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Course Outline

KAPEG has been working on the research field of small wind turbine since 2004. KAPEG has started delivering practical workshops and training course on small wind turbine and solar hybrid system since 2017.

The wind turbines built in the workshops are based on the designs of Hugh Piggott, a renewable energy expert living in the off-grid community of Scoraig (Scotland), as described in his ‘Wind Turbine Recipe Book’. These wind turbines can be constructed with the use of common materials, simple manufacturing techniques and basic tools, providing a low cost small wind turbine that anyone can built. Hundreds of homemade small wind turbines have been constructed worldwide using these designs, and have proven to be robust, efficient, easy to maintain and quick to repair. Typical applications of locally manufactured small wind turbines are development projects such as electrification of village communities in the global south, educational projects in universities and schools and sustainability projects such as renewable energy electrification of eco-villages.

During this one week course a 600W small wind turbine with 2.4m rotor diameter will be constructed from scratch, using simple raw materials like wood for the blades, steel for the mounting frame and tail, copper wire for the coils and neodymium magnets cast in resin for the generator. The wind turbine will be the product of enthusiastic team work, as we will work in groups focusing on woodworking, metalworking and generator fabrication, along with short breaks to share what we have learned with the whole team.

Woodworking will involve hand curving the blades of the rotor using drawknives and spokeshaves, planes and chisels. Metalworking will involve fabricating the steel frame to support the generator, blades and tail, with the use of welding, grinding and drilling techniques. Generator fabrication will involve winding coils, placing magnets, preparing plywood moulds and casting the stator coils and rotor magnet disks into resin. Basic woodworking and metal working skills will be taught during the course, and will enable all participants with enough hands-on experience to complete the wind turbine construction.

Although most of the course is practical, aspects of off-grid renewable energy systems will be covered in an introductory presentation emphasizing on different applications such as solar panels, solar pumps, wind and hydro turbines. An introduction to the basic theory of small wind turbine systems will cover important aspects such as the wind energy resource, aerodynamics and blades, electromagnetism and generators, the furling tail system, tower installation and connection to a battery bank. Apart from these short presentations, chances for discussions on the these topics will come up throughout the duration of the course.

What you will learn about solar energy system

Fundamentals of Solar PV energy

Determine and select the correct components for the Solar PV system

Solar Energy production curve vs. Household energy demand curve

Hardware connection and wiring principles

What you will learn about wind energy system

Foundation on wind energy

Construct small wind turbine frames

About locally constructed small wind turbine system

Hardware level connection of small wind and solar system with the battery

Constructing wind turbine blades

Checking the power production from the solar and wind turbine system

Constructing wind turbine generator

Use of tools and measuring equipments

What and how we will do in the workshop?

We build a small wind turbine based on the Hugh Piggott design which is known for it’s simplicity and reliability. We use simple materials and parts to build all components of the turbine (generator, rotor, frame, tail) by ourselves in the workshop. After you participation in the workshop, you should be able to build your own turbine at home.

You will also learn how the wind turbine is used as a source of energy in a stand alone (off-grid) or in a grid connected system.

Who can participate?

Everyone who is interested! KAPEG has developed workshop concepts for institutions such as universities, schools and associations as well as for individual groups.

Our workshops target people of all ages from 13 years onwards. We learn from each other, next to each other. Typical group size is between 5 and 15 people. Languages: Nepali or English

No special knowledge or experience is required.

About the course instructor

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