Master Thesis - Implementation of online fault location Overall project description It is becoming more common to place large offshore wind farms further and further away from the grid connection point. This is partly due to longer distances offshore, but also often due to longer distances onshore. When wind farms are placed further away from the grid connection point, the cables become much longer and more vulnerable for faults. Also, when long single phase onshore cables are used, it becomes more difficult to locate faults, occurring some years after the cables have been put into operation. A recent PhD study has shown a new improved online method for locating faults on cables. This study, "Online Location of Faults on AC Cables in Underground Transmission Systems”, Christian Flytkjær Jensen, 2013, has also made a verification of the method by measurements on an underground cable for the Anholt Offshore Wind Farm. Although this method has been analysed and tested, a comprehensive review of the method is needed, as well as a simulation test on a DONG Energy export cable wind farm connection. To ensure implementation, a thorough analysis of theoretical and practical issues related to implementation, such as GPS accuracy testing and testing on equipment availability for placement both offshore and onshore is required. Detailed project description The main goal of the project is to develop a practical implementation for an online fault location on export cables for offshore wind farms. The project is expected to: review constrains and available information review the online fault location method test the method on a full export cable system combining onshore and offshore cables with only a transition joint analyse the sensitivity and accuracy of commercially available equipment set up a recommendation for a full practical implementation of a fault location system on a long export cable system for an offshore wind farm. Category: Cable systems Project type: Master of science thesis project Number of students: One or two Department: HV Cables Contact us Please do not hesitate to contact [email protected] if you have further questions. We look forward to receiving your application as electronic files by 15 June 2015. Søg Tip en ven Print DONG Energy is one of the leading energy groups in Northern Europe. Our business is based on procuring, producing, distributing and trading in energy and related products in Northern Europe. DONG Energy has 7,000 employees and is headquartered in Denmark. The Group generated DKK 67 billion (EUR 9.0 billion) in revenue in 2012. For further information, see www.dongenergy.com.
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