JKLYJ overhead insulated conductor
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JKLYJ overhead insulated conductors are commonly used power transmission cables. The following is a detailed introduction:
Model Meaning
JKLYJ is the model abbreviation for overhead cross-linked polyethylene aluminum core cable, where:
JK: Represents overhead (Jia Kong).
L: Represents the conductor is an aluminum core wire (Lv Xin).
Y: Represents polyethylene (Yi Xi Wan).
J: Represents cross-linked type (Jiao Lian Xing).
Combined, it means "overhead cross-linked polyethylene aluminum core cable".
Structural Characteristics
JKLYJ overhead insulated conductors are mainly composed of aluminum core conductors and cross-linked polyethylene insulation layers. Aluminum core conductors have the advantages of being lightweight and low cost, while cross-linked polyethylene insulation layers have excellent electrical performance and weather resistance.
Performance Parameters
1. Electrical performance: JKLYJ overhead insulated conductors have high electrical performance and can meet the needs of most power distribution lines.
2. Mechanical Strength: This conductor has high mechanical strength and can effectively resist the effects of external forces such as wind pressure and snow pressure.
3. Weather Resistance: The cross-linked polyethylene insulation material has good weather resistance and can resist the erosion of ultraviolet rays, ozone, humidity, and other harsh climate conditions, extending the service life of the line.
4. Operating Temperature: The cable conductor allows an operating temperature of 90 degrees, and the temperature of the cable can reach 250 degrees Celsius during a short circuit. In addition, the laying temperature of the cable is not less than -20 degrees Celsius.
Application Range
JKLYJ overhead insulated conductors are mainly used in urban and forest area power grid renovations and are also suitable for overhead power lines of 35KV and below. Due to its excellent electrical performance and weather resistance, this conductor has wide applications in power transmission and distribution.
Construction and Installation
1. Installation Method: JKLYJ overhead insulated conductors are usually installed overhead and are not affected by complex environments such as trees and buildings.
2. Bending Radius: When laying the cable, the allowable bending radius is not less than 12 times the cable diameter to ensure that the mechanical and electrical performance of the cable is not affected.
Precautions
1. Model Selection Requirements: When selecting JKLYJ overhead insulated conductors, the selection should be made according to the specific use environment and electrical performance requirements to ensure the safety and stability of the line.
2. Construction Quality: During construction, construction should be carried out strictly in accordance with relevant standards to ensure that measures such as conductor connection, fixing, and protection are in place.
3. Maintenance: Regularly inspect and maintain the lines, promptly discover and deal with potential safety hazards, and ensure the normal operation of the lines.
In summary, JKLYJ overhead insulated conductors are high-performance, widely used power transmission cables. Selection, construction, and maintenance should be carried out strictly in accordance with relevant standards to ensure the safety and stability of the line.
JKLYJ overhead insulated conductor
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