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Alternating Current

Alternating Current
  • CEU Assignment1.4
  • Course NumberNCCER 26201
  • DeveloperNCCER
  • NETA CTD10

Course Description

Describes AC circuits and explains how to apply Ohm’s law to solve for unknown circuit values. It also explains how to make power calculations in AC circuits and describes various types of transformers and how they operate.

Prerequisites: DC Theory 26103 and 26104 or equivalent (pass pre-test)
Course Duration: 2 days at 8 hours each

Course Objectives

  • Identify AC waveforms
    a. Define the terminology of sine waves
    b. Define AC phase relationships
    c. Identify non-sinusoidal waveforms
  • Determine unknown values in AC circuits
    a. Find unknown values in purely resistive AC circuits
    b. Find unknown values in inductive AC circuits
    c. Find unknown values in capacitive AC circuits
    d. Find unknown values in combination circuits
  • Make power calculations in AC circuits
    a. Calculate true power
    b. Calculate apparent power
    c. Calculate reactive power
    d. Calculate power factor
    e. Use the power triangle to determine unknown values
  • Identify transformers and explain how they operate

Performance Tasks

This is a knowledge-based module; there are no performance tasks.

Required Student Materials: NCCER 26201 Trainee Manual (provided as part of tuition)
Outcome Measurement: 35 Question Written Test
Grading Policy: Min. 70% to pass

This course can be taught at your own location. For more information and pricing contact us.

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