Learning chapter

Fundamentals & Laws

2 lessons

Electrical fundamentals: AC vs DC, active and reactive power, electricity flow, and Ohm, Faraday and Kirchhoff laws.

This chapter collects 2 illustrated lessons on Fundamentals & Laws as part of Marine Electrical Systems, ordered as they are best studied. It opens with Electrical Fundamentals — Current, Power & Laws, Phase, RMS Value & Power Factor Explained. Each lesson is written for MEO oral and written preparation: definitions first, then how the system behaves, then the checks and figures used in practice.

Explore the lessons

01 Electrical Fundamentals — Current, Power & LawsLearn electrical fundamentals: AC vs DC comparison, active and reactive power with phase angle, and Ohm, Faraday and Kirchhoff laws.4 sections 02 Phase, RMS Value & Power Factor ExplainedLearn phase, three-phase 120 degree shift, RMS peak over root 2, power factor meaning cos phi, 0.8 shipboard value, capacitor bank improvement, and motor kW vs alternator kVA ratings.3 sections