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High voltage cable

High voltage cable is a kind of power cable, which refers to the power cable used for transmission between 1kv and 1000kv, and is mostly used for power transmission and distribution.

Definitions and materials

High voltage cable is a kind of power cable, which refers to the power cable used for transmission between 1kv and 1000kv, and is mostly used for power transmission and distribution.

Classification

The main types of medium voltage cables are YJV cables, VV cables, YJLV cables, and VLV cables.

YJV cable full name XLPE insulated PVC sheathed power cable (copper core)

VV cable full name PVC insulated PVC sheathed power cable (copper core)

YJLV cable full name XLPE insulated PVC sheathed aluminum core power cable

VLV cable full name PVC insulated PVC sheathed aluminum core power cable

Due to the excellent conductivity of copper conductors, more and more projects use copper core power cables as the main road for power supply systems, while aluminum core power cables have fewer applications, especially in higher voltage power systems. The more cables there are.

Function and characteristics

This product is suitable for fixed rated lines with AC rated voltage of 35KV and below. The maximum long-term working temperature of the cable conductor is 90 degrees. When the short circuit (maximum time does not exceed 5S), the maximum temperature of the cable conductor does not exceed 250 degrees.

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Use

NA-YJV, NB-YJV, XLPE insulated PVC sheathed A (B) fire-resistant power cables can be laid in rooms, tunnels and pipes that require fire resistance.
NA-YJV22, NB-YJV22, XLPE insulated steel tape armored PVC sheath A (B) fire-resistant power cables are suitable for laying in the ground when fire resistance is required, not suitable for laying in pipelines.
NA-VV, NB-VV, PVC insulated and PVC sheathed A (B) fire-resistant power cables can be laid in rooms, tunnels and pipes that require fire resistance.
NA-VV22, NB-VV22, PVC insulated steel tape armored PVC sheath A (B) fire-resistant power cables are suitable for laying in the ground when fire resistance is required, not suitable for laying in pipelines.
WDNA-YJY23, WDNB-YJY23, XLPE insulated steel tape armored polyolefin sheath A (B) halogen-free low-smoke fire-resistant power cable is suitable for laying in the ground when halogen-free low-smoke and fire resistance is required. Lay inside the pipeline.
ZA-YJV, ZA-YJLV, ZB-YJV, ZB-YJLV, ZC-YJV, ZC-YJLV, XLPE insulated PVC sheath A (B, C) flame-retardant power cables can be laid in the resistance Burning required indoors, tunnels and pipes.
ZA-YJV22, ZA-YJLV22, ZB-YJV22, ZB-YJLV22, ZC-YJV22, ZC-YJLV22, XLPE insulated steel tape armored PVC sheath A (B, C) flame-retardant power cables are suitable It is not suitable for laying in the pipeline if it is buried in the ground when flame retardance is required.
ZA-VV, ZA-VLV, ZB-VV, ZB-VLV, ZC-VV, ZC-VLV, PVC insulated and PVC sheathed A (B, C) flame retardant power cables can be laid on the flame retardant Required indoors, tunnels and pipes.
ZA-VV22, ZA-VLV22, ZB-VV22, ZB-VLV22, ZC-VV22, ZC-VLV22, PVC insulated steel tape armored PVC sheath A (B, C) flame-retardant power cables are suitable for It is buried in the ground when flame retardance is required, and it is not suitable for laying in the pipeline.
WDZA-YJY, WDZA-YJLY, WDZB-YJY, WDZB-YJLY, WDZC-YJY, WDZC-YJLY, XLPE insulated polyolefin sheath A (B, C) flame retardant power cable can be laid on the flame retardant And halogen-free low-smoke indoors, tunnels and pipes are required.
WDZA-YJY23, WDZA-YJLY23, WDZB-YJY23, WDZB-YJLY23, WDZC-YJY23, WDZC-YJLY23, XLPE insulated steel tape armored polyolefin sheath A (B, C) flame-retardant power cables It is flame-retardant and halogen-free and low-smoke is buried in the ground when required. It is not suitable for laying in the pipeline.
VV, VLV, copper (aluminum) core PVC insulated PVC sheathed power cables are laid indoors, in tunnels and pipes or outdoor brackets. They do not withstand pressure and mechanical external forces.
VY, VLY, copper (aluminum) core PVC insulated polyethylene sheathed power cable.
VV22, VLV22, copper (aluminum) core PVC insulated steel tape armored PVC sheathed power cables are laid indoors, in tunnels, cable trenches and directly buried soil. The cables can withstand pressure and other external forces.
VV23, VLV23, copper (aluminum) core PVC insulated steel tape armored polyethylene sheathed power cable.

 

 

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