Create a GitHub PR that implements tutorial 4 (voltage source inverter)

[elsevers]

Abstract

Create a GitHub PR that completes the Voltage Source Inverter tutorial

Approach

1. Complete the tutorial

Complete the tutorial steps to create your first user app!

2. Perform an experiment

Use a terminal window to issue commands over a USB Uart to perform the following steps. Copy-paste a log of the commands and response from the AMDC into your PR description along with your experimental measurements.

1. Hook up your uInverter to your AMDC and power it on.
2. Initialize your app
3. Use hardware commands to set your PWM frequency to 500 kHz
4. Set the electric frequency of your VSI to 200 Hz
5. Set the amplitude to 0.5
6. Use an oscilloscope to measure 1) the phase a voltage waveform using testpoint TP1A and 2) the current through each of your phases with current clamps simultaneously.
7. Adjust the time scale of your oscilloscope so that you can see approximately 2 periods of your current.
8. Use cursors to confirm that your current waveforms are phase separated by $120^\circ$ and that they have the correct period.
9. Use oscilloscope to estimate the phase delay between phase a voltage and phase a current; the RMS phase a voltage; and the RMS phase a current. From this information, provide an estimate of the uInverter's load resistance and inductance in your PR description.

3. Create your PR

Your PR should

• Be configured to close this issue
• Add the code you created for your VSI user app
• Provide a professional PR description (using markdown headings, bulleted lists, etc.) that explains what changes the PR is making to the repository to implement this issue. Keep the description reasonably brief.
• Your description should document your experiment findings:
  • provide the copy-paste of command line commands
  • provide an oscilloscope screenshot of your voltage and current waveforms with cursors configured as described in step 7
  • provide your estimated load resistance and inductance and explain how you estimated these quantities.