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- Title
System Integration of the Horizontal-Axis Wind Turbine: The Design of Turbine Blades with an Axial-Flux Permanent Magnet Generator.
- Authors
Chi-Jeng Bai; Wei-Cheng Wang; Po-Wei Chen; Wen-Tong Chong
- Abstract
In designing a horizontal-axis wind turbine (HAWT) blade, system integration between the blade design and the performance test of the generator is important. This study shows the aerodynamic design of a HAWT blade operating with an axial-flux permanent magnet (AFPM) generator. An experimental platform was built to measure the performance curves of the AFPM generator for the purpose of designing the turbine blade. An in-house simulation code was developed based on the blade element momentum (BEM) theory and was used to lay out the geometric shape of the turbine blade, including the pitch angle and chord length at each section. This simulation code was combined with the two-dimensional (2D) airfoil data for predicting the aerodynamic performance of the designed blades. In addition, wind tunnel experiments were performed to verify the simulation results for the various operating conditions. By varying the rotational speeds at four wind speeds, the experimental and simulation results for the mechanical torques and powers presented good agreement. The mechanical power of the system, which maximizes at the best operating region, provided significant information for designing the HAWT blade.
- Subjects
HORIZONTAL axis wind turbines -- Blades; PERMANENT magnet generators; TURBINE blades -- Design &; construction; TESTING of wind tunnels; AEROFOILS; WIND speed
- Publication
Energies (19961073), 2014, Vol 7, Issue 11, p7773
- ISSN
1996-1073
- Publication type
Article
- DOI
10.3390/en7117773