Prysmian Group has made a significant step in advancing cable technology to enable more efficient, reliable and eco-friendly power transmission over long distances

“The 525kV cable systems can be an A

fter completing one-year qualification testing in accordance

with international standards, the group has introduced two new 525kV extruded land cable systems, one qualified with P-Laser and one with XLPE insulation. These cable systems are designed at a higher voltage level and with large conductor cross-sections to provide optimal technical solutions for long distance high power transmission with minimised land use. P-Laser is claimed to be the first 100

per cent recyclable eco-friendly high-performance cable technology, utilising a ‘zero-gas’ process which reduces CO2

networks. The P-Laser qualified cable system employs a Prysmian in- house developed material, called HPTE (high performance thermoplastic elastomer) with proven enhanced characteristics, namely increased thermal performance, higher intrinsic reliability and greater productivity. The XLPE qualified cable system uses a

new insulation compound specific for HVDC application. Both technologies have also successfully passed type tests at 600kV and represent next generation solutions for land cable systems. “This new milestone is a significant

emissions by up to 30 per

cent. P-Laser is fully compatible with existing HVDC cables and accessories and has over 30,000km manufacturing experience in other types of power cable

step forward for power transmission systems and the development of innovative and sustainable cable solutions in the industry,” says Hakan Ozmen, EVP, projects business unit at Prysmian Group.

effective solution for the planned German HVDC Corridor projects, providing the TSOs (TenneT, 50Hertz, TransnetBW and Amprion) with two proven technologies able to connect the wind generation-rich regions of northern Germany to the major consumption areas in the south, reducing the required land usage and ensuring a lower environmental impact.” Prysmian Group is playing a key role

in the connection of German offshore wind farms to the mainland, having supplied and installed multiple turnkey HVDC and HVAC systems across the German waters, with a track record of 4,100km of HVDC submarine and land cables and more than 1,000 installed cable accessories. “Prysmian Group has a long-standing

experience in a wide range of applications, and has always been at the forefront of HVDC cable technology,” says Srinivas Siripurapu, EVP and chief R&D officer at Prysmian Group. “We are focusing our R&D efforts to go

extra steps to develop reliable materials and process technologies to address our customers’ needs in this area.”

Prysmian Group

Introducing Pola Power

TT Electronics has launched Pola Power, a diverse connector approved for use on rail and military vehicles that can also be qualified to suit other applications in the power distribution and green energy markets


his highly durable single pole power connector with bayonet coupling

offers a finger proof design (IP2X), quick disconnection, 500 mated cycles (minimum), and straight and 90° options, as well as 360° screening. In addition to successful salt spray

testing of 500 hours (black zinc nickel), Pola Power operates comfortably at


temperatures of -55°C to +150°C and vibrations of 5-500Hz (long endurance 30 hour test at 10g). Both EN45545-2 and RoHS compliant, Pola Power is sealed to IP67 and rated up to 1,000 Amp, meaning this connector offers a great deal of power in a very small form factor. “With Pola Power, TT has harnessed its extensive design capabilities to

customise standardised products and offer adaptable solutions,” said Leigh Chapman, product manager at TT Electronics. “This single contact connector also emphasises TT’s ability to adapt, meet and deliver on ever changing market requirements.”

TT Electronics 

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