1. Portable Power Station University of Wyoming Electrical and Computer Department EE4830 2011 Done By Mohammad S. Almoallem Mahmood S. Almoallem Advised By Dr. Stanislaw Legowski

2.  Index:  Main outputs of the system  Block diagram  Wind generator  Batteries  Microcontrollers  H-Bridge and transformer  USB  Sensors  Cost  Things to do in future  Questions

3.  Outputs of the system: 75.5 ⁰F 20% 015[W] 4.5[mph] Temperature Wind Speed Humidity Usage Power Display Output 120 VAC Output 5 VDC

4.  Block Diagram:

5.  Wind Generator System: Wind Turbine Battery Charge Controller Part #: TPW-200 Power Output: 200 [W] Voltage Output: 12 [V]

6. Batteries: 1)Main Battery: 2) Backup Battery: Voltage: 12 [V] Capacity: 140 Ah 10 hr. With 150[W] Voltage: 6 [V] Capacity: 5.5 Ah 5 hr. With 6[W]

7.  Microcontroller: Part #: PIC16F877A Voltage supply 5 [VDC] Number of pins 40 Number of ADC pins 8 Part #: PIC16F872 Voltage supply 5 [VDC] Number of pins 28 Number of ADC pins 5

8.  H-Bridge and transformer:  Using H-Bridge: S24-15A-30V-HBRIDGE Voltage Supply (Vcc): 4.5 – 5.5 [VDC] Voltage Supply (convert DC to AC): 12[V] Maximum Current: 15 [A] Built-in current Sensor with Safety protection feature. 6.3 [VAC] 120 [VAC] N = 6.3/120 = 0.0525 150 [W] Built-in Current Sensor Current AC = (Vout / 0.32 )

9.  Controlling the H-Bridge to Convert DC to AC:  Using PWM ( Pulse Width Modulation)

10.  DC TO DC converter (USB output):  Voltage Regulator: LM1085  Voltage Supply : 6 - 12 [VDC]  Maximum Current: 3 [A]

11.  Sensors: AnemometerTemperatureHumidityCurrent Part Number Inspeed Vortesx Wind Sensor LM35CAHIH-4020-001ACS714 Picture Input NONE Has a Magnet inside 5 [VDC]4.0 – 5.8 [VDC]±5 [A] Accuracy-±0.5%±3.5%±1.5% Ranges--40 °C to 120 °C-40 °C to 85 °C-40 °C to 150 °C

12.  Circuit Diagram of the Sensors: Humidity Sensor Humidity = [(Vout – 1.6) / 25.4] + 20 Temperature Sensor Temp = (Vout * 100) - 40

13.  Circuit Diagram of the Sensors: : Current Sensor Current DC = (Vout * 2.03) – 3.5

14.  Cost:

15.  Things to do in future:  Break for wind turbine.  Make it more portable.  Automatic system setting.  Thanks to:  Dr. Stanislaw Legowski.  Victor Bershinsky.  George Janack.