The December 2023 issue of IEEE Spectrum is here!

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iCandy: Electronics for Power and Play

A giant circuit breaker, a virtual pop star, and a wind turbine at a ballpark

1 min read

Photo: Siemens
These aren’t rabbit-ear antennas for a giant TV set. The unit is actually the world’s first circuit breaker capable of switching on and off power lines that carry 1.2 megavolts. It was created by Siemens at the behest of the Indian government. India wants to upgrade its 800-kilovolt transmission lines to 1.2-MV ones, because costly power losses diminish as voltage is stepped up.

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