A power constraint index to rank and group critical contingencies based on sensitivity factors

• Autorzy: Arenas-Crespo O. , Candelo J. E.

Identyfikatory

DOI

10.24425/119638

• Języki publikacji: EN

Abstrakty

EN

Finding the most critical contingencies in a power system is a difficult task as multiple evaluations of load and generation scenarios are needed. This paper presents a mathematical formulation for selecting, ranking, and grouping the most critical N-1 net- work contingencies, based on the calculation of a Power Constraint Index (PCI) obtained from the Outage Transfer Distribution Factors (OTDF). The results show that the PCI is only affected by the impedance parameter of the transmission network, the topology, and the location of all generators. Other methods, such as the Performance Index (PI) and the Overload Index (OL) are affected by the power generation and demand variations. The proposed mathematical formulation can be useful to accelerate the calculation of other methods that evaluate contingencies in power system planning and operation. Furthermore, the fast calculation of indices makes it suitable for online evaluation and classification of multiple events considering the current topology. The results showed that the proposed algorithm easily selected and ranked the expected contingencies, with the highest values of the index corresponding to the most critical events. In the filtering process, the computational calculation time improved without losing the robustness of the results.

Słowa kluczowe

EN

contingency ranking; critical contingencies; power system operation; power system planning; sensitivity power factors

• Wydawca: Polish Academy of Sciences, Committee on Electrical Engineering
• Czasopismo: Archives of Electrical Engineering
• Rocznik: 2018
• Tom: Vol. 67, nr 2
• Strony: 247–--261
• Opis fizyczny: Bibliogr. 18 poz., rys., tab.

Twórcy

autor

Arenas-Crespo O.

• Facultad de Minas, Departamento de Energía Eléctrica y Automática Universidad Nacional de Colombia, Sede Medellín Carrera 80 No. 65-223, Medellín, Colombia

autor

Candelo J. E.

• Facultad de Minas, Departamento de Energía Eléctrica y Automática Universidad Nacional de Colombia, Sede Medellín Carrera 80 No. 65-223, Medellín, Colombia

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).