A Constant-Pressure Hydraulic PTO System for a Wave Energy Converter Based on a Hydraulic Transformer and Multi-Chamber Cylinder [PDF]
Energies, 2021 This paper presents a constant-pressure hydraulic PTO system that can convert stored pressure energy into electrical energy at a stable speed through hydraulic motors and generators.
Chenglong Li +6 more
doaj +2 more sources
Modeling, analysis and control of an inertial wave energy converter and hydraulic power take-off unit [PDF]
Scientific ReportsA wave energy converter (WEC) utilizing the inertial gyroscope coupled with a hydraulic power take-off (PTO) unit for energy transformation and application is investigated. The structure design of various components of WEC are introduced.
Han Jia +3 more
doaj +2 more sources
Analyzing the Near-Field Effects and the Power Production of an Array of Heaving Cylindrical WECs and OSWECs Using a Coupled Hydrodynamic-PTO Model [PDF]
Energies, 2018 The Power Take-Off (PTO) system is the key component of a Wave Energy Converter (WEC) that distinguishes it from a simple floating body because the uptake of the energy by the PTO system modifies the wave field surrounding the WEC.
Philip Balitsky +4 more
doaj +4 more sources
Design, Construction and Testing of a Hydraulic Power Take-Off for Wave Energy Converters [PDF]
Energies, 2012 This paper presents the construction, mathematical modeling and testing of a scaled universal hydraulic Power Take-Off (PTO) device for Wave Energy Converters (WECs). A specific prototype and test bench were designed and built to carry out the tests. The
Pierpaolo Ricci +5 more
doaj +11 more sources
Journal of Marine Science and Engineering, 2022 Hybrid systems that integrate wave energy converters (WECs) with floating offshore wind turbines (FOWTs) are considered to be key equipment to deeply exploit marine renewable energy. The power take-off (PTO) system is an important component of the hybrid
Yuanzhi Wang +3 more
doaj +2 more sources
Modeling Innovative Power Take-Off Based on Double-Acting Hydraulic Cylinders Array for Wave Energy Conversion [PDF]
Energies, 2015 One of the key systems of a Wave Energy Converter for extraction of wave energy is the Power Take-Off (PTO) device. This device transforms the mechanical energy of a moving body into electrical energy.
Juan Carlos Antolín-Urbaneja +5 more
doaj +8 more sources
Properties Analysis of Hydraulic PTO Output Fluctuation Regulating Based on Accumulator
ActuatorsHydraulic power take-off (PTO) is increasingly favored as energy regulation and transmission system in wave energy converters (WEC), significantly smoothing the inherent randomness and fluctuation of wave energy. This paper designed a novel hydraulic PTO
Han Jia +3 more
doaj +2 more sources
Experimental Performance Evaluation of a Hydraulic PTO System for Centipede Wave Energy Converter [PDF]
International Journal of Coastal and Offshore Engineering, 2020 In the past decade, ocean and marine waves like other renewable energy sources attracted attention due to its high energy density. The most important part of a wave energy converter (WEC) is power take-off (PTO) system.
Mozhgan Aghanezhad +2 more
doaj +2 more sources
Hydraulic Experiments on a Small-Scale Wave Energy Converter with an Unconventional Dummy Pto [PDF]
Energies, 2019 This paper investigates on a Wave Energy Converter (WEC) named Energy & Protection, 4th generation (EP4). The WEC couples the energy harvesting function with the purpose of protecting the coast from erosion.
Luca Martinelli +3 more
doaj +2 more sources
Implementation and optimization of hydraulic wave energy generation system. [PDF]
PLoS ONEWave energy is one of the primary sources of marine energy, representing a readily available and inexhaustible form of renewable clean energy. In recent years, wave energy generation has garnered increasing attention from researchers.
Zhigang Liu +4 more
doaj +2 more sources