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Originally posted by milltownman
Theres no way to hack power grids
-I am a Chief Powerplant Operator at a mainstem Columbia River dam, in the northwest. I have worked in hydro powerplants, and high voltage switchyards for 27 years.
All large generators are protected by vsarious protective relay schemes, and
are well protected. They are protected for many conditions, such as loss of
excitation, generator ground, generator differential, phase imbalance, negative sequence current, overvoltage, and the list goes on, in the old days, these relays were descrete relays for each function, but now, they are basically microprocessors, and one box has many functions, and the "relays"
As far as comms go, I do know our "computer engineers" both for the ecurity system, and the plant control system, and power system control computers, can get in from home, over the public network, and that access is "deeper" that my access running the plant.