Array type wind power generation system

Abstract

The invention discloses an array type wind power generation system. The array type wind power generation system comprises a grid connection device, a booster device, an inverter device, current collection devices, small wind turbine controllers, a central control cabinet and at least two minitype wind generators with the same generated power characteristics. The array type wind power generation system solves the problem that a small wind turbine generator system can not complete large-scale networking power generation at a low cost. The minitype wind generators with the same generated power characteristics are connected in series and combined in an overlapping mode to form a wind power generation system with the large-scale wind power generation capacity, and the array type wind power generation system belongs to the technology of wind power generation systems which can complete the whole wind power generation and grid connection process, the air energy utilization space can be expanded to wind fields on the tops of city buildings, wind fields in noise sensitive regions and large or small wind energy fields where other large-scale wind turbine generators are not suitable for being utilized and certain wind energy utilization conditions exist, the array type wind power generation system with the optimal and maximum installed capacity can be arranged according to distribution characteristics of resources in the wind fields, and more wind energy electric power can be combined to a power grid.

Description

technical field [0001] The invention belongs to the technical field of development and utilization of wind energy, and in particular relates to an array type wind power generation system. Background technique [0002] The development and utilization of wind energy, the collection and utilization of natural wind energy into electric energy through wind turbines is an important part of the development and utilization of renewable energy around the world. In recent years, with the development of wind turbine development and manufacturing technology, wind power has gained However, the wind turbines used to produce electricity are mainly units with a single power of 100 kilowatts or more, such as 0.5 MW, 1 MW, 1.5 MW, and 2 MW. In terms of natural conditions, the use of this type of unit must firstly have a good wind field, and secondly, the wind turbine must use a high steel tower to erect the unit generator in the air, and there must be a large open space. The third is tha...

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Problems solved by technology

[0002] The development and utilization of wind energy, the collection and utilization of natural wind energy into electric energy through wind turbines is an important part of the development and utilization of renewable energy around the world. In recent years, with the development of wind turbine development and manufacturing technology, wind power has gained However, the wind turbines used to produce electricity are mainly units with a single power of 100 kilowatts or more, such as 0.5 MW, 1 MW, 1.5 MW, and 2 MW. In terms of natural conditions, the use of this type of unit must firstly have a good wind field, and secondly, the wind turbine must use a high steel tower to erect the unit generator in the air, and there must be a large open space. The third is that the blades of the unit are very long, and the wind-receiving area can only be a circle drawn by the rotation of the large wind blades. It is difficult to effectively develop wind energy in areas that meet the above conditions. In terms of technical conditions, first of all, the particularly small (below 1,000 watts) wind turbines with insufficient stand-alone power cannot achieve economically meaningful power generation and grid conditions, that is, wind power. The cost is tens, hundreds, or thousands of times that of coal-fired electricity. Secondly, the amount of electricity produced is small and meaningless to be connected to the grid, and it is difficult to be effectively used if it is not connected to the grid. If there is a technology that can superimpose the power generation capacity of N small wind turbines together to form a large-scale power generation capacity, it can realize scale in wind farm locations and areas where large wind turbines are not suitable for use. The utilization of wind power generation will be able to effectively expand the development and utilization rate of wind energy, and bring the utilization of wind energy to a new level.

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