For safety reasons, wind power plant towers must be fully and safely illuminated. In the past, fluorescent lamps with emergency light function were used for this purpose.
For safety reasons, wind power plant towers must be fully and safely illuminated. In the past, fluorescent lamps with emergency light function were used for this purpose. However, their relatively short maintenance intervals and short service life are a major disadvantage. Standard installation in the tower is also laborintensive and time-consuming. Wieland Electric’s provenpodis®®power bus system with the new high-powerpodis®LED lamps is a much more efficient solution. Installation, maintenance and operation are easier and safer, as well as being less costly and time-consuming.
Thepodis®installation solution for wind power plants consists of the uncut flat cable power bus and various function modules (e.g. For the trade press SPS/IPC/DRIVES 2010 November, 23– 25, 2010 Key word: LED lighting for the towers of wind power plants 2 Press Release: 2010-11-266 sockets and LEDs) for direct plug-in. A homogenous illumination of the tower is important. The light distribution is therefore specifically designed for the cylindrical form of the tower in order toensure optimum illumination of the tower stairwell without interfering, dazzling effects.
LEDs with a ten-times longer service life compared to fluorescent lights are used to illuminate the tower. They are not subject to maintenance intervals, and the LEDs immediately switch to full light output even at low temperatures. In the robustpodis®housings with degree of protection IP 65, the LEDs are suitable for use in harsh ambient conditions. The LEDs are designed for extreme ambient temperatures of -40°C to +70°C, and can be used in CCV (Cold Climate Version) and HCV (Hot Climate Version) temperature ranges. With their operating voltage of 24 V DC and their low power consumption of 5 W per LED, it is possible to implement a maintenance-friendly emergency lighting solution with a central supplyaccording to DIN EN60598-22 in an economically viable way. This central solution facilitates the necessary replacement of the buffer battery while saving time and costs. Even in towers with a height above 100 meters, voltage drops pose no problem thanks to the wide input voltage range of 15 to 30 VDC with full light output.
Reliable operation is ensured even in the event of an error. Thanks to the short-circuit and overload protection integrated into every single lamp, errors do not spread and are easily located. The compact LED lamps can be replaced without the use of tools and without switching off the rest of the tower lighting.
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