1 Why 3 Phase Power? Why not 6 or 12?
An industry veteran explains why power grids settled on three phases rather than six or twelve, cited in debates about transmission efficiency.
Topic
power systems
2 videos. Ranked by independent recommendations, not by views.
2 Awesome Disconnector Switching with ❙ Electric Arc (ep-1)
Footage of arcs forming when high voltage switches open, used to illustrate how hard interrupting large currents is and why arc control matters.
