Usually, more than three blades are low-speed blades, and less than three blades are high-speed blades. This means that more blades does not mean an increase in the efficiency of the wind turbine. starting torque of the wind turbine. Fewer blades does not necessarily mean an increase in the efficiency of the wind turbine. The ability to increase speed depends on the shape of the blades you design. it is recommended to consult Qingdao Fengwang Wind Turbine Co., Ltd.
The company has a long history in wind turbine production and is relatively professional.
The wind turbine fan blades are so narrow, will a lot of wind power be missed? Why?
For automobile generators to make wind turbines, the speed of 120 rpm is far from enough, it can only produce electricity when it reaches at least 800 to 1000 rpm. If you do not modify the generaltor and want to use it as a wind turbine, you need to increase the transmission ratio of the transmission gear. The higher it is, the better. , because you are the car's charging system and the system will automatically adjust. Yes, there will be no problem. You want the car engine to be running at least several thousand rpm at high speed and the generator will have no problems. The only thing you worry about is whether the pneumatic system, bracket and transmission assembly you made can withstand the test under strong winds, haha.
How many sections does the transport does Chinese retractable wind blades have?
I feel like I've said it all, but I can't understand. Is the so-called size comparable to the electric fan? There are two types of fan leaves. I forgot the specific theory, but the purpose of the fanis to generate more wind, and the purpose of wind power generation is to use more wind energy and generate a force that turns it. , which is the direction generated by the curvature of the fan leaves. But there is a problem with wind power: the area it blows is very large. If the fan area is too large, firstly, the thrust force is too large and the wind turbine will fall. is too weak (fan surface area is too large). Most wind energy cannot be converted into lateral thrust). How to calculate it specifically can be read in a document. Last year I built a small wind turbine. This part is part of the theory, but I really don't remember it clearly. The fan blades used are only 12% efficient. Is it very big? Its lateral pressure is too low compared to the vertical pressure. In addition, the purpose of ventilationeur is to generate wind over a larger area. As the area is not enough, the head swing function is added, I put this thing on the wind turbine without discussing whether it can be erected (it is possible). this can be done by digging a deeper foundation and changing the support material, reduce the fan area - the whole science is about sacrificing some part of performance in exchange for the most desired results), but efficiency is really too much. weak. As I said before, the little wind power I produced. The generator efficiency is only about 12%, which is far from the highest level of 50+! !
Why do wind turbines have two blades instead of three, four or more? Isn't it more practical...
< strong>The Chinese retractable? The wind blade transport truck has three sections. Blade transport equipmentthree-section extractable wind turbines, the transport equipment solves the problem of extractable wind powerWhen the traction beams of the blade transport vehicle are completely closed, the entire length is occupied by the bolts and beams at the front end of each tension beam. When the telescopic wind turbine blade transporter is completely closed, each traction beam completely penetrates the outer sleeve beam, thereby ensuring to the greatest extent that the maximum traction length can be achieved under the premise that the telescopic wind turbine blade transporter Telescopic wind turbine blades are fully enclosed and have a certain length. Meet the transportation requirements of wind turbine blades.
Fan pallet truck
Fan pallet truck is a kind of semi-trailer. Because it is very long, it generally adopts an extractable structure. The front sectionst are pulled outwards. The final section of the traction can be up to 45 meters long. As the vehicle is long, hydraulic steering is generally used. The bridge system includes a two-line four-bridge structure and a three-lane bridge structure.
1. The larger the area, the greater the resistance and it is easy to be destroyed in a hurricane. And the greater the resistance, the greater the energy loss.
2. The blade is one of the highest costs of the entire wind turbine, which can reduce costs.
3. Based on a blade length of 34 meters, when the wind is strong, the speed of the blade tip exceeds the speed of sound, causing special air waves. I'm not an expert, so I can't explain it. more clearly.
4. It seems that the 120 degree angle is also good for stress.