A Study on HVDC Overcurrent During Commutation Failure

Commutation failure is a common fault for HVDC transmission systems. The DC overcurrent induced during commutation failure not only endangers equipment safety but also threatens the system stability. In this paper, a reduced-order system model that can accurately describe the overcurrent dynamics du...

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Veröffentlicht in:	IEEE transactions on power delivery 2024-06, Vol.39 (3), p.1963-1974
Hauptverfasser:	Liao, Shengwen, Gan, Deqiang, Shi, Zhanwu
Format:	Artikel
Sprache:	eng
Schlagworte:	AC-DC system Circuit faults Commutation commutation failure DC overcurrent Electric power systems Exact solutions Failure HVDC HVDC transmission Inverters Mathematical models Nonlinear systems Overcurrent Perturbation methods phase portrait Power system stability Qualitative analysis Reactance Rectifiers Reduced order models regular perturbation singular perturbation Singular perturbation methods Systems stability Time domain analysis Voltage stability
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