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
Shuting Huang +2 more
exaly +5 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
Zhongcai Pei +2 more
exaly +5 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.
Zhongcai Pei +2 more
exaly +4 more sources
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 +3 more sources
Energies, 2022 Hydraulic power-take-off (PTO) systems which utilize high-pressure oil circuits to transmit energy are widely applied in wave energy generation. The properties of hydraulic oil are significantly influenced by environmental conditions, and its dynamic ...
Yubo Niu, Xuhui Yue, Yang Zheng
exaly +4 more sources
Wave-to-wire modelling and hydraulic PTO optimization of a dense point absorber WEC array [PDF]
Renewable EnergyWe investigate the hydrodynamic interactions and power extraction efficiency of a dense array of Point Absorber (PA) Wave Energy Converters (WECs) clustered around the fixed pillar of a wind turbine –the Ocean Grazer device– with a standard hydraulic Power Take-Off (PTO) system. Using potential flow theory, a detailed wave-to-wire model is developed in
Andreas T Asiikkis +2 more
exaly +4 more sources
Control of Wave Energy Converters with Discrete Displacement Hydraulic Power Take-Off Units
Journal of Marine Science and Engineering, 2018 The control of ocean Wave Energy Converters (WECs) impacts the harvested energy. Several control methods have been developed over the past few decades to maximize the harvested energy.
Shangyan Zou +2 more
exaly +5 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 +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
CARLOS Angulo, Pierpaolo Ricci
exaly +6 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 +3 more sources