What wind speed is required for a wind turbine with a rotor diameter of 70 meters and a power of 1.5

Introduction What is the wind speed required for a 1.5 MW wind turbine with a rotor diameter of 70 meters to operate at full load? All domestic and foreign 1.5 MW wind turbines, including Weiss?

What wind speed is required for a wind turbine with a rotor diameter of 70 meters and a power of 1.5

The rated wind speeds of all domestic and foreign 1.5MW wind turbines, including Vestas, Gamesa, GE, Goldwind and Sinovel, are between 11-12m/s. In addition, the wheel diameter of 70 meters is relatively small, so it should be installed in a wind area with relatively good wind resources, and the rated wind speed should be higher.

The wind turbine does not work when the wind is strong

It is proportional to the cubic power.

1. The most critical factor in wind power generation is wind size, and wind conditions offshore are generally better than on land. Wind speeds at sea 10 kilometers offshore are typically 20% higher than on land. along the coast. The power generated by wind turbines is proportional to the cube of the wind speed, therefore under the same conditions, the annual power generated by offshore wind turbinescan be 70% higher than that produced on land. At the same time, there are rarely periods of calm wind at sea, so wind turbines can produce electricity for longer. Generally speaking, the annual power generation usage time of onshore wind turbines is around 2,000 hours, while that of offshore wind turbines can often reach more than 3,000 hours.

2. For wind power equipment, the land terrain is complex and rugged, and wind speeds at different heights often vary greatly, resulting in wind shear and turbulence, which exerts higher and lower forces on the wind. unbalanced wheel, which can lead to vibration, fatigue and even blade breakage, and the transmission system is also easily damaged. There are few such risks at sea. Additionally, offshore wind power is mainly built attens of kilometers from the coast, close to the centers of energy consumption, and there is practically no risk of abandoning wind energy.

How many kilowatt hours of electricity does a wind turbine produce?

There is a minimum start-up wind speed when the wind turbine starts when the wind speed is too high. high, there is a maximum protective wind speed (cut-off wind speed). Generally, the cutoff wind speed is the same as the cutoff wind speed. The diameter of the wheel is related, generally around 2.5 M/S. --3.5 M/s, and the cutoff wind speed is also related, usually around 22-25 M/s! I hope this helps you, and I hope you adopt it!

Wind power generates 2 kilowatt hours of electricity per revolution.

The power of wind turbines commonly used in China is around 2,000 kW. When the wind is good, each device can ggenerate about 2 kWh of electricity when it turns once. Although wind power generation relies on wind power, it is unstable as long as the wind speed can reach 3 meters per second, it can produce electricity. And in terms of consumables, we can say that it is “zero cost”.

Compared to thermal energy production, wind energy production can be considered inexpensive and very profitable. Depending on the power of the wind turbine, there are some differences in the amount of electricity that can be generated. The amount of energy generated by a rotation is also fundamentally related to power. Typically, a generator with a power of 1,500 kW can generate 1,500 kWh of electricity in one hour.

Wind power generation prospects

The development prospects of China's wind power and other new energy generation industriesare very large and are expected to continue at a rapid pace. development for a long time to come. Profitability will also steadily increase as the technology matures. After 2009, the total profit of this industry will maintain rapid growth, and the growth rate will also reach more than 60%.

With the development of wind power, its cost-effectiveness provides a competitive advantage over coal power and hydropower. The advantage of wind power is that every time the capacity is doubled, the cost drops by 15%. In recent years, growth in global wind power has remained above 30%. With the localization of installed wind power capacity in China and the increase in electricity generation, the cost of wind power is expected to further decline. Therefore, wind energy has become a place for more and more investment.urs to search for gold.

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