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Tidal Current Power at Voith Siemens Hydro Power Generation

机译：福伊特西门子水力发电公司的潮流电源

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The yet untapped energy resource of tidal currents is a fascinating engineeringrnchallenge due to the hostile marine environment. Up to now there are several non-gridrnconnected test power plants in operation, but so far there is no proven concept for largernscale tidal energy production in the market. Voith Siemens Hydro Power Generationrnintents to become leader in this market segment by developing a reliable and robustrndesign of a turbine and a support structure.rnIn the early stage of such a development robustness and reliability are the mostrnimportant criteria for a possible customer to invest in such a new technology. Thernperceived technical risk drives their expectations on returns. As a matter of fact thernharsh marine environment is likely to be the main challenge for power plants which arernoperating fully submerged under the sea water level. Lessons learned from offshorernwind farms have shown that periods of inaccessibility of several weeks are likely tornoccur. Besides, all marine operation such as installation, maintenance andrndecommissioning are costly – especially nowadays, where the young Ocean Energyrnindustry has to compete on scarce marine equipment with the oil and gas industry whichrnis well known for its deep pockets.rnFor tidal current power maintenance costs presumably exceed those of wind powerrnconsiderably. With the clear target in mind to maximize technical reliability and herebyrnelectricity production costs Voith Siemens Hydro has analyzed and weighted a plenitudernof different technical solutions for drive train concepts and support structures in a veryrnsystematic way. This approach resulted in a minimum maintenance drive-train conceptrnwhich is revolutionary in the industry: An oil-free system without gearbox, withoutrndynamic seals, without pitch system, without yaw mechanism and without peripheralsrnsuch as bilge pumps or hydraulics.
机译：由于恶劣的海洋环境，尚未开发的潮流能源是一项引人入胜的工程挑战。到目前为止，有几家非电网连接的试验发电厂正在运行，但到目前为止，市场上尚无行之有效的大规模潮汐能生产概念。福伊特西门子水力发电公司希望通过开发可靠且坚固的涡轮机和支撑结构来成为该市场领域的领导者。在这种开发的初期，坚固性和可靠性是可能客户投资于此类产品的最重要标准。新技术。被感知的技术风险推动了他们对回报的期望。实际上，严酷的海洋环境可能是发电厂的主要挑战，发电厂完全淹没在海水中。从海上风电场中吸取的教训表明，几周的无法进入时期很可能会发生。此外，所有海上作业（例如安装，维护和退役）的成本都很高，尤其是在如今，年轻的海洋能源工业公司必须与油气行业竞争稀缺的海上设备，而石油和天然气行业以其雄厚的实力而著称。rn对于潮流电力维护成本的推测远远超过风力发电考虑到明确的目标，即最大限度地提高技术可靠性和由此产生的电力生产成本，福伊特西门子水电已经以非常系统的方式分析并权衡了用于传动系统概念和支撑结构的多种不同技术解决方案。这种方法产生了一种在行业中具有革命性意义的最低维护传动系统概念：无油系统，没有齿轮箱，没有动态密封，没有变桨系统，没有偏航机构，没有外围设备，例如舱底泵或液压系统。

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