30 Ιαν 2016

Rural electrification project in Ethiopia using locally manufactured wind turbines – October 2015

Posted by neaguinea

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Arthur from I-Love-Windpower Tanzania sharing his experience on energy cooperatives

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Group work with the students during the first day on how to develop renewable energy technologies in the area

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Beginning the practical workshops by reading the construction manual

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Measuring and cutting metal parts

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Measuring and cutting plywood boards

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Practicing with the arc welder

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Carving the front side of the blades for the 3.6m and the 1.8m turbines

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Marking the magnet jig on the plywood pieces

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Each working group shares with the rest of the team what they have achieved during the day

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Cutting, filing and welding the alternator frame and tail of the 1.8m machine

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Cutting, filing and welding the alternator frame and tail of the 3.6m machine

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Every morning some presentations on how wind turbines work, installation, maintenance, market assessment etc

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Carving the back side of the blades for the 3.6m and the 1.8m turbines

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Connecting the stator coils for the 3.6m generator

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Tapping the mounting holes for assembly of the generator

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Cutting the magnet jig for the 3.6m turbine

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Assembly of the 3.6m rotor blades

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Both rotors assembled and the experienced shared with the rest of the group

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The coils of both stator have been connected and placed in the moulds, ready to be cast with resin

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Gluing neodymium magnets on the rotor disks of the 3.6m turbine

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Casting in polyester resin the stators of the 3.6m and the 1.8m turbines

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The rotors of the two machines in the moulds and ready for casting

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The 1.8m generator assembled and measuring the open circuit voltage by turning with the hand

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The blades of the 1.8m turbines mounted on the generator ready for balancing

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The electrical system of the educational installation in the Semara Univeristy, consisting of an inverter, batteries and a diversion charger controller with loads.

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The 1.8m turbine getting ready for lifting in the Semara University campus

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1.8m turbine successfully installed on campus for mobile phone charging

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The village of Sudan Camp where the second small wind turbine was installed

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Connecting the 750Ah 24VDC battery bank

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The battery box and dump load resistors

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The electrical system board with the 1kW inverter, two diversion charge controllers, PV charge controller, WT rectifier, distribution boxes and sockets for the loads

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Installation of the 600W solar panels on the roof of the house

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Mounting the generator ans blades son the tower and applying thread lock

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The 3.6m wind turbine and tower in the village of Sudan Camp

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The students with their course certificates in front of the turbine

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Oumer (with his relatives and neighbors) who will be using the electricity from the off-grid system to power his shop

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