GPS Synchronization and EMC of Harmonic and Transient Measurement Equipment in Offshore Wind Farms

Lukasz Hubert Kocewiak, Iván Arana Aristi, Jesper Hjerrild, Troels Sørensen, Claus Leth Bak, Joachim Holbøll

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1 Citationer (Scopus)


The challenges of harmonic and transient measurements in wind farms are described in this paper. It is shown that appropriate measurements of harmonic and transient phenomena in offshore wind farms are essential for data analysis and model creation/validation of components or subsystems. The GPS synchronization, electromagnetic compatibility (EMC) and interference (EMI) challenges during the development, construction, testing and installation of a measurement system for multi-point, high-speed and long-term data logging is described in this paper. The presented measurement system was tested in a rough offshore environment at Avedøre Holme and Gunfleet Sands offshore wind farms.

The paper will describe the application of GPS technology in synchronised measurements carried out at Avedøre Holme and Gunfleet Sands wind farms. Different aspects of software development and hardware configuration in order to optimise measurement systems reliability during offshore measurements will be presented. Also real-life examples of results from both offshore measurement campaigns will be described. Some limitations, improvements and results of the measurement system will be explained from both harmonic and transient measurements. The paper clearly presents possible electromagnetic interference in wind turbines that can affect measurements. Also the application of appropriate mitigation techniques such as data acquisition board configuration, coaxial cable leading, as well as usage of EMC-proof boxes for high frequency measurements is described.
TidsskriftEnergy Procedia
Sider (fra-til)212-228
Antal sider17
StatusUdgivet - 2012
Begivenhed9th Deep Sea Offshore Wind R&D Seminar - Trondheim, Norge
Varighed: 19 jan. 201220 jan. 2012
Konferencens nummer: 9


Konference9th Deep Sea Offshore Wind R&D Seminar

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