Generally, most people are familiar with alternating current (AC) in their everyday lives. It is common knowledge that a wall socket in a home in the United States is 120 VAC, but did you know that the peak voltage from that wall socket is 170 volts? That fact is simply a characteristic of AC that is described in this module. A technician must have in-depth knowledge of AC generation, characteristics, and measurement to maintain and troubleshoot industrial equipment effectively.
" Describe the operation of a simple AC generator.
Explain the development of a sine wave output
in an AC generator.
Describe how a three-phase AC output
Identify effective and average values of an AC
voltage and demonstrate how to calculate each."
You will not be required to pass the knowledge check questions to move on to the next lesson. These will not be counted as a grade, but each question gives you insight into what you should have learned and the sorts of things you'll need to remember moving forward.
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