易于交谈 发表于 2025-3-28 15:10:23

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裂缝 发表于 2025-3-28 19:36:34

https://doi.org/10.1057/9780230389939Germany; revolution; Russia; Union of Soviet Socialist Republics (USSR)

BRIBE 发表于 2025-3-29 01:15:10

Carina Jasmin Englert,Phillip RoslonThe age of protection began some 105 years ago, when control apparatus were for the first time connected to current and voltage transformers, which reduced the primary currents and voltages to secondary levels. The secondary currents and voltages could be processed to generate TRIP or NO-TRIP decisions.
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