Table of Contents

To understand electrical theory, it is important to have a grasp of trigonometry. Whether we are talking about single phase or polyphase power, trigonometry is a key concept. This textbook, divided into three sections, provides easy-to-understand and enjoyable lessons on trigonometry, vectors and AC generation for those training and working as electricians.

• 1: Trigonometry

  To have a good grasp of electrical theory it is important to have a grasp of trigonometry. Whether we are talking about single phase or polyphase power, trigonometry is a key concept. The first part of this textbook will look at one of the most basic parts of trigonometry: the triangle.
  • 1.1: Angles
  • 1.2: Triangles
  • 1.3: Pythagoras
  • 1.4: Naming Right Triangle Sides
  • 1.5: Trigonometry Functions
  • 1.6: Power and Impedance Triangles

• 2: Vectors

  • 2.1: A Vector Primer
  • 2.2: Quadrants
  • 2.3: Polar vs. Rectangular Form
  • 2.4: Vector Addition

• 3: AC Generation

  • 3.1: Electromagnetic Induction
  • 3.2: The Alternator
  • 3.3: How a Waveform Is Generated
  • 3.4: AC Waveform Analysis
  • 3.5: Frequency and Alternators

• Back Matter

• Front Matter

  • TitlePage
  • InfoPage
  • Table of Contents