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Project 2 Nakuru Cell Tower

Project 2 Nakuru Cell Tower. The League of Extraordinary Engineers Dominick D’Angelo Scott Whiteman Jason Ellis. Introduction. Problem Statement

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Project 2 Nakuru Cell Tower

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  1. Project 2Nakuru Cell Tower The League of Extraordinary Engineers Dominick D’Angelo Scott Whiteman Jason Ellis

  2. Introduction Problem Statement • As a team, our objective is to create a base to power a cell phone tower in an area where it is not possible to do so, because of limited or nonexistent grid. We plan to use sustainable energy sources along with a diesel generator and a sodium metal halide battery to generate energy, efficiently and cost effectively. Our design will be easy to implement in developing regions that will benefit from the use of this with limited resources.

  3. Research(Nakuru) • Roughly 300,000 inhabitants • Important Educational Center • Egerton and Kabarak Universities • Economy • Agriculture • Coffee, wheat, barley, maize and beans • Manufacturing • Tourism • 63% cell phones • 27% landline access

  4. Research Possible Renewable Energies Wind Technologies • Average wind speed is not consistently equal to 12 mph Solar Technologies • Best option due to solar data, close to equator Hydroelectric Power • Not enough moving water to power system • Lake Nakuru is really the only option

  5. Components • Solar Panels • Sunflex Grade A 100 W • PV Size (4 kW) • Amount Needed (40) • Cost ($380.00/Unit) • Charge Controller • Outback Flexmax 80 Charge Controller • 48 VDC System • Recommended: 4000 W • Cost ($684.00)

  6. Components • Battery • Amount (1) • Type (A1) • Cost ($7,000) • Capacity (12.4kwh) • Inverter • AIMS 5000 Watt power inverter • Volt and Amp meters on front panel to monitor your battery voltage and current usage

  7. Components • Diesel Generator • Durostar D57200Q (6000 W) • Run Time (12 Hours) • Cost ($1000.00) • Efficiency (20%) • Fuel Tank • LiquiDynamics Horizontal Fuel Storage Tank • Capacity (275 gallons) • Cost ($800.00)

  8. Mode 1: No renewable energy, load drawn from batteries. If batteries empty, use generator. Generator DC Loads BTS Edc Efuel Eg Renewable Energy Charge Controller Ere Ecc AC Loads Eac Einv DC to AC Inverter Ec Ed Batteries Ebatt

  9. Mode 2: Renewable energy less than loads, deficit drawn from batteries. If batteries empty, use generator. Generator Efuel DC Loads BTS Edc Eg Renewable Energy Charge Controller Ere Ecc AC Loads Einv DC to AC Inverter Eac Ec Ed Batteries Ebatt

  10. Mode 3: Renewable energy exceeds loads, excess put into batteries. If batteries full, dump excess. Generator Efuel DC Loads BTS Edc Eg Renewable Energy Charge Controller Ere Ecc AC Loads Einv DC to AC Inverter Eac Ec Ed Batteries Ebatt

  11. Analysis • Battery capacity < 12 kWh will dump excess electricity. • Battery capacity at or > 12 kWh will have no dump, but require more fuel to heat initially Diesel Fuel Needed (gal) Battery Capacity (kWh)

  12. Analysis • From the 4th-9th year, our hybrid plan is most cost effective • Up until the 4th year the All Diesel is most efficient • After the 9th year, the All Renewable is most effective

  13. Analysis

  14. Location 0.31°S and 36.0500°E

  15. SketchUp Model

  16. Take-Away • Roof • Slanted for weather • Shades roof, thus creating cooler internal temperature • Open space beneath panels creates cooling effect • Ventilation • Air flow (Through hut) • Location • Connects rural and urban communities

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