What data is needed to calculate wind power generation voltage and how to calculate it?

Introduction What data is needed to calculate wind power generation voltage and how to calculate it? First, your question is too general. The wind energy that the wind turbine can absorb P=1/2 (CpρπR^2U^3

What data is needed to calculate wind power generation voltage and how to calculate it?

First of all, your question is too general.

The wind energy that the wind turbine can absorb P=1/2 (CpρπR^2U^3). In simple terms, the wind energy absorbed by the wind turbine is proportional to the cube of the wind speed, where Cp is the wind energy utilization coefficient. And this is only the theoretical power absorbed by the wind wheel. If it reaches the generator through the transmission system, there will be a loss.

As for the actual voltage, current and power output by the generator you asked about, they are determined based on the working conditions and power characteristics of the engine. For example, for some medium-sized machines, the voltage is. 670 V at rated wind speed. The power is 750 kW. Most generators are rated between several thousand and tens of thousands of volts. After its release, it must be amplified by the processing stationnsformation and filtered to remove harmonics before being provided to the Internet.

I hope this can help you

If you are a beginner, I suggest you buy two books,

"Wind Engineering and Industrial Aerodynamics" by He Dexin.

"Wind Energy Technology" written by Tony Burton and translated by Wu Xin and others

The question you added is that the custom is between 10 m/s and 20 m/s, and the electricity is produced between 20 and 30V Of course there is absolutely no problem.

As for the cost, it cannot be determined immediately. If you already have a good usage address, i.e. a wind farm, it will not cost you much to produce such a small amount of electricity. can use a small vertical axis wind turbine is placed on the roof and can be directly driven. The main cost is the engine, and everything else is cheap. You have completed the overall design plan, thens ask the parts supplier for a price. There's no need for a tower or large-scale lift, and it doesn't cost a lot of money.

By the way, sending this little call, haha, it's not worth it, personal opinion. I wish you good work

3000 seems a bit high. The key is that it is your own new idea. This is not a mass-produced product and the labor cost is very high.

Parts like small motors + gears + wires + bearings are relatively easy to tell, but your blades, steering gears, brake pads, etc. are relatively easy to tell. must be specially made unless you are a carpenter or lathe, otherwise. 3000 should be If you can't download it, you should save space, add a little budget, try to save as much as possible, maybe it will work, because your machine is small and the technical requirements are not not very high.

How about searching for a full set of suppliers directly? There are complete manufacturers of small wind turbines, and some buy more than 2,000 pieces.

In principle, it is possible for It is possible to start a sole proprietorship, but in reality it is more difficult. The main problem is Internet access. To access the Internet, you must obtain Internet access authorization from the Electric Power Department. However, it is difficult to meet the network access requirements of the electric power department by building electrical installations with your own network. own strength. In addition, the issue of electricity prices is also a major problem. So far, small wind farms with one or two turbines have not been approved. It is estimated that the National Development and Reform Commission will also have difficulty approving them. electricity prices forthese small wind farms. Furthermore, for very small wind farms, it is not economically profitable to apply for CDM subsidies.

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