
The blades are designed to be part of the latest turbine generation, the Siemens 6.0-154 turbine, which have a six megawatt capacity. The wind turbine can generate about 23 million kWh annually at a typical offshore site with 8.5 m/s mean wind speed, an energy yield sufficient enough to power 5,500 German households with. . If the blade had been made with traditional methods of manufacture, the blade would have been ten to 20% heavier. The blade could have been even lighter if it was made using carbon fibre, but Siemens’ designers decided against. . A new molten salt reactor concept developed by US start-up Transatomic could change the face of nuclear power. . A skyscraper built to harness wind and solar power could offset an entire day’s energy consumption. Follow Heidi Vella on Google+ [pdf]
‘quantum blade’ by produced by siemens is the world’s longest wind turbine blade all images © siemens AG, munich/berlin
The diameter of the blade is 154 metres and it has a sweep of 18,600 square metres – the equivalent of nearly two and half football fields. The blades are designed to be part of the latest turbine generation, the Siemens 6.0-154 turbine, which have a six megawatt capacity.
Ultra-long wind turbine blades are a product of game-changing talent, teamwork and technology. Alongside our suppliers and customers, LM Wind Power is living our vision – Together, we capture the wind to power a cleaner world.
In July 2016 the world's longest blade, at 88.4 meters, completed its first journey – perhaps as the largest cargo ever transported on Danish roads. SHARE ON YOUTUBE
Siemens has already seen 6-MW turbines installed at the UK's Gunfleet Sands wind farm, albeit with 60-m (197-ft) blades. Thanks to a process Siemens has branded "QuantumBlade," it claims the B75s weigh four fifths of conventional blades.
Remarkably, the 75-meter-long (246-ft) blades consist of a single component made from epoxy resin and balsa reinforced with glass fiber, cast in a gigantic mold using a process Siemens has cunningly named IntegralBlade. Initially, three B75 blades will be put to use in a prototype 6-MW offshore turbine at Denmark's national test center at Østerild.
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