Clean Power Professionals Group
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Greenhouse gas SF6 as a climate hazard in wind turbines
The concept of decarbonization has dominated media coverage in recent years. We are slowly forgetting that this is part of a wider project that limits the emission of all greenhouse gases. Although CO2 emissions are actually dominant, this gas has a GWP (Global Warming Potential) = 1. In the article attached below, the authors refer to the scope of application of artificially produced SF6 insulation gas. It is an excellent insulating medium, which is biologically neutral in a stable state and has unique insulating properties. However, when an arc occurs, its decomposition products are extremely toxic. In addition, a very important issue is the topic raised by the author of the publication, which I will supplement with a simplified estimate: for each turbine in the ring system, there are on average three distribution bays with SF6 insulated. Each distribution bay contains approximately 0.2 kg of SF6 gas. So what is the CO2 equivalent in the system of 100 wind turbines?
Well, it is 100 x 3 x 0.2 kg x 22,800 (GWP SF6) = 1,368,000 kg CO2.
Greenhouse gas SF6 as a climate hazard in wind turbines
Wind farms are to be expanded more quickly. But the systems contain a substance that contributes to the greenhouse effect. Although this could be avoided, the EU wants to allow long transition periods. Sulfur hexafluoride has fascinating properties. Above
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