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. 01Voltage, Current & PowerOhm's law, relationships between V, I, R, and how power is calculated.10 min
  2. 02AC vs DCWhy buildings use AC, RMS values, and waveforms.9 min
  3. 03Power Factor & Reactive PowerReal vs reactive power, why power factor matters, and how to improve it.10 min
  4. 04AC Fundamentals CheckQuiz on voltage, current, power, and power factor.5 min

02Three-Phase Systems

  1. 01Three-Phase BasicsWhat three-phase power is, why UK sites use it, and the voltages decoded: 400 V vs 415 V, 230 V vs 240 V, and the √3 linking line to phase.10 min
  2. 02Power in Three-Phase SystemsHow to calculate power, and the advantages over single-phase.9 min
  3. 03Three-Phase CheckQuiz on three-phase principles and power calculations.5 min

03Electrical Energy Management

  1. 01Managing Demand & Power FactorHow utilities charge for demand, and practical steps to reduce it.10 min
  2. 02Metering & Electrical MonitoringWhat energy meters measure, power quality, and harmonic distortion.9 min
  3. 03Electrical Science CheckQuiz on demand management, power factor, and metering concepts.5 min