SOLAR PV CONTROL SYSTEM.pdf
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Figure 25: XBee Connection - Coordinator and Router<br />
Results & Analysis<br />
The system behaves automatically in such a way that the solar panel follows the<br />
position of the sun light to enable full utilization of the sun rays (energy).<br />
For the street light application, the intensity of the LED Lamp was varied via the<br />
dimmer circuit configuration hence the efficient utilization of the stored energy.<br />
More to that data is collected from the available nodes: LDR’s, charge of the battery,<br />
and the temperature outside (via LM35 sensor) etc. and transferred via the Zigbee<br />
technology which is a more secure gateway than IR and Bluetooth.<br />
Email: david.irungu@stu.kuct.ac.ke<br />
59<br />
2012
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