This is shown in a video which talks about a disc-type wind turbine without an iron core. What is th

Introduction This is shown in a video which talks about a disc-type wind turbine without an iron core. What is the small capacitor next to the coil winding? What is the Chinese name: Capacitor Foreign name: cap

This is shown in a video which talks about a disc-type wind turbine without an iron core. What is th

Chinese name: capacitor

Foreign name: capacitor

Use of capacitor: device for accommodating charge

Formula for determining capacitance: C = εs / 4πkd

Symbol: C

Capacitance expression: direct scaling method, etc.

Capacitance definition formula: C=Q/U

Wind power is not a stable energy source, the speed of the blades is closely related to the size of the wind force, the size of the working torque and the shape of the blades. Generally, in order to obtain a relatively stable rotation speed, a variable ratio transmission device is often used to obtain a relatively constant rotation speed to drive the generator.

In order to achieve relatively high power generation efficiency, wind turbines often use permanent generators with neodymium, iron and boron magnets with high magnetic energy. If not used forthe production of electricity connected to the grid in order to benefit from state subsidies, it is used to charge batteries in areas where electricity supply is difficult (such as signal relay stations, etc.).

Calculating the number of turns in a generator is no different from calculating the number of turns in an ordinary permanent magnet generator.

To calculate the number of revolutions, you need to understand the following quantities: the speed of the generator n, the output voltage V, the number of pole pairs of the motor P and the maximum magnetic flux Φ passing through the coil. Suppose the number of revolutions required by the generator is x.

Then V=2πnPΦx/√2=4.44nPΦx

That is to say x=4.44nPΦ/V

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