MVCC
Medium Voltage Covered Conductor (MVCC) is designed for medium-voltage applications, typically from 11 kV to 33 kV. Its cross-linked polyethylene covering helps protect the conductor from sunlight, moisture and other environmental sources of damage while supporting safe and efficient overhead power distribution.
Key features
Engineered characteristics
- Enhanced safety through a protective insulation layer
- Protection against mechanical damage, corrosion, rain, UV radiation and temperature fluctuations
- Compact design for high-density installations
- Reduced risk of direct contact faults and short circuits
- Protective construction intended to reduce maintenance requirements
Applications
Where it is used
- Overhead power distribution lines
- Urban and suburban areas
- High environmental stress areas
- Areas with vegetation
- Coastal and harsh environments
- High-altitude installations
- Industrial facilities
- Renewable energy projects, including solar and wind farms
- Railway electrification
Construction
What it's built from
- Conductor
- Longitudinally watertight stranded all aluminium alloy (AAAC), AL-7, AL-59, AL-59 Aluminium Clad Steel (ACS), or ACSR.
- Shielding
- Semi-conducting cross-linked polymer.
- Inner covering
- Low-density track-resistant cross-linked polyethylene without carbon black.
- Outer covering
- High-density UV- and track-resistant cross-linked polyethylene.
Technical specifications
Sizes & ratings
MVCC — nominal layer thickness
| Cable attribute | UOM | 11 kV | 22 kV | 33 kV |
|---|---|---|---|---|
| Aluminium Alloy Wire | Sq.mm | As required | As required | As required |
| Longitudinal Water Blocking Layer | mm | As required | As required | As required |
| Semi-Conductive Layer | mm | 0.3 | 0.3 | 0.4 |
| Inner XLPE Insulation Without Carbon Black | mm | 1.2 | 1.32 | 2.43 |
| UV & Track-Resistant XLPE Outer Insulation | mm | 1.1 | 1.1 | 1.2 |
MVCC — AAAC / AL-7 / AL-59 constructions
| Description | Construction | Type |
|---|---|---|
| 50 | 7 strands | AAAC / AL-7 / AL-59 |
| 55 | 7 strands | AAAC / AL-7 / AL-59 |
| 70 | 7 strands | AAAC / AL-7 / AL-59 |
| 80 | 7 strands | AAAC / AL-7 / AL-59 |
| 90 | 7 strands | AAAC / AL-7 / AL-59 |
| 100 | 7 strands | AAAC / AL-7 / AL-59 |
| 120 | 19 strands | AAAC / AL-7 / AL-59 |
| 125 | 19 strands | AAAC / AL-7 / AL-59 |
| 148 | 19 strands | AAAC / AL-7 / AL-59 |
| 159 | 19 strands | AAAC / AL-7 / AL-59 |
| 160 | 19 strands | AAAC / AL-7 / AL-59 |
| 232 | 19 strands | AAAC / AL-7 / AL-59 |
| 241 | 19 strands | AAAC / AL-7 / AL-59 |
MVCC — AL-59 ACS constructions
| Description | ACS strands | AL-59 strands | Type |
|---|---|---|---|
| 31.6 | 1 | 6 | AL-59 ACS |
| 52.88 | 1 | 6 | AL-59 ACS |
| 78.82 | 1 | 6 | AL-59 ACS |
| 104.98 | 1 | 6 | AL-59 ACS |
| 120 | 7 | 26 | AL-59 ACS |
| 160 | 7 | 30 | AL-59 ACS |
| 241 | 7 | 30 | AL-59 ACS |
Standards
Referenced specifications
- IEC 61089
- IS 398-2
- BS EN 50182 / 50397
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