Discussion of Wind Turbine Performance Based on SCADA Data and Multiple Test Case Analysis
Energies, 2022 This work is devoted to the formulation of innovative SCADA-based methods for wind turbine performance analysis and interpretation. The work is organized as an academia–industry collaboration: three test cases are analyzed, two with hydraulic pitch ...
Davide Astolfi +3 more
doaj +1 more source
Energies, 2022 Based on the energy storage type of hydraulic wind turbines (HWTs) and in view of the unit frequency drop problem under high wind power proportion conditions, this paper proposes a method of primary frequency control under maximum power point tracking ...
Lijuan Chen +6 more
doaj +1 more source
Feasibility studies of a converter-free grid-connected offshore hydrostatic wind turbine [PDF]
, 2020 Owing to the increasing penetration of renewable power generation, the modern power system faces great challenges in frequency regulations and reduced system inertia.
Lin, Shuyue, Tong, Xin, Zhao, Xiaowei
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Failure mode identification and end of life scenarios of offshore wind turbines: a review [PDF]
, 2015 In 2007, the EU established challenging goals for all Member States with the aim of obtaining 20% of their energy consumption from renewables, and offshore wind is expected to be among the renewable energy sources contributing highly towards achieving ...
Kolios, Athanasios +1 more
core +5 more sources
Reliability of electrical and hydraulic pitch systems in wind turbines based on field-data analysis
Energy Reports, 2023 The pitch system is notably one of the critical subsystems of a wind turbine, supporting its effective control towards maximising wind capture and at the same time protecting its integrity in cases of excessive loads.
Julia Walgern +3 more
doaj +1 more source
On the Evaluation of Mesh Resolution for Large-Eddy Simulation of Internal Flows Using Openfoam
Fluids, 2021 The central aim of this paper is to use OpenFOAM for the assessment of mesh resolution requirements for large-eddy simulation (LES) of flows similar to the ones which occur inside the draft-tube of hydraulic turbines at off-design operating conditions ...
Zahra Seifollahi Moghadam +2 more
doaj +1 more source
Trade-off analysis and design of a Hydraulic Energy Scavenger [PDF]
, 2012 In the last years there has been a growing interest in intelligent, autonomous devices for household applications. In the near future this technology will be part of our society; sensing and actuating will be integrated in the environment of our houses ...
Boero, Diego +4 more
core +2 more sources
Scenarios for refurbishment of a hydropower plant equipped with Francis turbines
Renewable Energy and Environmental Sustainability, 2016 The energy market imposes new requirements in hydraulic turbines operation. Usually, the old hydraulic turbines are not designed to meet these new requirements.
Muntean Sebastian +5 more
doaj +1 more source
Numerical Simulation of a Kaplan Prototype during Speed-No-Load Operation
Energies, 2022 Hydropower plants often work in off-design conditions to regulate the power grid frequency. Frequent transient operation of hydraulic turbines leads to premature failure, fatigue and damage to the turbine components.
Raluca Gabriela Iovănel +2 more
doaj +1 more source
Вдосконалення робочого процесу гідротурбін та систем їх регулювання [PDF]
, 2019 The paper provides the detail analysis of the causes of various types of the vortex motion of the turbulent flow in the inlet parts of the turbine and in the inter-blade channels of the runner.
Gasiyk, Alexander +3 more
core +1 more source