How does a wind turbine generate electricity when the wind is low?

Introduction How do wind turbines generate electricity when the wind is low? Large wind turbines do not generate electricity before cutting into the wind speed (about 3.5m/s). They adjust the slurry before the rated wind speed to track the maximum power; small

How does a wind turbine generate electricity when the wind is low?

Large-scale wind turbines do not generate electricity before cutting into the wind speed (about 3.5m/s). They adjust the pulp before the rated wind speed to track the maximum power;

Small wind turbines have an energy gathering device. Improving power generation efficiency by increasing wind speed has expansion (better effect) and shrinkage (not obvious effect), but it is less used now

Problems with wind power generation

Due to wind power Power generation depends on wind conditions. When there is no wind, the power grid needs to start some thermal generating units to compensate for the lack of power generation caused by the absence of wind. However, it takes time to start the thermal generating units and cannot be done when the wind power generation is shut down. Immediately generate electricity to make up for it, so now the power grid requires wind power plants to install battery banks. When the wind suddenly decreases, the battery banks can maintain power supply for a period of time, allowing other generators to start and replace the wind turbines.

How do wind turbines generate electricity?

1: The blades of the windmill must be enlarged so that the windmill has enough power to drive the generator. The bigger the blades, the better.

2: The power of the windmill has increased, but the speed is not enough. You can give the generator a 2x gear to drive the generator. That is to say, one rotation of the windmill will drive the generator to rotate twice (professional The same principle applies to wind turbines) The prerequisite wind force must be sufficient. Coastal areas are best suited for wind power generation. Do not change the number of turns inside the generator. Your generator should be able to generate 14-18V voltage, and the power should be 200W. The simpler you make it, the better. The more complicated it is, the more power it will consume. (It’s also my hobby to ask me if you have any questions)

I think: This is the science of wind turbine design.

1. Very small damping and very little power can make it run.

2. The shape of the propeller blade is scientifically designed on the windward side.

3. Due to the large area of ​​the propeller and the super height of the wind turbine, even if you don't feel the wind at low ground level, it does not mean that there is no air flow at high altitude.

To sum up, wind turbines can operate even when you feel there is no wind.

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