Electric heat storage peak regulation and frequency modulation control system and control method thereof

Abstract

The invention discloses an electric heat storage frequency modulation and peak regulation control system and a control method thereof. The system comprises an electric heat storage system, a turbine power generation system, an electric heat storage power generation control system and a peak regulation and frequency modulation system. The electric heat storage system is connected with the turbine power generation system and used for converting electric energy into heat energy, and the turbine power generation system is used for converting heat energy into electric energy; the electric heat storage system and the turbine power generation system are in communication connection with the electric heat storage power generation control system. The peak and frequency modulation system comprises a peak and frequency modulation switching device and a peak and frequency modulation management control system, and the peak and frequency modulation switching device is electrically connected with the input end of the electric heat storage system and the output end of the turbine power generation system; the peak and frequency regulation management control system is in communication connection with the peak and frequency regulation switching device, the electric heat storage power generation control system and the external power grid dispatching system. According to the invention, by arranging the peak regulation and frequency modulation system, the internet load regulation range is further expanded, the response speed of the system is improved, and the flexible peak regulation and frequency modulation of the system are better realized.

Description

technical field [0001] The invention relates to the field of power grid peak regulation and frequency regulation, in particular to an electric storage heat storage peak regulation frequency regulation control system and a control method thereof. Background technique [0002] The proportion of traditional thermal power units is gradually decreasing, the installed capacity of new energy is increasing rapidly, the fluctuation of power generation and load ends of the power grid is showing an increasing trend, and the demand for peak regulation and frequency regulation of the power grid is further prominent. [0003] Compared with the electrochemical energy storage system, the electric heat storage system has the advantages of large energy storage capacity, safety and reliability, long life, and system stability. New energy power such as wind power can fill the valley. Compared with the electrochemical energy storage system, the electric heat storage system has better coupling w...

AI Technical Summary

Problems solved by technology

However, the electric heat storage system is directly coupled with the power generation system. When participating in peak regulation and frequency regulation of the power grid, it is limited by the operation and power of the power generation system, and the range of online load adjustment has a certain limit.

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