How many volts does a wind power line have?

Introduction How many volts does a wind power line have? Wind part – it converts wind energy into mechanical energy; generator part – it converts mechanical energy into electrical energy. Depending on the two parts of the fan, the

How many volts does a wind power line have?

The wind part - it converts wind energy into mechanical energy; the generator part - it converts mechanical energy into electrical energy. Depending on the different structural types used in these two parts of the wind turbine, as well as the different characteristics of the technical solutions they adopt, coupled with their different combinations, wind turbines can be classified into various categories.

1. According to the direction of the main axis of rotation of the fan (i.e. the relative position of the main axis and the ground), it can be divided into: "horizontal axis fan" - the axis of rotation is parallel to the ground and the turbine must change with the direction of the wind. And adjust the position; "vertical axis fan" - the axis of rotation is perpendicular to the ground, the design is relatively simple and the turbine does it. no need to adjust its direction when the wind direction changes.

2. Depending on the number of blades, iThey can be divided into “single-blade”, “double-blade”, “three-blade” and “multi-blade” type fans; by many factors including air energy efficiency, complexity, cost, noise, aesthetic requirements, etc. Large wind turbines can be made up of 1, 2 or 3 blades. Wind turbines with fewer blades generally require higher rotation speeds to extract energy from the wind and are therefore noisier. And if there are too many blades, they will interact with each other and reduce the efficiency of the system. Currently, three-bladed wind turbines are the norm. From an aesthetic point of view, the 3-blade wind turbine looks more balanced and beautiful.

3. Depending on the direction in which the fan receives the wind, there are "upwind types": the front of the turbine faces the direction of the wind (i.e. it turns into the wind in front of the round). ) and "downwind type" - the wheel Return to lin the direction of the wind, two types. Upwind fans usually require some sort of steering device to keep the turbine facing the wind. The downwind fan can automatically align with the wind direction, eliminating the need for a direction adjustment device. However, for downwind fans, because some of the air passes through the tower and then blows toward the turbine, the tower interferes with the airflow flowing through the blades, forming what is known as the tower shadow effect, which reduces performance. (The generally common fans are downwind fans, and Mingyang Wind Power's double-blade fans are downwind fans)

4. Other common classifications: According to the different mechanical connection methods of power transmission, they can be divided into "There are gearbox fans and drive fansdirectly without gearbox. According to the power adjustment method of the blade receiving wind energy, it can be divided into: "fixed pitch unit (stall type)" - the connection between the blade and the hub is fixed, and "fixed pitch unit (stall type)" - the connection between the blade and the hub is fixed, and "fixed pitch unit (stall type) variable pitch” – the blade can rotate around the center of the blade The shaft rotates so that the angle of attack of the blade can be adjusted and changed within a certain range (usually 0 to 90 degrees). Depending on whether the turbine speed is constant or not, it can be divided into: "constant speed wind turbines" and "variable speed wind turbines". According to the classification of wind turbine generator types, they can be divided into two major categories: "asynchronous generator type" and "synchronous generator type". According to the output voltage of the wind turbine, it can generally be divided into: "high voltage wind turbine" - the output voltage of the wind turbine is 10~20kV, or even 40kV, which can save energy.ser the step-up transformer of the wind turbine and connect directly to the grid. "Low voltage wind turbine" - the output voltage is less than 1 kV. Most models currently on the market are of this type.

Adjust the speed of the main motor to the rated value and reduce the resistance of the magnetic field rheostat.

According to information from Sohu.com, the solution to insufficient generator voltage is to adjust the speed of the main motor to the rated value. Reduce the resistance of the field rheostat to increase the excitation current. This can solve the problem of insufficient voltage for domestic wind power generation.

Home wind turbine is a kind of distributed energy source. Domestic wind turbines are mainly used in rural areas, pastoral areas, mountainous areas, the development of large, medium and small towns or in buildings.ts near commercial areas to meet the electricity needs of local users.

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