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Wind turbine power calculation questions

By.Johns 2024-09-08 03:26:02 Share on facebook Share on Google Share on Instagram Share on Pinterest Share on Twitter Share on Tumblr Share on WhatsApp Share on Telegram Share on Reddit Visit our Instagram

Introduction Wind turbine power calculation problem: If the kinetic energy acting on the blades per minute is reduced from 30,000 J to 6,000 J, that is, the kinetic energy acting on the blades per second is reduced from 500 J to 1

Wind turbine power calculation questions

If the kinetic energy acting on the blades per minute is reduced from 30,000 J to 6,000 J, that is, the kinetic energy acting on the blades per second is reduced from 500 J to 100 J, that is, the kinetic energy is reduced by 400 J. The power generation is 60 watts, that is, the electrical energy converted per second is 60 joules. The 60 joules of electrical energy come from 400 joules of kinetic energy. The other part of the reduced kinetic energy is used to overcome mechanical friction, etc., indicating that the energy conversion efficiency of the wind turbine is 60/400 =15%.

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