Frequency oscillation identification and multi-area interconnection frequency response control system

The invention discloses a frequency oscillation identification and multi-region interconnection frequency response control system, which comprises an online measurement module (100) for acquiring electrical information including amplitude, frequency, phase and damping factor from a main conductive path of a power grid; the data processing module (200) is used for acquiring required sampling data from the on-line measurement module (100) and realizing frequency oscillation analysis and low-frequency oscillation on-line identification functions of the sampling data through a specific frequency band absorption attenuation filtering algorithm; and the quick response module (300) is used for acquiring the required frequency oscillation information from the data processing module (200) and completing quick and accurate processing of a power grid frequency fluctuation event through quick frequency response control. According to the method, a complex solving process can be avoided, oscillation analysis is carried out