No. Wind energy production does not need to be transformed via telephone poles. The wind energy generated by the wind turbine only needs simple transformation and rectification processing. The voltage is adjusted to the required voltage via the transformer and the alternating current is rectified to direct current. produce hydrogen. Wind turbines are electrical equipment that convert wind energy into mechanical work, which causes the rotor to rotate and ultimately produces alternating current.
First of all: According to my colleagues' analysis and calculation, polygons save more material when using the same resistance. It can also be said that polygons have greater strength when using the same materials. However, the former does not save much material and the strength of the latter does not increase much. In fact, it can also be seen that except for the trellis typelis (which is relatively rare now) and the mast type of small wind turbines, the towers of traditional large wind turbines are all spinal tubular. In addition, the domestic production of spinal canal towers is relatively mature.
Then, the tower height of large wind turbines (1 to 3 MW) is generally (60 to 90 meters) and is generally composed of 2 to 3 sections of conical tubular steel towers (85 meters should be 3 sections). ). Each layer is connected by high-strength bolts in the form of internal flanges. Each tower section is welded from multiple tapered sections with different wall thicknesses based on strength analysis, modal analysis and actual conditions. Each flange is generally forged in one piece, the whole welding of the tower is very strict (the standards I am talking about must comply with DIN****), and almost all welds require detection ofdefaults.
In addition, usually each section of the tower of a large wind turbine is not shaped like a spiral, but each small section is deployed separately.
The 2MW unit at my home including the entire unit has just been completed. I've helped replay most of the rounds, but there's still a lot to learn and expand on. As for the analysis mentioned above, one of my colleagues calculated it specifically, but I don't know if it is accurate or not, because I didn't think about it and didn't calculate it myself- same, but I just reviewed the dimensions.
That's all. I wish you good luck.
In addition, the price comparison between polygons and spinal canals is also relative. For example, if I am looking for a manufacturer to make lathes in Shenyang area, if the quantity is small, I may not be suitable. If I can go to a professional wind tower production sitenes, while nearby manufacturers specialize in making steel polygonal towers (such as those used in the electrical industry although they also supply tapered towers), then the polygonal towers I have purchased elsewhere are cheaper than the polygonal towers I bought elsewhere. conical tubular towers. The difference is around 8,000 per ton and over 10,000 per ton.