advisor: venkataramana ajjarapu may 10-17 project team elsammani ahmedhassan burawi brandon...
TRANSCRIPT
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WIND TURBINE ENERGY CONVERSION SYSTEM DESIGN
AND INTEGRATION
Advisor: Venkataramana Ajjarapu
May 10-17 Project TeamElsammani Ahmed Hassan Burawi Brandon Janssen Kenneth Thelen
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Functional Requirements
Supply stand-alone load
Simulate wind Maximize turbine
power use
Display turbine and battery power
Measure turbine speed
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Resource RequirementsItem Cost
Coupling $112
Current Transducer $21
Stop Switch $16
Display Materials $15
Kikusui Power Supply
$0
3-phase AC Motor $0
Total $164
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Schedule
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Wind Turbine/Inverter Air X 400W 24VDC Internal voltage
regulation/charge control
Outback GTFX2524
24VDC 2500VA Operation Grid-tie Inverter Internal over
current and under voltage protection
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Three Operating Situations Wind Power=Load
Wind Power<Load
Wind Power>Load
200W 200W0W
100W 200W100W
300W 200W100W
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Turbine Drive
• Turbine coupled with 3-phase induction motor
• Motor controlled with adjustable power supply
• Kikusui PCR 6000W• Power supply
controlled with LabVIEW
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DC Sensors LEM LA 55-P
Current Transducer Battery and Turbine
Current Voltage Divider
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RPM Sensor Hardware Design NI USB 6008 DAQ LabVIEW Universal Use
Receiver
Transmitter
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LabVIEW Interface
Sensor Readings
Motor Control
Charge Control
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Sensor Readings
Read values in from sensors
Used DAQ, NI USB-6008
Multiplied readingsVoltage by 7.926Current by 10
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Motor Control Provided by Zhongjian Kang Used from library
On/OffVoltage and Frequency control
Single input Ratio of 220 V / 50 Hz
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Charge Control
Done using conditional statements
Compared battery voltage
Compared battery current
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Testing Sensor Readings
With power supplies
In systemChanged voltage
multiple Motor Control
With complete system
ProblemsDelayed Response
Charge ControlUnable to useNeeds values from
batteryManual operation
RPM SensorHardwareDAQ and SoftwareFluctuationsIn System
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Testing(contd.) DC Sensors
Verified with analog sensor readings
Motor CouplingVibrationsProper Leveling
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Power vs Speed
400 600 800 1000 1200 1400 1600 1800 20000
50
100
150
200
250
300
350
400
Speed (RPM)
Po
wer
(W
atts
)
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ConclusionIn the beginning of this project, we had very high hopes. There were a lot of different aspects we hoped to expand upon from the previous group, and a lot of interesting ideas we wanted to implement. Unfortunately, due to the budget constraints halting the installation of the turbine outside, and the loss of much of the previous teams work, many of these ideas were not realized. However, we are happy that we have provided a more professional and useable test-bed for the turbine, as well as a RPM sensor that may be used for a plethora of different projects in the future. Our only objective that we expected to deliver upon and failed was the full utilization of available wind power. Throughout this semester, many different solutions for this problem were brought up, but each of them failed to accomplish what we wanted. The final idea of simulating pitch control through the software interface is one that we are confident will work, but bugs in the design of the control as well as time constraints on designing and testing it have made it impossible to complete. All of this being said, our group wishes to thank Zhongjian Kang, Lee Harker, and Dr. Ajjarapu for all their help and support throughout the project.
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Questions?