Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Juchuan Dai"'
Publikováno v:
Energies, Vol 17, Iss 19, p 4849 (2024)
Numerical simulation technology is a crucial tool for reducing costs and increasing efficiency in the wind power industry. However, with the development of large-scale wind turbines, the computational cost of numerical simulation has gradually increa
Externí odkaz:
https://doaj.org/article/8afe8d59689f48ff819e4fb0453c5a85
Publikováno v:
Energy Science & Engineering, Vol 11, Iss 10, Pp 3619-3640 (2023)
Abstract Due to the random fluctuation of wind energy, the working conditions of the drivetrain have complex time‐varying characteristics. To deeply understand time‐varying dynamic behavior, a dynamic behavior method for normal and faulty drivetr
Externí odkaz:
https://doaj.org/article/7cf7607d229840db96434cd9725fb6cf
Publikováno v:
Applied Sciences, Vol 14, Iss 7, p 3101 (2024)
An accurate formula for calculating the pressure loss in concrete pumping plays a significant guiding role in the design and service process of pump trucks. Based on the flow characteristics of concrete pumping, a straight pipe one-dimensional model
Externí odkaz:
https://doaj.org/article/64221ddc62c14486a4221f58d23fdeaf
Publikováno v:
Frontiers in Energy Research, Vol 11 (2023)
In large-scale wind turbines, the force state of the pitch system greatly influences safe operation and service life. This paper provides a novel method to estimate blade pitch load, bearing friction torque, and motor pitch torque. In this method, th
Externí odkaz:
https://doaj.org/article/974559450f1849d1a63767f1c2abddf1
Publikováno v:
IET Renewable Power Generation, Vol 15, Iss 11, Pp 2315-2324 (2021)
Abstract Pitch control is a basic function of large‐scale wind turbines to improve energy capture efficiency. Pitch system is also a component system with a high failure rate due to the complex pitch behaviour. It is helpful to the practical design
Externí odkaz:
https://doaj.org/article/af88ca2970f44a6798d65d38389cd985
Publikováno v:
Frontiers in Energy Research, Vol 10 (2022)
The key problem to be solved in the process of wind turbine (WT) operation and maintenance is to obtain the wind turbine performance accurately. The power curve is an important indicator to evaluate the performance of wind turbines. How to model and
Externí odkaz:
https://doaj.org/article/fd3f9862d3ef4f7099f2fd90373251ba
Publikováno v:
Machines, Vol 11, Iss 4, p 495 (2023)
The operation state of the wind turbine drivetrain is complex and variable, making it difficult to accurately evaluate under the drivetrain’s anomalies. In order to accurately identify the operating state of the main drivetrain, a method for workin
Externí odkaz:
https://doaj.org/article/888ce2c89c2f48f6bc742a8ffb284319
Publikováno v:
Energies, Vol 16, Iss 6, p 2679 (2023)
Data pre-processing is the first step of using SCADA data to study the performance of wind turbines. However, there is a lack of knowledge of how to obtain more effective data pre-processing algorithms. This paper fully explores multiple data pre-pro
Externí odkaz:
https://doaj.org/article/4dd3ef5d2b844458adb6cf6252bc9674
Publikováno v:
Machines, Vol 11, Iss 3, p 399 (2023)
Due to reduced manufacturing, transportation, and installation costs, the two-blade wind turbines (Two-BWT) are a viable option for offshore wind farms. So far, there is no mature design model for offshore Two-BWT. This paper proposes an aerodynamic
Externí odkaz:
https://doaj.org/article/bd04d0373f6a4cd091863c933783bedc
Publikováno v:
Machines, Vol 10, Iss 11, p 1018 (2022)
The main transmission system of wind turbines is a multi-component coupling system, and its operational state is complex and varied. These lead to frequent false alarms and missed alarms in existing monitoring systems. To accurately obtain the operat
Externí odkaz:
https://doaj.org/article/e49483fc45b5482d9fae403c3a59ff88