College - Author 1

College of Engineering

Department - Author 1

Electrical Engineering Department

Degree Name - Author 1

BS in Electrical Engineering

College - Author 2

College of Engineering

Department - Author 2

Electrical Engineering Department

Degree - Author 2

BS in Electrical Engineering

College - Author 3

College of Engineering

Department - Author 3

Electrical Engineering Department

Degree - Author 3

BS in Electrical Engineering

Date

6-2021

Primary Advisor

Taufik, College of Engineering, Electrical Engineering Department

Additional Advisors

Ali Dehghan Banadaki, College of Engineering, Electrical Engineering Department

Abstract/Summary

In this work, the implementation of the electrical system for Cal Poly’s 2021 Department of Energy Collegiate Wind Competition turbine is described. The mission of this project was to complete the turbine testing tasks to the best of the team’s ability. This system includes an off the shelf slotless permanent magnet synchronous generator and rectifier to produce a DC voltage. To maximize the power output at below-rated wind speeds, current sensors, voltage sensors, and a dynamic load with variable resistance were designed and tested. To curtail the power and rotor speed in high wind events, the turbine was equipped with a pitching mechanism to pitch the turbine blades to stall, and a hall effect sensor was added to sense rotor speed. Two Arduino microcontrollers are used to sense the current, voltage, and rotor speed while actuating the blade pitch and load resistance to obtain the most points during the turbine testing tasks. This report should serve as a reference for future Cal Poly Collegiate Wind Competition teams to build off of.

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