Coordination control method for wind turbine generator set participating in automatic power generation control of power system

Abstract

The invention discloses a coordination control method for a wind turbine generator set participating in the automatic power generation control of a power system, and the method comprises the steps that a wind power plant transmits the ultrashort term predicted values of real-time power output and wind power output of the wind turbine generator set to a provincial dispatching center; the provincial dispatching center calculates the adjustment capacity and creep speed of the wind turbine generator set, capable of participating in the automatic power generation control, in an administrative region; a regional dispatching center employs model prediction to control and calculate the adjustment power of the wind turbine generator set and a conventional set; the provincial dispatching center distributes the adjustment power according to a proportion; and the wind power plant adjusts the wind active power output through a wind power plant AGC system. The method is advantageous in that the method effectively evaluates the adjustment capacity and performance of the wind turbine generator set participating in the automatic power generation control of the power system through the mutual coordination of the regional dispatching center, the provincial dispatching center and the wind power plant; the method gives full consideration to the operation characteristics and adjustment capabilities of various types of frequency modulation resources in the power system; the method achieves a purpose that the wind turbine generator set participates the automatic power generation control of the power system; and the method improves the stability and economics of a system.

Description

technical field [0001] The invention belongs to the field of automatic power generation control of an electric power system, and in particular relates to a coordinated control method for wind turbines to participate in the automatic power generation control of the electric power system. Background technique [0002] Power system frequency is an important indicator of power quality, which reflects the balance between active power and load. In order to ensure the frequency stability of the system and meet the needs of user equipment, power plant equipment and the normal operation of the power system, the automatic generation control (Automation Generation Control, AGC) of the power system is widely used to adjust the output of the generator set to meet the changing needs of users . [0003] In recent years, under the double impetus of energy crisis and environmental protection pressure, wind power, solar energy and other new energy power generation technologies have developed...

AI Technical Summary

Problems solved by technology

[0005] However, the performance of wind turbines participating in the automatic power generation control of the power system will be affected by the following factors: the upper limit of frequency modulation output of wind turbines is restricted by the upper limit of wind power output. Although the ultra-short-term prediction accuracy of wind power output is constantly improving, there are still some errors; Different from traditional units, the climbing ra

Images