"Milspec390@xxxxxxx
wrote:
Dear Kaskey Family y Explorers of the Ether; 670 Rebelde last week wobbled typically briefly w/decreasing pitch & wobble rate. Fatuous erroneous speculation - gut instinct: generator trip, momentary instability. System stabilizes, wobble rate & deviation decrease to zero. Corroborative? Si? No?"Milly-Paul, May be good point. May be not. In a large-scale system like up here in NA, such an instability would be near disaster. So many different generators of so many different types in system. Instability like you outline could/would propagate out into the system and throw stuff into disarray. Local utilities could/would likely "island" themselves from national system until system is restarted. Chaos. Some local utilities would have good balance of generation and load and could "island" successfully. But other local utilities would have a wide unbalance of generation and load because of buying or selling large quantities of juice elsewhere. They "island" and then maybe have too much load and have to start shedding load (blackouts) until larger system restarts. The virtue of a rinky-dink system like Cuba's could be a plus in a situation like above. Too simple and dumb to care. Still, kinda doubt it. Even four or five generators of different sizes and types would get unsynchronized (frequency and phase) and the whole system just collapses. No big problem. Blackouts. But, hey, they have blackouts purty dern often anyway. Just another day/week/month in Worker's Paradise. Even just a mid-scale system like Philippines has real problems like Cuba's. Blackouts occur pretty often there, too. Complexity of mid-scale system works against it it too. Analyzing a mega large-scale system like in North America still is impossible. No "number-crunching" computers developed can analyze such a system. Just some approximations and multiple guessing in artificial "contingiences" will have to do. But we're approaching a point where successful analysis will be possible. Not "if" but "when." Above words are weighed carefully before I send this almost-OT message out. Buncha folks will have deleted it because it's too long & wordy. Poop! What's a mother to do? At least maybe I can offend everyone simultaneously/at same time. A "talent." Charles --
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Charles A & Leonor L Taylor
Greenville, North Carolina
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