Abstract
The article discusses the development of a mathematical model of a combined wind turbine of a multi-modular wind power plant, which makes it possible to control the operation of wind turbines with the greatest efficiency, changing the operating modes of the installation depending on the wind flow entering the inlet. The implementation of the developed model at a multi-module wind station allowed us to obtain a maximum wind utilization factor of 0.35-0.47 at any wind speeds, as well as at low wind speeds to increase the initial torque of the wind wheel by 4 times in comparison with typical power plants.
Highlights
A significant part of the territory of Russia is located in the zone of decentralized power supply, and in most regions the average wind speed does not exceed 4 m/s, so the use of traditional wind power plants (WPP) becomes economically inexpedient [1]
The problem of a more complete use of the wind potential can be solved by using multimodular wind power plants, consisting of modules, which are combined reconfigurable wind turbines (CRWT), combining the advantages of low-speed and highspeed wind turbines (WT) [7, 8]
The obtained characteristics make it possible to determine the number of revolutions of the WT, at which the maximum for each value of the wind speed will be reached, which makes it possible to adjust the operation of the WT to obtain a high utilization of wind energy
Summary
A significant part of the territory of Russia is located in the zone of decentralized power supply, and in most regions the average wind speed does not exceed 4 m/s, so the use of traditional wind power plants (WPP) becomes economically inexpedient [1]. Using the huge wind potential of Russia (more than 50,000 billion kWh/year) can provide about 30% of the country's electricity generated [2, 3, 4, 5, 6]. The problem of a more complete use of the wind potential can be solved by using multimodular wind power plants, consisting of modules, which are combined reconfigurable wind turbines (CRWT), combining the advantages of low-speed (multi-blade) and highspeed (low-blade) wind turbines (WT) [7, 8]
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