How powerful is the wind turbine with blades of more than 90 meters?

Introduction How powerful is a 90-meter blade wind turbine with a power of 10 megawatts? The B900A blade is more than 90 meters long and was successfully developed in June last year. It is currently the wind turbine with the largest power level in China.

How powerful is the wind turbine with blades of more than 90 meters?

10 MW power.

The B900A blade is more than 90 meters long and was successfully developed in June last year. It is currently the wind turbine blade with the largest power level in China. After passing relevant certifications and experiments, the first set of three blades officially rolled off the production line, which means that the 10-megawatt wind turbine blades have entered the mass production stage.

The destination of type 900A blades is Xinghua Bay, Fujian. After being sent to the Three Gorges Industrial Park in Xinghua Bay, Fujian, this set of blades will be equipped with China's first 10-megawatt wind turbine also developed by Dongfang Electric and installed at the Xinghua Bay test base. Barring any unexpected events, the 10-MW wind turbine will be hoisted around May this year.

How often do wind turbine blades need to be replaced?

The blades of micro wind turbines are generally made of wood, metal cold stamping or injection molding processes;

Small wind turbine blades are generally handmade from metal or fiberglass, with fiberglass blades being the most popular and practical blades;

Large wind turbine blades are generally handmade from fiberglass.

How many meters do the leaves of wind power generation grow in 20 years?

The wind turbine blade is a thin shell structure made of composite materials. The structure is divided into three parts: root, shell and keel. There are many types, including pointed head, flat head, hook head, tip with flaps, etc. The manufacturing process mainly includes male mold, turning over female mold, lamination, heating and curing, demoulding, surface grinding, spray painting, etc. Design difficulties include aerodynamic design of the blade shape, strength, fatigue, noise design, and composite material layup design. The technical difficulties mainly include positive mold processing, mold remaking, and resin system selection. The blade is a large composite material structure, and more than 90% of its weight is composed of composite materials. Each generator generally has three blades, and each generator requires as much as four tons of composite materials.

Maintenance of blades. Cracks on the surface of the blades will generally appear after the wind turbine has been running for 2-3 years. Cracks are caused by low temperature and natural vibration of the unit. If the crack appears 8-15 meters away from the root of the blade, the crack will deepen and lengthen every time the wind turbine vibrates or stops. While the cracks are expanding, dirt and wind and sand in the air enter, causing the cracks to deepen and widen. Cracks seriously threaten the safety of the blades and can cause the blades to crack, and transverse cracks can cause the blades to break. If transverse cracks occur, zipper reinforcement and restoration must be used. Zipper reinforcement and restoration means using special tie bars to bond and repair the blade back to its original plane.

The leaves of wind power plants grow between 34 meters and 88 meters long. The blade length of a wind turbine will vary depending on the size and model of the wind turbine. Small wind turbines have blade lengths of several meters, while large commercial wind turbines can have blade lengths of tens of meters. Wind power of 1.5 megawatts (MW) Generator, its blade length is between 34 and 45 meters, and the corresponding tower height (hub height) is 65 to 100meters. For a 2 MW wind turbine, the blade length is between 48 and 59 meters, and the corresponding hub height is 80 to 100 meters. For a 3 MW wind turbine, the blade length is between 44 and 59 meters. The corresponding hub height is 80 to 110 meters. The largest known wind turbine blade in the world has a length of 88 meters and is manufactured by a factory in Denmark. Wind power is the process of using wind power to drive wind turbines and then converting the wind energy into electricity. This clean energy technology is widely used around the world because it helps reduce dependence on fossil fuels and reduces greenhouse gases. emission.

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