Abstract
A buoy-rope-drum wave power system is a new type of floating oscillating buoy wave power device, which absorbs energy from waves by buoy-rope-drum device. Based on the linear deep water wave theory and pure resistive load, with cylinder buoy as an example, the research sets up the theoretical model of direct-drive buoy-rope-drum wave power efficiency and analyzes the influence of the mass and load of the system on its generating efficiency. It points out the two main categories of the efficient buoy-rope-drum wave power system: light thin type and resonance type, and optimal designs of their major parameters are carried out on the basis of the above theoretical model of generating efficiency.
Highlights
As one of renewable clean energies, ocean wave energy is receiving more and more emphasis due to the double crisis of fossil energy and environment pollution [1,2,3]
The study of how to develop new type of wave power technology to enhance reliability and reduce the generating cost has become the focus of the wave power research [6–8]
A new type of floating wave power device is discussed in this paper based on the buoy-rope-drum system, which is simple in structure and costs less in laying and maintaining compared with the old oscillating buoy wave power device
Summary
As one of renewable clean energies, ocean wave energy is receiving more and more emphasis due to the double crisis of fossil energy and environment pollution [1,2,3]. The study of how to develop new type of wave power technology to enhance reliability and reduce the generating cost has become the focus of the wave power research [6–8]. A new type of floating wave power device is discussed in this paper based on the buoy-rope-drum system, which is simple in structure and costs less in laying and maintaining compared with the old oscillating buoy wave power device. The paper first introduces the working principles of buoyrope-drum technology and studies the theoretical model and influential factors of the generating efficiency of direct-drive buoy-rope-drum wave power device on the basis of linear deep water theory and pure resistive load
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