Fundamentals of Alternating Current
Description:
The fundamentals of alternating current and the reason why it can be used in the power distribution system
Learning Outcome:
Upon the completion of this module, you will be able to:
- Explain alternating current.
- Explain sine waves
- Define peak-to-peak, RMS, and average voltage values.
- Explain the sine wave relationships in resistive, inductive, and capacitive circuits.
Topic 1: Alternating Current Theory
- Topic Introduction and Objectives
- Nature of a Sine Wave
- Sine Wave in a Simple AC Generator
- How AC Works
- Frequency of Voltage
- Check-Point Question
- Topic Summary
Topic 2: Components of a Sine Wave
- Topic Introduction and Objectives
- Peak-to-Peak, RMS, and Average
- Check-Point Question
- Topic Summary
Topic 3: Using Sine Waves and Vector Diagrams
- Topic Introduction and Objectives
- Sine Wave Relationships in Resistive Circuits
- A Mnemonic for Sine Wave Relationships
- Sine Wave Relationships in a Three-Phase Circuit
- Check-Point Question
- Vector or Phasor Diagrams
- Equation for Calculating Total Current
- Calculating Total Current: An Example
- Connecting Vectors to Form a Triangle
- Using Triangles to Solve AC Problem
- Check-Point Question
- Check-Point Question
- Topic Summary
- Assessment
