На английском языке, 63 стр. , 8 частей, приложения. Рассматривается вопрос создания эл. части ветровой установки из отходных материалов. Есть и симуляции на Матлаб и Femm.
The subject of the report.
Background to research and investigation of rural electrification.
Ga-Rampuru, a typical rural South African village.
Resource assessment.
Objectives of the report.
Method of investigation.
Plan of development.
Design of the wind turbine prototype.
Background on wind energy.
Wind turbine basic principles.
The blades.
Permanent magnet generator.
Rotor design.
Tower.
Design of a wind turbine for Ga-Rampuru village.
The drum.
Magnet rotor disk.
Rotor disk.
Distribution cables.
Artist impression of the wind turbine.
Generator Design.
A brief background.
Generator specifications.
Generator basic principle.
Properties of permanemt magnets.
Types of magnets.
Factors affecting recycled magnets.
Generator losses.
Eddy current loss.
Hysteresis loss.
Core loss.
Design variables.
Speed of the generator.
Rotor and Stator core.
Rotor Diameter (D).
Rotor and stator yoke heights.
Airgap length.
Generator length.
Airgap flux per pole.
Windings.
Number of turns.
Modelling the design in FEMM.
ntroduction.
Two pole geometry.
Commercial magnets.
Recyclable magnets found in the village.
Background on the characteristics of loudspeaker magnets.
Properties of the loudspeaker magnet.
Output EMF and flux of the recycled generator.
The estimated output power of the generators.
Analysis of the generator outputs.
The estimated power of the generators.
The rms output flux of the generators.
Factors that may have affected the recycled generator outputs.
Applications of voltage from the wind turbine.
Design using speaker magnets.
Practical comparison of the generators.
ntroduction.
Materials required to assemble a PM generator.
Magnets used in the generator.
Stator and rotor.
Converting an induction motor into a PM generator.
Challenges faced during the construction of the PM generator.
– Conclusions.
There is an urgent need of electricity.
Resource assessment.
Recyclable materials in the village.
Rural artisans who can assemble the wind turbine.
Evidence of wind resource.
Simulation results.
Cost involved in the design.
alidity of this thesis.
– Recommendations.
Appendix.