1. Wind Turbine Simulation (Phase IV)
SDMAY 12-24
Advisor:
Dr. Venkataramana Ajjarapu

2. Group Members Brian Alexander (Computer Engineering)
SDMAY 12-24
Group Members
Brian Alexander (Computer Engineering)
Lon Bromolson (Electrical Engineering)
Jarid Strike (Electrical Engineering)
Chase Schaben (Electrical Engineering)
Anthony Swope (Electrical Engineering)

3. SDMAY 12-24
Project Description
Computer controlled motor is coupled with wind turbine
Wind turbine -> batteries -> inverter -> AC load
Measurements are taken using DAQ USB-6008, and imported into LabVIEW

4. Problem Statement Existing system: Model for new system:
SDMAY 12-24
Problem Statement
Existing system:
Load primarily uses batteries.
Turbine charges batteries when needed.
System does not efficiently use wind energy
Model for new system:
Wind turbine primarily powers load
Batteries are used as backup
PC provides user-friendly interface

5. SDMAY 12-24

6. SDMAY 12-24
Current System

7. SDMAY 12-24

8. SDMAY 12-24

9. Functional Requirements
SDMAY 12-24
Functional Requirements
The turbine will generate a 24V DC output.
The turbine will generate a 400W peak output.
The motor will simulate outdoor wind speed.
The anemometer and wind vane will transmit wind profiles from locations on campus
The turbine output current will be accurate for the input wind speed
The turbine will divert power to the load or a dump when excess power is produced

10. Non-Functional Requirements
SDMAY 12-24
Non-Functional Requirements
The project will comply with all state and federal electrical regulations.
The project will be documented through technical manual and in-depth schematics.
Technology Requirements
LabVIEW interface must accurately calculate multiple variables throughout the system and display them for the user to see.
Wind profiles must be read and input into LabVIEW in real-time.
All sensor equipment must be compatible with DAQ module.

11. LabVIEW Interface Control wind speed simulation motor
SDMAY 12-24
LabVIEW Interface
Control wind speed simulation motor
Read measurements while running motor
Provide rich user interface for real-time operation
Obtain plots that can be analyzed using Excel.
Power (W) vs Wind(mph), Power (W) vs time(s), etc

12. LabVIEW Interface Available Outputs: Available Inputs:
SDMAY 12-24
LabVIEW Interface
Available Outputs:
Motor voltage/frequency (controlled by DSP)
Available Inputs:
Wind speed measured by anemometer
Motor RPM measured by Hall sensor
Turbine current measured by current transducer and USB-6008
Inverter current measured by current transducer and USB-6008
Battery voltage measured by USB-6008

13. SDMAY 12-24

14. SDMAY 12-24

15. SDMAY 12-24
Motor Control Issues
Previous design team used standard 3-phase power supply rather than programmable DSP variable-frequency drive
Motor was overheating when 3-phase power supply was used
Figure from Wikipedia “File:VFD System.png”

16. MATLAB PLECS MATLAB PLECS Used to simulate the current circuit.
SDMAY 12-24
MATLAB PLECS
MATLAB PLECS
Used to simulate the current circuit.
Show how possible solutions will affect the system

17. SDMAY 12-24
PLECS Schematic

18. Load/Battery/Turbine Solutions
SDMAY 12-24
Load/Battery/Turbine Solutions
PLECS software
Different Circuit Ideas
Boost Converter
Charge Controller
Logic Controller

19. SDMAY 12-24
Test Plan
Run system for a long period (few days or few weeks) while simulating actual wind speed conditions
Measure power generation of wind turbine over time
Measure battery voltage over time

20. SDMAY 12-24
Accomplished Tasks
All signals coming from sensors are available to access in LabVIEW, and a initial user-interface has been developed.
Power management circuit ideas have been discussed, existing circuit has been modeled in MATLAB.
Measurements have been taken using 3-phase power supply, but motor was overheating.

21. Planned Tasks Develop control/measurement software in LabVIEW
SDMAY 12-24
Planned Tasks
Develop control/measurement software in LabVIEW
Develop accurate motor control using DSP and variable-frequency drive
Develop power management circuitry
Perform analysis
Compare systems and optimize solution
Draft new schematics

22. SDMAY 12-24
Any Questions??