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Wire & Cable ASIA – January/February 2009

29

Search and develop – not to get burned

For the purposes of fire prevention

and to ensure the safety of people

and assets, a number of laws,

decrees and regulations have been

introduced, to which engineers,

manufacturers, technicians and

users must comply.

Electrical cables are among the

structural elements that need to

satisfy fire resistance requirements.

In particular, their behaviour

has been analysed under fire

conditions and reference standards

have been established through

the development of international

norms. These standards specify the relevant test apparatus to be used to

simulate fire conditions in order to test and analyse reactions of the electrical

cables as if they were in their working condition. This apparatus allows cable

manufacturers to test products and ensure they comply with international

standards where necessary.

In particular, these tests focus on flame spread (reference standard: IEC

60332-1-1) fire spread (IEC 60332-3-10), emission of toxic smoke and gases

(reference standards: IEC 60754-1 / IEC 60754-2 / IEC 61034-1) and fire

resistance (IEC 60331-11).

In recent years many companies have purchased test equipment to test their

products, and therefore to guarantee the necessary requirements and to sell in

specific sectors, and as part of a research and development strategy. SIF MDC

produces the complete range of test equipment, not only respecting the standard

requirements, but also adding or customising any piece of equipment to further

improve its performance or ease of use.

SIF MDC – Italy

Fax

: +39 035 4559358

Email

:

info@sifmdc.com

Website

:

www.sifmdc.com

SIF MDC

m

m

BritNed contract for ABB

ABB is providing the cables for a high-voltage connection between the power

grids of the United Kingdom and the Netherlands. The company began

manufacturing the high voltage direct current (HVDC) cables in August 2008

and expects to complete the needed 500km of cable in April 2010.

The 260km BritNed link will allow energy trading between the two countries

and increase the reliability of electricity supplies to both. “BritNed is another

step towards an integrated electricity network for Europe,” said Peter Leupp,

head of ABB’s Power Systems division.

The cables will provide a link between the Isle of Grain in Kent and Maasvlakte

in the Netherlands. Laying of the land-based sections was scheduled for late

2008, while the marine cable installation is expected to begin in April 2009.

The 119mm diameter cable sea cables will weigh approximately 44kg per

metre and will be installed by cable-laying vessels. The system will have a

total capacity of 1,000 megawatts (MW) and will be in operation by 2011.

HVDC technology is used to transport electrical power over long distances

with low losses using underground or submarine cables. ABB pioneered the

technology in the 1950s, when the company built the world’s first commercial

HVDC transmission link in Sweden and has since supplied more than half of

the world’s HVDC projects, providing an installed transmission capacity of

more than 45,000 MW.

ABB’s HVDC projects include the world’s longest underground power link (in

Australia) and the world’s longest underwater connection, the NorNed project

between Norway and the Netherlands.

ABB Ltd – Switzerland

Website

:

www.abb.com