18/30kV XLPE Power Cable CU/XLPE/CWS/PVC for Substation and Industrial Projects

Product Specification

18/30kV XLPE Power Cable CU/XLPE/CWS/PVC for Substation and Industrial Projects IEC 60502-2

18/30kV XLPE power cable CU/XLPE/CWS/PVC is a medium voltage cable designed for underground and industrial power distribution systems. It is commonly used in substations, mining, and EPC infrastructure projects where high electrical reliability, mechanical protection, and long service life are required.

The cable complies with IEC standards and uses XLPE insulation with copper wire screening (CWS) and PVC sheath to ensure stable operation in harsh environments.

What is 18/30kV XLPE Power Cable?

18/30kV XLPE power cable is a medium voltage cable system used for electrical power transmission between substations, industrial plants, and distribution networks.

It belongs to the XLPE insulated power cable category, offering:

High dielectric strength
Low electrical losses
Excellent thermal stability
Long service life (25–30 years typical)

This makes it suitable for underground power cable systems and industrial distribution networks.

Key Technical Features

• Voltage rating: 18/30kV
• Maximum conductor operating temperature: 90°C
• Short-circuit temperature: up to 250°C (max 5 seconds)
• Frequency: 50/60 Hz
• Minimum installation temperature: 0°C (recommended above)
• Minimum bending radius:Three-core cable: ≥ 12–15 × overall diameter (depending on design)

Applications

Power Utilities & Substations
Substation power transmission systems
Medium voltage grid expansion
Underground distribution networks
EPC turnkey power projects
Mining Industry

Mining environments require:

Mechanical protection against abrasion
Moisture and dust resistance
Stable continuous power supply

Typical use:

Armored MV power cable systems
Underground mining distribution cables
Oil & Gas / Refinery
Chemical exposure resistance
UV resistance for outdoor installation
Stable performance in high-temperature areas
Infrastructure & Metro Projects
Metro rail power supply
Tunnel cable systems
Urban underground cable networks
Large-scale infrastructure EPC projects

Construction Overview

• Conductor: Class 2 stranded copper/aluminum
• Conductor screen: Semiconducting layer
• Insulation screen: Semiconducting layer
• Insulation: XLPE compound
• Metallic screen: Copper wire screen (CWS)
• Outer sheath: PVC protective layer
• This layered structure ensures uniform electric field distribution and safe operation under medium voltage stress.

Compliance & Certifications 

Manufactured in accordance with:

• IEC 60228 (Conductor standard)
• IEC 60332 (Flame retardancy)
• ISO 9001 Quality Management System
• IEC 60502-2 (Medium voltage cable design compliance)

Available upon request:

• Factory test report
• Type test report
• Third-party inspection (SGS / BV)
• Material certificate (COC / COO)

Installation Conditions

• Suitable forUnderground installation,Direct burial systems,Cable trench installation,Duct systems
• Installation considerations: Minimum bending radius must be observed
• Suitable for wet and dry environments
• Recommended for fixed installation only

Why Choose This Medium Voltage Cable?

For engineering buyers and EPC contractors, key decision factors include reliability, installation safety, and lifecycle cost.

This cable provides:

Stable long-term operation in harsh environments
Reduced maintenance cost over lifecycle
Strong mechanical and electrical performance balance
Proven suitability for industrial and utility projects

FAQ

Q1: What is XLPE medium voltage cable used for?
It is used for power transmission in substations, industrial plants, and underground distribution networks.

Q2: Is CWS necessary in medium voltage cable?
Yes, copper wire screen ensures uniform electric field distribution and improves operational safety.

Q3: Can this cable be installed underground?
Yes, it is designed for underground, direct burial, and cable trench installation.

Q4: What is the service life of XLPE cable?
Typically 25–30 years under normal operating conditions.

Q5: What industries use 18/30kV power cable?
It is widely used in power utilities, mining, oil & gas, and infrastructure EPC projects.