2023 № 1 Електротехніка і Електромеханіка

Постійне посилання колекціїhttps://repository.kpi.kharkov.ua/handle/KhPI-Press/62895

Електротехніка і Електромеханіка / Нац. техн. ун-т «Харків. політехн. ін-т». Харків : НТУ «ХПІ», 2023. № 1

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ORCID: search.filters.orcid.https://orcid.org/0000-0001-5194-5854

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    Investigations on hybrid line stability ranking index with polynomial load modeling for power system security
    (Національний технічний університет "Харківський політехнічний інститут", 2023) Venkatesh, Peruthambi; Visali, Nagalamadaka
    Introduction. In recent years, numerous non-renewable and renewable energies are connected to the grid to meet the demand. Also, transient variation with loads poses the shortcomings for generating units, transmission and distribution networks. In this regard, the study on choice of suitable load modelling is essential to predict the system characteristics. The aspect of the research design is a ZIP load model, which, when combined with contingency criteria and constant-impedance, constant-current, and constant-power loads, produces realistic and long-term load representations. Purpose. The proposed technique, infers the single transmission line outage for obtaining the contingency ranking to ensure the system behavior. Methods. The proposed mathematical model with hybrid line stability ranking index has been used for observing the stability analysis with and without considering unified power flow controller. Results. The power system involves many unpredictable conditions or contingency conditions like single transmission line outage, double transmission line outage, generator outage and load variations. This paper mainly focuses on the single transmission line outage for obtaining the contingency ranking. Practical value. The recommended stability analysis has been very beneficial in establishing a secure transmission power system.