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Lab Control Interface

Instructions: Please follow the steps below when completing the lab exercise. For more information on using this website, please go to the 'help' tab.

1. Program the FPGA by clicking on the appropriate button on the web interface.
2. Check that the DC bus voltage has been set to 150 V.
3. Select one o f the two options “IR Comp On” or “IR Comp Off”
4. Turn on the power converter (run motor).
5. Perform the measurements as described in section 4 of the “lab overview”. Please push the appropriate speed and load button for each measurement.
6. Stop the motor after completing the data recording.

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Oscilloscope

Instructions: To capture the oscilloscope screen as a bitmap figure right click on the picture and select “save picture as...”. To measure the armature current and field current use the average function in the oscilloscope to get the DC value of each current. This is accomplished by using the measure menu and selecting “add measurement”. From the list of measurement select ‘mean’ for the channel where the current you are measuring is displayed.

Oscilloscope Channels: Channel 1 displays the differential voltage probe output VC. Channel 2 displays the differential voltage probe output VA. Channel 3 displays the armature current. Channel 4 displays the field current.

Oscilloscope Manual: Here is a link to the Tektronix Oscilloscope Manual.

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Help

Instructions: Watch the video below to learn about how to use the lab tools and equipment.