The global energy consumption has been on the rise since the last industrial revolution and continues to be. So far the demand could be satisfied by a mixture of conventional and renewable energies. With the global effort to eliminate conventional energies to stop the anthropological climate change, the demand for reliable and predictable renewable energies is growing. Under these circumstances, more attention is drawn towards the development of non-intermittent ocean energy systems. Apart from waves, thermal and salinity gradients, currents are an abundant and reliable ocean energy source. Inspired by state-of-the-art technology, a unique system for current energy, the Current Kite, is presented in the following paper. This tethered undersea kite (TUSK) consist of a wing to which a turbine is attached. The wing drags the turbine through the water in a certain trajectory, sweeping a large area at a relative speed that is several times the actual speed of the underwater current. In the following paper we present the general setup and design of our first and second prototype. The first prototype was build as a prove of concept. It was equipped with active steering and several on board sensors. With the second prototype the aim was to build a more sophisticated system, which would make the active steering redundant and use more efficient, circular flight paths. A wing which would adjust itself in the current and follow the predefined circular path, was designed using numerical simulations. To achieve this circular flight movement without twisting the electrical cable, a swivel and a stress reducer were designed and built to connect the TUSK as well as transfer electrical power to land. In addition the tracking-system was redesigned, communicating by modulation over the power line. This provides a fully autonomous ocean current power plant, which communicates in real time data and has a promising outlook in efficiency, regarding to the state of art. Due to Covid-19 regulations it was not possible to test the prototype. Therefore the paper mainly focuses on the design and construction process, up to the production of the TUSK.

自上一次工业革命以来，全球能源消耗一直在上升，而且还在继续上升。到目前为止，需求可以通过传统能源和可再生能源的混合物来满足。随着全球努力消除传统能源以阻止人类学气候变化，对可靠和可预测的可再生能源的需求正在增长。在这种情况下，非间歇性海洋能源系统的发展受到更多关注。除了波浪、热和盐度梯度之外，洋流是一种丰富而可靠的海洋能源。受最先进技术的启发，以下论文介绍了一种独特的电流能量系统，即电流风筝。这种系留式海底风筝 (TUSK) 由连接涡轮机的机翼组成。机翼以一定的轨迹拖动涡轮在水中穿过，以几倍于水下水流实际速度的相对速度扫过大片区域。在下面的论文中，我们介绍了我们的第一个和第二个原型的一般设置和设计。第一个原型是作为概念证明而构建的。它配备了主动转向和几个车载传感器。第二个原型的目标是建立一个更复杂的系统，这将使主动转向变得多余，并使用更有效的圆形飞行路径。使用数值模拟设计了一个可以在电流中自我调整并遵循预定义圆形路径的机翼。为了在不扭曲电缆的情况下实现这种圆形飞行运动，设计并制造了一个旋转接头和一个减压器，用于连接 TUSK 并将电力传输到陆地。此外，跟踪系统经过重新设计，通过电力线调制进行通信。这提供了一个完全自主的洋流发电厂，它可以实时传输数据，并且在效率方面具有前景，就现有技术而言。由于 Covid-19 规定，无法测试原型。因此，本文主要关注设计和施工过程，直至 TUSK 的生产。关于艺术状态。由于 Covid-19 规定，无法测试原型。因此，本文主要关注设计和施工过程，直至 TUSK 的生产。关于艺术状态。由于 Covid-19 规定，无法测试原型。因此，本文主要关注设计和施工过程，直至 TUSK 的生产。