Energy Academy
Level 1: Foundations/Electrical Science Refresher
Level 110 lessons · 82 min

Electrical Science Refresher

Voltage, current, power factor, three-phase basics and the electrical concepts that recur across motors, lighting and metering.

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01AC Fundamentals

  1. ▶Voltage, Current & PowerOhm's law, relationships between V, I, R, and how power is calculated.10 min
  2. ▶AC vs DCWhy buildings use AC, RMS values, and waveforms.9 min
  3. ▶Power Factor & Reactive PowerReal vs reactive power, why power factor matters, and how to improve it.10 min
  4. ▶AC Fundamentals CheckQuiz on voltage, current, power, and power factor.5 min

02Three-Phase Systems

  1. ▶Three-Phase BasicsWhy three-phase is used, phase angles, and line vs phase voltages.10 min
  2. ▶Power in Three-Phase SystemsHow to calculate power, and the advantages over single-phase.9 min
  3. ▶Three-Phase CheckQuiz on three-phase principles and power calculations.5 min

03Electrical Energy Management

  1. ▶Managing Demand & Power FactorHow utilities charge for demand, and practical steps to reduce it.10 min
  2. ▶Metering & Electrical MonitoringWhat energy meters measure, power quality, and harmonic distortion.9 min
  3. ▶Electrical Science CheckQuiz on demand management, power factor, and metering concepts.5 min