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April 20, 2014

Homework Help: Physics

Posted by Oddbjørn on Thursday, December 2, 2010 at 2:31pm.

Hello agein, a biger question this time.

Height difference H 180 meters
Flow T 3000 tons / second
Delivery 4.2 GW P

a)
How large is the efficiency of the plant through the turbines?

b)
From turbine power plant goes through a cable stretch over a long stretch. The efficiency of this stretch is estimated to be 0.62 (62%).

How much effect can be taken out of a maximum cable migration on the supply side?

c)
How large is the overall efficiency of the plant from the dam to the delivery point

Thanks for your help

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