinked polyethylene insulated steel tape armored polyolefin sheath A(B) type halogen-free low-smoke refractory power cable

Suitable for burying in the ground when there is no halogen and low smoke and the fire resistance is required.

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