Project 5 Report EEL3123C
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School
University of Central Florida *
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Course
3123C
Subject
Electrical Engineering
Date
Feb 20, 2024
Type
docx
Pages
5
Uploaded by ChefJackal49
Project 5 Report EEL3123C
Davi Dantas
Kyle Ingleton
Roman Luknicki
Objectives and Tasks
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The ultimate goal of the project is to take measurements of a concealed AC load.
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To achieve the design requirements, our group needed good understanding of filters.
Dissection of Implementation
To identify the ZL element, the group added a known resistor with a value of 1k ohms in series with the box. With the known resistor installed, we measured the voltage of the input (Vin) as well as the voltage from the other end of the resistor to ground (V out) using the oscilloscope. Using V out/R to find the current, we used the formula Vin/I to determine the magnitude of the overall impedance of the circuit. We then used the oscilloscope to measure the phase shift between the two voltages. We took these values in polar form to represent our impedance and converted it to rectangular form. We then subtracted our resistance value of 1kohm from the real component of our rectangular value for the impedance. We then converted our answer back into polar form to get the proper phase angle for our impedance without our added resistor, and then calculated the cosine of the phase angle to get our power factor.
Simulation and Results
Experimental Results
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Results Comparison
This experiment was based solely on not knowing what the impedance inside the box was. As the pictures shown above we can see what is the voltage across the resistor and the load and what is the phasor difference. Power factor can be found in many ways to include Active power/Apparent power. As well as the Cosine of the phasor angle.
Conclusion
In summary, our success in meeting the requirements outlined in the prompt can be attributed to meticulous calculations of key parameters such cutoff frequency, Resistor value and impedance Value. We needed to implement our understanding of how to obtain the values needed in order to calculate the total impedance and from the oscillator we were able to obtain
the power factor.