Medium voltage covered conductor (upto 33KV) Supplier

Medium Voltage (MV) Covered Conductors are specially engineered overhead conductors used for distribution networks operating at voltages up to 33kV. These conductors are designed with a protective insulating covering to enhance reliability, minimize faults, improve safety, and allow reduced clearances in overhead power distribution lines. They offer improved performance over bare conductors while maintaining economical and practical installation benefits.

Key Features

UV-Resistant Insulation: Special cross-linked polyethylene (XLPE) or HDPE insulation provides high resistance to sunlight, ozone, and environmental degradation.
Enhanced Safety: Reduces the risk of phase-to-phase and phase-to-ground contact, significantly lowering outages and accidents.
Improved Reliability: Minimizes faults due to tree contacts, wildlife interference, and environmental hazards.
Higher Current-Carrying Capacity: Conductor designed for efficient thermal performance and lower power losses.
Weather & Stress Withstanding: Suitable for harsh outdoor conditions, such as stormy, coastal, desert, or industrial environments.
Long Service Life: Superior insulation and corrosion resistance ensure long-term performance with reduced maintenance.

Technical Specifications

Voltage Grade: Up to 33kV

Conductor Material:

Hard-drawn Aluminium
Aluminium Alloy (AAAC)
Aluminium Conductor Steel Reinforced (ACSR)

Insulation:

XLPE (Cross Linked Polyethylene)
HDPE (High Density Polyethylene)
Insulation Thickness: As per IEC / IS standards for 11kV, 22kV, and 33kV class
Temperature Rating:
Normal Operation: Up to 90°C
Short Circuit: Up to 250°C

Applicable Standards:

IS 398
IEC 60502-1
REC/Utility specifications

Construction Type:

Single-core conductor with UV-resistant covering
Semi-conductive screening (for enhanced radial protection)

Advantages

Reduced Line Faults: Effective against accidental contacts, vegetation proximity, animals, and bird faults.
Higher Reliability in Distribution Networks: Ideal for urban, forest, and storm-prone regions.
Lower Maintenance Cost: Eliminates frequent outages and manual clearing of vegetation.
Improved Clearance: Allows reduced phase-to-phase and ground clearance, enabling compact network routing.
Enhanced Public Safety: Covered design prevents direct conductor contact.
Better Power Quality: Lower chances of transient faults and interruptions.

Applications:

Overhead distribution lines up to 33kV
Urban, semi-urban & rural electricity networks
Forested and wildlife-sensitive areas
Industrial power distribution
Hazardous, coastal & windy zones
Feeder line upgrades from bare conductors
Replacement of ACSR/AAAC conductors for higher reliability

Sizes Available:

ACSR / AAAC / Aluminium

16 sq.mm to 300 sq.mm (depending on voltage class)
Insulation thickness varies as per 11kV / 22kV / 33kV standards

Medium voltage covered conductor (upto 33KV)