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Press Release11 March 2015Copenhagen
New AC Grid Access Solution from Siemens: Lighter, faster, cheaper
The substation of the grid access represents
an important lever for reaching Siemens’ goal of reducing the costs of wind
power generated offshore to below 10 euro cts/kWh by 2020: Construction,
transport, installation, operation and maintenance of the platform account for
a high portion of the total grid access costs. These costs will be reduced by
up to 40 percent with the new solution, which is one third smaller in size and
weight compared to a conventional AC platform. This innovation is small and
light enough to be mounted together with a turbine on the same foundation. This
eliminates the need for a special heavy lift vessel and saves additional costs.
Furthermore, installation time will be shortened by around 20 percent, also due
to better availability of standard service operation vessels.
Focusing on the core electrical equipment
and removing a number of optional ancillary systems made this space and weight
reduction possible, which also results in a reduced maintenance regime – no
fans and diesel generators are necessary. Moreover, the use of ester liquids instead
of mineral oil makes this solution extremely environmentally friendly. Esters liquids
have a low flammability and are biodegradable which is very important for
operations at sea.
In addition, Siemens offers a wide choice
and flexibility to customers, as it has also optimized its conventional
platform solution based upon knowledge from more than ten grid connections with
AC technology.
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Siemens Energy is one of the world’s leading energy technology companies. The company works with its customers and partners on energy systems for the future, thus supporting the transition to a more sustainable world. With its portfolio of products, solutions and services, Siemens Energy covers almost the entire energy value chain – from power generation and transmission to storage. The portfolio includes conventional and renewable energy technology, such as gas and steam turbines, hybrid power plants operated with hydrogen, and power generators and transformers. More than 50 percent of the portfolio has already been decarbonized. A majority stake in the listed company Siemens Gamesa Renewable Energy (SGRE) makes Siemens Energy a global market leader for renewable energies. An estimated one-sixth of the electricity generated worldwide is based on technologies from Siemens Energy. Siemens Energy employs more than 90,000 people worldwide in more than 90 countries and generated revenue of around €27.5 billion in fiscal year 2020.