• EEVblog 1730 - AC Basics Tutorial Part 8: Apparent, Reactive & Real Power EEVblogJanuary 15, 2026EEVblog,TutorialsComments Offon EEVblog 1730 - AC Basics Tutorial Part 8: Apparent, Reactive & Real Power5,334 Views Facebook Twitter LinkedIn Part 8 of the AC Basics tutorial series. • Looking at the difference between Apparent, Reactive, and Real Power. • Plus Power Factor 00:00 - Voltage & Current phase relationship02:28 - Real Power07:09 - Apparent Power12:02 - Power transmission systems and copper losses17:45 - Reactive Power20:17 - It’s all a Fugazi, it doesn’t exist21:52 - Power Triangle23:46 - Power Factor AC Tutorial Playlist:https://www.youtube.com/playlist?list=PLvOlSehNtuHvD6M_7WeN071OVsZFE0_q- DC Tutorial Playlist:https://www.youtube.com/playlist?list=PLvOlSehNtuHtVLq2MDPIz82BWMIZcuwhK Forum:https://www.eevblog.com/forum/blog/eevblog-1730-ac-basics-tutorial-part-8-apparent-reactive-real-power/ Podcast:Download
Article Summaries:
- EEVblog’s “AC Basics Tutorial Part 8” continues the series on alternating‑current fundamentals, focusing on the distinctions among apparent, reactive, and real power and the concept of power factor. The video explains voltage‑current phase relationships, then details real power (the useful work done), apparent power (total voltage‑current product), and reactive power (energy oscillating between source and load). It discusses how power transmission systems suffer copper losses, debunks the myth that reactive power is “non‑existent,” and illustrates the relationships with a power‑triangle diagram. The tutorial concludes with a concise overview of power factor and its importance in AC systems.
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