Definition
The property of certain materials to exhibit zero electrical resistance when cooled below a critical temperature, allowing current to flow without I²R losses. Superconducting transmission cables and fault-current limiters have been demonstrated as niche technologies that could dramatically reduce transmission losses and enable compact high-capacity underground links, but they require expensive cryogenic cooling systems and remain far from widespread deployment in the North American bulk power system.
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Topic Deck
Electrical Engineering Fundamentals
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Source
FERC Pro Forma OATT / LGIP