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Dan Aseyev James Evans Nick Potter. GE Design Project. Table of contents . Recognize the Need(3) Define the Problem(4) Gather Information(5) Customer Needs(6,7) Brainstorm(8-11) Design Matrix (12) Solution(13-17) Ending (18) Questions? (19). Recognize the Need.

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dan aseyev james evans nick potter
Dan Aseyev

James Evans

Nick Potter

GE Design Project

table of contents
Table of contents
  • Recognize the Need(3)
  • Define the Problem(4)
  • Gather Information(5)
  • Customer Needs(6,7)
  • Brainstorm(8-11)
  • Design Matrix (12)
  • Solution(13-17)
  • Ending (18)
  • Questions? (19)
recognize the need
Recognize the Need
  • We recognize the need to design a self sustaining telecommunications hut, that will run off renewable energy and incorporate GE’s NaMx battery to provide better cell phone coverage in developing countries with unreliable power girds.
define the problem
Define the Problem
  • To design a power supply for the hut that does not rely on Nicaragua’s power grids, due to the grids instability.
gather information
Gather Information
  • Our research was based around Nicaragua and the availability of renewable resources in the country.
  • We focused on..
    • Climate
    • Geography
    • Energy
    • Politics
    • Telecommunications
    • Power Hut Specs
customer needs
Customer Needs
  • After communicating with citizens of the small community of Wiruca, Nicaragua and considering the requirements set by General Electric, the design team established an appropriate customer needs assessment.
customer needs1
Customer Needs
  • The design will need to provide significant energy to power all of the components of the hut as well as the BTS Unit requirement from GE
  • The design must maintain an appropriate operating temperature
  • The design will be self operating upon installation
  • The design will be able to function without a power grid and use a hybrid power supply of green energy while incorporating the GE Sodium Halide Battery
  • The design will be sustainable and will have a long lifespan
  • The design will be versatile and can be implemented throughout the entire country of Nicaragua
  • Solar
  • Wind
  • Geothermal
  • Micro-hydro
  • Generator

We researched the individual uses and specs for each type of energy, and also looked into the combinations of any of the renewable energies.

final solution
Final Solution
  • The final design chosen to power the hut was a hybrid system involving solar panels that will power the hut when there is sunlight and charge the battery. The battery will then power the rest of the hut once the sun goes down or if the solar isn’t producing enough power. If this cycle for some reason wasn’t able to provide significant power to the hut, the back up generator will automatically kick on.
major components
Major Components
  • Seven 245 Watt Solar World Monocrystalline Solar Panels
  • General Electric's Sodium Metal Halide Battery Type A2
  • Morningstar TS60 60 amp PWM Solar Charge Controller
  • SKU KOMA-0040101 Model 4EOZ Backup Diesel Generator
  • Solar Panels
    • Since our design only requires 1.442 kW of power seven panels will provide more than enough with a 1.715 kW output.
  • Battery
    • The battery will need 154.7 Watts to maintain the temperature of 300°C. The A2 model takes 7.2 hours to recharge the battery. Since our design requires 1.443 kW the battery will be able to supply power to our hut for 17.18 hours.
  • Generator
    • This particular generator has a 50-gallon tank. This is important because it requires less monitoring of the fuel and less maintenance. It has a 3.3 kW running at maximum speed and can operate with this output for near 111.1 hours.
  • Charge Controller
    • This model has a large heat sink and conservative design enables operating to full ratings to 45°C.It is very appealing because it connects to a personal computer for custom settings, data logging and remote monitoring and control.It is fully protected against reverse polarity, short circuit, overcurrent, high temperature and overvoltage.
  • Solar Panels(7)-$4760
  • GE Battery-unknown
  • Cooling system-$245
  • Generator-$8750
  • Lighting-$50
  • Charge Controller-$202.86
  • Total Estimate(Not including Batteryor BTS Unit)-$14007.89