Sustainable solutions
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An important objective in the electricity sector is to utilize the cable network in a sustainable manner. This can be achieved by extending the life of aging paper cables where possible. The oil refill joint offers a perfect solution. New network sub stations are designed around switchgear for connection to polymeric cables. This requires the installation of transition joints to allow connection to existing PILC networks. In turn, this often results in disconnection from oil supplies essential to existing paper-insulated cables, thus making them susceptible to drying out and inevitable failure. Lovink Enertech has devised a special transition joint that continuously supplies oil to these cables thus preventing them from drying out. A special manifold, which includes a non-return valve, is then positioned over the opening and secured in place. This enables connection to an oil supply suitable for the cable concerned. Utilizing a silicone tube along with traditional couplers and pipe-work, oil can be supplied from a conveniently located reservoir allowing easy maintenance. A simple technique has been devised to remove a section of lead sheath without compromising the cores beneath. LoviSil® oil refill joint Oil refill joint > By means of a special manifold, a connection is made between the metallic sheath and an oil reservoir Where transitions from paper to polymeric cables are required on new construction, oil refill joints feed the paper cable to extend their life. • Extending cable network life Paper on polymer (3 core) Paper on polymer (3 core) 1 x lead 1 x lead 3 x lead Connection 1 x lead Connection 1 x lead Without inner joint Without inner joint Without inner joint M75 inner joint M85 inner joint 1 x lead 1 x lead 3 x lead Without inner joint Without inner joint Without inner joint M85 inner joint 1 x lead 1 x lead 1 x lead 3 x lead Without inner joint Without inner joint Without inner joint Without inner joint Attention: Dependent on the outer sheath diameter and selected cable module. The above sizes concern cables that fit into the joint. Different cables on request. 20 -±- A ROYAL LOVINK INDUSTRIES COMPANY