Advanced cable manufacturer Helukabel has introduced a cost effective and lightweight aluminium power transmission cable to assist alternative power producers to plug into the country’s national power grid.
The cable is ideal for South African conditions and ticks all the boxes when it comes to reducing cost, simplifying transport requirements, ease of installation and even reducing the risk of theft that is associated with copper power transmission cables.
The new aluminium power cables are a small fraction of the cost of copper cables and offer similar performance characteristics and lifespan. Yet the cable is considerably lighter and as a result is far easier to transport and install. In certain instances the light weight of the cable may even reduce the cost of support mechanisms and cable trays.
Lightweight and flexible
According to Doug Gunnewegh, managing director of Helukabel South Africa, the cables also have a special finely stranded aluminium wire construction that gives them an added measure of flexibility and makes them easier to route in confined spaces.
He says the cables have specially formulated heat resistant insulation and are UV and oil resistant for installation in harsh environments. To meet international sustainable development and environmental requirements the cables are also manufactured from neutral materials and contain no harmful halogen (LSZH) substances.
“Our new cables are designed to be suitable for installation on wind turbine generators, photovoltaic systems, generators, combined heat / power plants, transformer stations, as well as a wide spectrum of standard applications where cost and ease of installation are a strong consideration,” says Gunnewegh.
Easy to install
No special equipment is required for installations. A range of aluminium cable lugs and compression connectors are available, as well as aluminium to copper components to join the two different materials where required.
The range of Heluwind WK Powerline Alu cables are available in 0,6/1 kV and 1,8/3 kV variants and are designed to fill a niche for small generation plants.
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