Interconnection of power systems with different under-frequency load shedding schemes

Sauhats, Antans Sauļus; Chuvychin, V.; Antonovs, Eduards; Zicmane, Inga; Strelkovs, Vadims

doi:10.1109/eeeic.2011.5874864

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“…The evaluation of substation reliability is based on analysis of its electrical diagrams and of the impact of its emergency regimes on the operational reliability of the whole EPS [1][2][3][4][5][6][7][8][9][10][11][12]. The development of EPS and the renovation of its primary and secondary equipment cause changes in the reliability factors of some substations and, as a result, of the whole EPS.…”

Section: Introductionmentioning

confidence: 99%

Reliability of Latvian Power System’S 330 KV Substations

Nepomnyaschiy

Gerhards

Mahņitko

et al. 2014

Latvian Journal of Physics and Technical Sciences

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Substation reliability is always a topical problem. The authors consider the techniques for reliability calculation based on logical-probabilistic approach to the evaluation of electrical substation switchgear schemes and equipment at emergency situations with disconnections of individual elements of the substation equipment or false operation of relay protection and automation devices. Based on the reliability analysis made for the 330kV substations of Latvian Electric Power System, recommendations are given concerning the reconstruction of switchgear schemes for some substations.

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