How Wind Turbines Work? Working of Wind Turbine Explained with 3D Animation

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00:00In fact, as early as 250 years ago, humans used wind power to create windmills to replace

00:06labor-intensive tasks such as grinding flour and pumping water.

00:10Later, engineers stood on the shoulders of the ancients and began to improve the windmills,

00:15thus converting wind energy into a considerable amount of electrical energy.

00:19Nowadays, under moderate wind speed conditions, the power generated by a common commercial

00:25wind turbine in one day can meet the electricity needs of hundreds of households for a month.

00:30So how is all this achieved?

00:32Observe the blades of the wind turbine.

00:35We will find that they do not have a flat blade shape, but have a certain curvature

00:39like a helicopter propeller.

00:40When the wind blows over the blade, the airflow rate above will be faster than that below,

00:46causing the pressure above to be much higher.

00:49If the pressure above is greater than that below, this will prompt the airflow below

00:53to flow upward quickly, thereby generating an upward thrust to make the blades start

00:58to rotate.

00:59This achieves the rotation posture we often see, and in order to make full use of different

01:04wind speeds, the blades will move.

01:07Additionally, to maintain the best windward angle, the sensor on the top of the cabin

01:11will monitor the wind direction in real time and ensure that the wind turbine is always

01:17facing the appropriate direction through the coordinated operation of the yaw system and

01:22yaw motor.

01:22We can't help but wonder whether the faster the wind blades rotate, the higher the power

01:27generation efficiency.

01:28This is theoretically true, but due to problems such as mechanical strength and noise, we

01:34cannot allow them to rotate rapidly, otherwise it will cause an unimaginable disaster.

01:39Engineers also installed a brake in the nacelle behind the rotating shaft to allow the blades

01:45to rotate at a slower speed.

01:46But paradoxically, such a speed cannot produce effective electrical energy, so we also need

01:52to add a set of gears to the rotating shaft.

01:55The box and the operation of the planetary gear set successfully push the rotational

02:00speed dozens of times, then transfer the rotating mechanical energy to the generator and successfully

02:07produce a large amount of electrical energy.

02:09Finally, the electrical energy is transported to the transformer at the bottom of the tower

02:14through cables for distribution to people's use.

02:17If you found this information valuable, feel free to like, comment, share, and subscribe

02:22for more insightful content on renewable energy and engineering marvels.

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