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Dynamically adaptive method for under frequency load shedding protection scheme reconfiguration (CROSBI ID 305401)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Baškarad, Tomislav ; Holjevac, Ninoslav ; Kuzle, Igor ; Ivanković, Igor Dynamically adaptive method for under frequency load shedding protection scheme reconfiguration // Electric power systems research, 207 (2022), 107823, 9. doi: 10.1016/j.epsr.2022.107823

Podaci o odgovornosti

Baškarad, Tomislav ; Holjevac, Ninoslav ; Kuzle, Igor ; Ivanković, Igor

engleski

Dynamically adaptive method for under frequency load shedding protection scheme reconfiguration

The increased integration of the new generation technologies into the electric power system (EPS) which are mainly inverter-based changes its characteristics. The main issue that arises is the appearance of faster frequency dynamics that are caused by production connected through inverters. This leads to the need for changing conventional under-frequency load shedding (UFLS) schemes because, in cases of high dynamics of frequency change, conventional UFLS algorithms are not able to stop initial frequency drop and prevent power system collapse. This paper proposes reconfiguration method for conventional strategies transforming their response from static and inflexible to a dynamic and adaptive one. The focus of the paper is the proposed method for dynamical change of UFLS stage thresholds to minimize the number of activated UFLS stages during a particular disturbance event and therefore enable more efficient response of the system to further disturbances. The method effectiveness was demonstrated on a multi-machine power system model consisting of various generation technologies.

Frequency response ; Frequency nadir ; UFLS ; ROCOF relay

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Podaci o izdanju

207

2022.

107823

9

objavljeno

0378-7796

1873-2046

10.1016/j.epsr.2022.107823

Povezanost rada

Elektrotehnika

Poveznice
Indeksiranost