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 Re: Keystone XL pipeline
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Joined: Jan 2005
Posts: 3,954
Loquacious
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Loquacious
Joined: Jan 2005
Posts: 3,954 |
Quote:
Actually, compared to most steam and gas turbines, the turbines used at Hoover (and other Dams) do turn rather slowly, yet still produce 60 HZ power. There's a nice little relationship between number of poles, rotor speed and frequency that dictate rotor speed.
Correct, 180RPM's at the Hoover Dam Powerplant. Wind turbine blades turn at 5-20RPM, but are run through a gearbox and actually turn the genset at 750-3600 rpm. Rather pokey, huh?
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