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• W2784175478 abstract "The low-frequency oscillation (LFO) caused by local disturbance source is a serious threat to the safe and stable operation of power system, and locating the disturbance source online based on wide area measurement system(WAMS) is an important method to control the accident. However, the configuration of phasor measurement unit (PMU) in power system could not meet the observability requirements of the overall grid so far, so the missing data of key nodes is a mishap in disturbance source locating. In this paper, a disturbance source locating method for low-frequency oscillation considering the missing data of key nodes is proposed based on combining the supervisory control and data acquisition (SCADA) and PMU system. Firstly, the dissipation energy of low-frequency oscillation is defined, and the physical mechanism of its directivity is analyzed. Then the missing data of key nodes will be compensated by curve regression analysis with the data of SCADA and PMU system. The results of the example in Central China Power Grid show that the proposed method can meet the requirements of locating the disturbance source accurately, and it has a certain engineering application value." @default.
• W2784175478 created "2018-01-26" @default.
• W2784175478 creator A5065165256 @default.
• W2784175478 date "2017-11-01" @default.
• W2784175478 modified "2023-09-25" @default.
• W2784175478 title "Disturbance source location method of low-frequency osillation considering information loss of key nodes" @default.
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• W2784175478 doi "https://doi.org/10.1109/ei2.2017.8245662" @default.
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