Results 11 to 20 of about 1,213,359 (335)

Wind analysis for wind power: Part II

open access: hybridMAUSAM, 1981
The paper contains the frequency distribution of hourly values of winds of Baroda in south Gujarat in the four ranges, viz., light, moderate, strong and very strong with the objective of utilisation of energy from winds for the windmills. A comparison has also been made with the results of similar studies made earlier in respect of Ahmedabad in north ...
Sunil Thomas
openaire   +5 more sources

Detection of tower bolt looseness and its influence of wind level [PDF]

open access: yesE3S Web of Conferences, 2021
Taking the wind turbine tower as the research object, based on the finite element software, a simplified beam-shell hybrid element model was first established; through the simulation, the phase difference between the loose position and the unloose ...
Wu Enjun   +10 more
doaj   +1 more source

Study on Amplification Effect of Wind Turbine Blade Stopping Position on Vortex Induced Vibration of Tower [PDF]

open access: yesE3S Web of Conferences, 2023
This project takes XX unit as the analysis object to study the first-order vibration wind speed of wind turbine under shutdown vibration. The vortex-induced vibration response is calculated and the displacement under resonant wind speed is calculated by ...
Wang Ziyue   +3 more
doaj   +1 more source

Two Level Control Strategy for Independent AC/DC Hybrid Microgrid Based on Integrated Control [PDF]

open access: yesE3S Web of Conferences, 2021
Aiming at the independent AC/DC microgrid, a simple and effective multi time scale control strategy is proposed by adopting the combination of day ahead scheduling and real-time control.
Liu Hanmin   +7 more
doaj   +1 more source

Site-specific assessment of wind turbine residual life and health status [PDF]

open access: yesE3S Web of Conferences, 2021
At present, some 600kW and 750kW wind turbines put into operation earlier in China have exceeded their 20-year design life. For these turbines, the safety, reliability and economy of these turbines are usually evaluated in a reasonable way, so as to ...
Guo Ri Yang   +4 more
doaj   +1 more source

Research on the early warning method of transformer fire fault in ocean booster station based on fault tree model [PDF]

open access: yesE3S Web of Conferences, 2021
As the heart of the sea booster station, the transformer has an extremely important position. When the transformer has various faults, it is very easy to cause a fire accident, so the safe operation of the transformer is very important.
Zhang Fuqiang   +5 more
doaj   +1 more source

Development and application of smart key security control system for wind farms

open access: yesDianzi Jishu Yingyong, 2023
The informatization and intelligence of wind farm lock and key management is the key to further improve the level of wind farm operation and maintenance management.
Liu Hailong   +3 more
doaj   +1 more source

Scaling Challenges for Conical Plain Bearings as Wind Turbine Main Bearings

open access: yesWind, 2023
Wind energy is an important renewable energy source. Rotor main bearings are critical components of wind turbines since a faulty main bearing leads to downtime and high repair costs. Operational expenditures amount to 32% of wind energy costs. The use of
Jan Euler   +5 more
doaj   +1 more source

From Strain to Loads: Development of a Measurement Solution for Wind Turbine Transmission Input Loads during Drivetrain Testing

open access: yesSensors, 2023
As wind energy is paving the way for the energy transition from fossil to renewable energy sources, the ongoing trend of increasing the rated power of wind turbines aims to reduce the overall cost of wind energy.
Eren Bilen   +5 more
doaj   +1 more source

Simulation of distributed photovoltaic power generation system [PDF]

open access: yesE3S Web of Conferences, 2023
Combined with the operation characteristics of photovoltaic power generation system, the mathematical model and simulation model are established, and the control strategy of bipolar inverter with wide output characteristics and the maximum power point ...
Cai Gaoyuan   +5 more
doaj   +1 more source

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