National standard high-voltage cables for coal mines

NegotiableUpdate on 02/20

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

The cable products produced by our factory for high-voltage cables used in national standard coal mines have been widely used in basic industries such as power, metallurgy, petroleum, fire protection, chemical industry, and two network transformation, as well as modern engineering support. They have been repeatedly applied in key construction projects. Over the years, the product quality has been stable and well received by users.

Product Details

National standard high-voltage cables for coal minesNational standard high-voltage cables for coal mines

Our factory's cables include coal mine cables, mining optical cables, power cables, control cables, communication cables, shielded cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, aluminum alloy cables, and so on.

1、 Purpose:

This product is rated voltage for coal mines1KVThe fixed laying cables below are suitable for power transmission underground in coal mines.

2、 Usage conditions

The long-term allowable working temperature of the wire core is90℃The temperature for cable laying shall not be lower than0℃The allowable bending radius of the cable is15（D＋d）±5%.

model

name

MYJVCross linked polyethylene insulated polyvinyl chloride sheathed power cable for coal mines

MYJV22Cross linked polyethylene insulated steel tape armored polyvinyl chloride sheathed mining power cable

MYJV32Cross linked polyethylene insulated fine steel wire armored polyvinyl chloride sheathed power cable for coal mines

MYJV42Cross linked polyethylene insulated thick steel wire armored polyvinyl chloride sheathed mining power cable

Usage characteristics

Working temperature: conductor high rated working temperature90℃

Conductor short-circuit temperature: High temperature should not exceed250℃.

Installation and laying temperature: The temperature for cable installation and laying shall not be lower than0℃

Laying in the air: ambient temperature40℃

Laying in soil: ambient temperature25℃

Scope of Application

This product is suitable for rated power frequency voltage6KV--35kVFor fixed installation in power distribution networks or industrial facilities.

Usage characteristics

Power frequency rated voltageU0/Ufor3.6/6kV～26/35kV.

High allowable operating temperature for cable conductors:90℃.

During a short circuit (not exceeding a certain duration)5s）The high temperature of the cable conductor shall not exceed250℃.

The ambient temperature during cable laying should not be lower than0℃.

Cable bending diameter: Three core cable not less than the outer diameter of the cable15Double; Single core cable not less than the outer diameter of the cable20Twice.

Selection of cable rated voltage

The rated voltage of the cable should be suitable for the operating conditions of the cable systemU0/U（Um）kVexpress.