30 Ιαν 2016

Rural electrification project in Ethiopia with Wind Empowerment

Posted by neaguinea

During 2015, V3 power (UK), Nea Guinea (Greece) and I-Love-Windpower Tanzania joined Wind Empowerment and Mercy Corps Ethiopia, in order to implement a rural electrification project in Jijiga, in the Somali region and in Semara in the Afar region. The project’s main goal was to provide productive uses of energy from off-grid renewable energy systems using locally manufactured small wind turbines and solar panels, as part of Mercy Corps’ program PRIME (Pastoralists’ Areas Resilience Improvement through Market Expansion).

Electrification of a local shop in Handew – Jijiga, Ethiopia

In this context, the local shop of a rural settlement in Handew, 15km away from Jijiga, was electrified using a 3m rotor diameter locally manufactured small wind turbine, installed at 12m hub height, and 300W of solar panels in order to provide electricity for mobile phone charging, lighting and refrigeration of beverages in the shop.

The rural settlement of Handew

The rural settlement of Handew

The off-grid electrical system consists of a 500W inverter, a 24V 300Ah battery bank and a diversion load charge controller. A data logger has been installed along with the system in order to measure the wind speed, using an anemometer on the wind turbine tower, and the current provided to the shop loads. The shop’s load profile will be logged and then the power curve of the wind turbine.

Lights in the shop

Lights in the shop

The electrical system board and the battery box

The electrical system board and the battery box

http://neaguinea.org/rural-electrification-project-in-ethiopia-using-locally-manufactured-wind-turbines-january-2015/

                                                                                                                           The small wind turbine used in the installation was manufactured locally at the Jijiga Polytechnic College during a 7 day course with 22 participants. Graduates, students and teachers of the college participated in the course which included theoretical lectures on small wind turbine technology and applications and practical workshops on small wind turbine construction. The practical sessions were organised in three working groups. The woodworking group was carving the three blades of the rotor out of wood, the metalworking group was fabricating the steel frame of the generator and the furling tail, and the generator manufacturing group which has wound the coils of the stator and fabricated the magnet rotor disks.

Preparing moulds to cast the stator coils in

Preparing the stator moulds

Welding the steel frame

Welding the steel frame

Carving the wooden blades

Carving the wooden blades

The wind turbine assembled in the workshop

The wind turbine assembled in the workshop

The wind turbine was then installed with the course participants in the rural community of Handew, along with the solar panels and the electrical system. To see more photos of the project click here.

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The wind turbine and the solar panels on the roof of the shop

 

Wind resource assessment – Semara, Ethiopia

In preparation for the next phase of the project, a wind resource campaign was initiated in the university of Semara in the Afar region, with the installation of an anemometer and a data logger.

Anemometer mast and data logger installed in Semara

Anemometer mast and data logger installed in Semara

Electrification of a local shop in Sudan Camp – Semara, Ethiopia

In this context, the local shop of a rural settlement in Sudan Camp, 50km away from Semara, was electrified using a 3.6m rotor diameter locally manufactured small wind turbine, installed at 12m hub height, and 600W of solar panels in order to provide electricity for mobile phone charging, lighting and refrigeration of beverages in the shop. In addition refrigeration of local agricultural produce will be provided to assist local farmers with better preservation possibilities.

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The rural settlement of Sudan Camp

The off-grid electrical system consists of a 1kW inverter, a 24V 750Ah battery bank and two diversion load charge controllers. A data logger will be installed along with the system in order to measure the wind speed, using an anemometer on the wind turbine tower, and the current provided to the shop’s loads. The shop’s load profile will be logged and in later on the power curve of the wind turbine.

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The electrical system board

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The batteries in the battery box and the diversion load resistors mounted on a plywood board

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The wind turbine and the solar panels

                                                                                                                              The small wind turbine used in the installation was manufactured locally at the Semara University during a 9 day course with 24 participants. Students and staff of the university participated in the course which included theoretical lectures on small wind turbine technology and applications and practical workshops on small wind turbine construction. The practical sessions were organised in three working groups. The woodworking group was carving the three blades of the rotor out of wood, the metalworking group was fabricating the steel frame of the generator and the furling tail, and the generator manufacturing group which has wound the coils of the stator and fabricated the magnet rotor disks.

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Winding coils at the electrical base

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Mounting the tail brackets at the metalwork base

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Carving blades at the woodwork base

                                                                                                                                                                                                                                                            The wind turbine was then installed with the course participants in the rural community of Sudan Camp, along with the solar panels and the electrical system. To see more photos of the project click here.

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The wind turbine painted and mounted on the tower

Educational installation in the University of Semara – Semara, Ethiopia

A 1.8m diameter small wind turbine was also constructed during the ten day course with the students and was installed in the university campus along with an electrical system for mobile phone charging. The system consists of a 300W inverter and a 24V 150Ah battery bank and will be used for education purposes in the university.

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1.8m turbine successfully installed on campus for mobile phone charging

 

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