Alternative Energy Sources

1. Ecko Said,

   As the wind passes through the blades they rotate a shaft. This shaft is connected to an electrical generator, often through gears, so that the speed increases. The power generated depends on the wind speed, and there is also a threshold wind speed below which the generator does not work at all. In a good location the average power generated my be about 30% of the maximum power it can generate.

   When connected to an electricity grid as in a wind farm, special arrangements of the generator are required to allow it to synchronise with the grid.
   References :

2. monophoto Said,

   Wind causes the wind turbine to rotate.

   The wind turbine is connected to a generator by a shaft, so the generator also rotates.

   The rotation of the generator causes a magnetic field to rotate inside the generator. The interaction between this rotating magnetic field and the stationary winding of the generator stator cause a voltage to be induced in the stator winding. This voltage then drives an electrical current.

   The turbine converts wind energy into rotational mechanical energy.

   The generator converts the rotational mechanical energy into electrical energy.
   References :

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