ac power

History of Electricity with Kathy Joseph (Kathy Loves Physics) — EEVblog 1506

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3-phase motor history.  Tesla.  AC power.  Alternating current.  Power grid. https://www.youtube.com/watch?v=4EcQYK_no5M   a general overview of the history of electricity: Ancient Discoveries: The concept of electricity has been known since ancient times, with early civilizations observing phenomena such as static electricity through rubbing certain materials together. Benjamin Franklin and Lightning: In the 18th century, Benjamin … Read more

“Earthing”, Electrical Grounding and the Power Grid — Where Does Grounded Electricity Actually Go?

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“The ground is really just another wire…although not a great one.” ~ 7:50 in Current doesn’t flow to the ground; it flows through the ground and back up. If there is electricity moving into the ground from an energized conductor, go back to the source of that conductor and see what’s happening. For the grid, … Read more

138 kV High Voltage Substation Visit

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https://www.youtube.com/watch?v=-RBp8jOUA1U   CGPT A 138 kV (kilovolt) power grid substation is a critical component of the electrical distribution network, serving as a key node in the transmission system to step down high-voltage electricity from the transmission lines to lower voltages suitable for distribution to homes, businesses, and other end users. Here’s a detailed look into … Read more