Parts Required

A/D Converter circuit plus.

(6) 1N4148 diodes

(1) 1 kQ resistors

(1) Fully constructed wind turbine

(1) Table fan (optional, not supplied)

The complete circuit is shown in Figure 6-9 and Figure 6-10. The 3 coils are wired in a Wye arrangement. Each phase is directly connected to a channel on the A/D converter. Each phase is also connected to the three phase full wave rectifier circuit. The rectified output is wired to CH0 on the A/D converter. We've also placed a 1 kQ load resistor across the rectified output to better stabilize the generated voltages.

V Remove all but the A/D converter circuit from your board.

V Build the circuit shown in Figure 6-9 and Figure 6-10.

V Double-check your wiring before moving on - this is a complex circuit!

Figure 6-9: Three-Phase Wye Schematic
Figure 6-10: Three-Pha se Wye Wiring Diagram
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Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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