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RADAR MITIGATION


RELEASING BLOCKED WINDFARM


QinetiQ has been helping windfarms and radar systems co-exist for many years using its extensive radio frequency modelling capabilities to show developers and radar operators whether or not issues are likely to exist with planned developments.


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DEVELOPMENTS IN EUROPE


As an example, approximately 6 gigawatts of planned windfarms are currently blocked in France due to concerns raised by the meteorological service Météo-France and the Military. In an attempt to break the deadlock, the French Government passed a law in November 2014 allowing private contractors to conduct independent impact assessments on its behalf.


If conflicts are predicted then QinetiQ’s Radar Impact Assessment team is particularly skilled in identifying those issues and suggesting potential mitigation options. Early assessment is crucial to save developers and stakeholders potentially many thousands of pounds in wasted development costs.


PROBLEMS ENCOUNTERED Large structures such as wind turbines can cause problems for radar and telecommunications systems. Typical problems include echoes from wind turbines appearing on radar displays, data interference and signal blockage.


Objections from radar or telecommunication owners can block the progress of windfarm developments and result in developers and stakeholders losing time and money on costly planning inquiries.


If the contractor can prove the accuracy of its predictions, it receives validation from the Government and its recommendations can be legally recognised in the consideration of planning applications.


RESEARCH AND DEVELOPMENT ORGANISATION


As a research and development organisation QinetiQ has a long history developing techniques for use in military radar systems for the MoD. The organisation is now applying this expertise to commercial application areas. The world's first stealthy windfarm is being built in France by EDF EN and Vestas using their technology under licence.


The stealth wind turbine technology is optimised to reduce interference of wind turbines with meteorological radars.


DEVELOPING TECHNIQUES Over the past two decades, the company has developed advanced processing techniques to model the influence of the environment on radar and telecommunication systems and assess their performance.


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www.windenergynetwork.co.uk


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