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Enhancement of the Coordination Between Generator Phase Backup Protection and Generator Capability Curves in the Presence of a Midpoint STATCOM Using Support Vector Machines

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4 Author(s)
Elsamahy, M. ; Power Syst. Res. Group, Univ. of Saskatchewan, Saskatoon, SK, Canada ; Faried, S.O. ; Sidhu, T.S. ; Ramakrishna, G.

In this paper, investigations are carried out to explore the impact of a midpoint static synchronous compensator (STATCOM) on the coordination between the generator distance phase backup protection (function 21) and the generator capability curves. The results of these investigations have shown that the midpoint STATCOM has an adverse effect on such coordination. Such an impact varies according to the fault type, the fault location, and the generator loading. This paper proposes the use of the support vector machines' classification technique for generator phase backup protection to enhance the coordination between such protection and generator capability curves in the presence of a midpoint STATCOM. The dynamic simulations of a test benchmark have been conducted by using the PSCAD/EMTDC software.

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Power Delivery, IEEE Transactions on  (Volume:26 ,  Issue: 3 )