Dedicated experts in offshore engineering WINDPOWER 2/2 Horns Reef - offshore wind farm release signals for the Argonite fire fighting system. CCTV system There are actually two separate CCTV systems in the wind farm. One system is a traditional coax based system with enhanced control software. This software allows for motion detection and makes it possible to watch and log the activity on the platform from a PC station located onshore. The other system is IP based and contains web based video servers. This makes it possible to monitor the activities through a standard web browser from any PC on the network. Line of sight communication system The backup communication system between transformer platform and shore is a digital microwave radio link system. The system consists of two separate radio links or hops and has a capacity of 36 Mb/s. The first hop is from the transformer platform to the city of Blåvand on the Danish coast. The second hop is from Blåvand to Esbjerg Power Station where interface point to the onshore facility is located. The primary communication line is the Power/Fibre sea cable from the platform to the transformer station onshore. Windmill VHF communication system The windmill VHF communication system comprises the safety or emergency communication system for each wind turbine as well as the transformer platform. A VHF radio network is established with VHF units on each turbine and a repeater unit on the transformer platform. VHF communication is possible between the turbines and the platform as well as the turbines and the onshore facility via the repeater unit on the transformer platform. Weather Station The weather station consists of a central control unit which is connected to the platform data network and a variety of sensors connected to the central control unit including; cloud height, wave length, dew point, temperature, wind direction and wind speed sensors. Weather data is viewed onshore via the data network. Semco Maritime www.semcomaritime.com semco@semcomaritime.com November 2014 Work with us Dedicated to the energy sector, Semco Maritime is an international contracting and engineering company. For more than 30 years we have been facilitating design, fabrication, service and maintenance of our customers’ assets, providing comprehensive project management across all phases of energy projects. From turnkey engineering solutions to operation support and delivery of components, systems and solutions – we make sure our customers and partners in the energy sector experience safe, cost-efficient operations. Semco Maritime is an international company with 2000 employees and branches in Denmark, Norway, UK, UAE, Singapore, Vietnam, Australia, Central America and USA. For further information please see www.semcomaritime.com 2
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