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The determination of the stability regions and sequential transient stability analysis of integrated AC-DC power system consisting of bipolar DC lines via the controlling unstable equilibrium points

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dc.date.accessioned 2020-01-13T07:57:05Z
dc.date.available 2020-01-13T07:57:05Z
dc.date.issued 2003
dc.identifier.citation Ayan, K; Arifoglu, U; (2003). The determination of the stability regions and sequential transient stability analysis of integrated AC-DC power system consisting of bipolar DC lines via the controlling unstable equilibrium points. EUROPEAN TRANSACTIONS ON ELECTRICAL POWER, 13, 330-321
dc.identifier.issn 1430-144X
dc.identifier.uri https://hdl.handle.net/20.500.12619/2537
dc.identifier.uri https://doi.org/10.1002/etep.4450130508
dc.description.abstract In this paper, a sequential transient stability analysis of an integrated AC-DC power system consisting of bipolar MTDC is accomplished by taking into account the variation of the amplitude of the bus voltages during transient. This variation of the bus voltages is provided by the sequential AC-DC load flow algorithm of the AC-DC power system with respect to the active power modified at each integration step. The algorithm has two superiority. Firstly, as DC system variables tire not included in Jacobian matrix the convergence time of the algorithm and necessity of computer memory is little. Secondly, both this algorithm has been developed for bipolar system and this algorithm also can be run with current controlled, voltage controlled and power controlled terminals without making any changes in proposed method. Thus, the AC-DC transient stability analysis is accomplished considering the true value of the ratio of the reactive power absorbed from the converters to the active power transferred through DC line by the sequential approach. In the transient analysis of the system, the DC lines loads are represented as the current injections to the buses where they are connected and its effect is reflected at the internal buses in the form of additional bus power injections. The effect of these is again reflected at the internal buses in the form of additional bus power injections. Thus, the problem in constructing a valid Lyapunov function due to the transfer conductance is eliminated.
dc.language English
dc.publisher VDE VERLAG GMBH
dc.subject Engineering
dc.title The determination of the stability regions and sequential transient stability analysis of integrated AC-DC power system consisting of bipolar DC lines via the controlling unstable equilibrium points
dc.type Article
dc.identifier.volume 13
dc.identifier.startpage 321
dc.identifier.endpage 330
dc.contributor.department Sakarya Üniversitesi/Bilgisayar Ve Bilişim Bilimleri Fakültesi/Bilgisayar Mühendisliği Bölümü
dc.contributor.saüauthor Ayan, Kürşat
dc.contributor.saüauthor Arifoğlu, Uğur
dc.relation.journal EUROPEAN TRANSACTIONS ON ELECTRICAL POWER
dc.identifier.wos WOS:000186050400007
dc.contributor.author Ayan, Kürşat
dc.contributor.author Arifoğlu, Uğur


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