Consulting EngineerNeuquen, ARG 8300 407 Ahtmt+hft Torqoe drplifiutia (STA) is the fon of SSP &aracterized by the bi&r systewodcl eolplexity d mptatiarl requiremts its sinlatim, nornll~ in a ticdouin envirment, deu d 8 . A rlti-lodrl a p p w k drawing the tmrbogeierator torsioul response to electrical toqme i~d s e r ipplied to the whine air-gap is introdiced in this article U an alternative RA larlysia fnre. Pert torque results fm the pmpased algurith are carp~red ritb similar ones obtained I n FMIP r~. Lots-of-life ulcllatiar u d a uplcitor-reinsertion appliutim U STA m t m l UUI, are iiclnded. kywrda-Pmr System OJaUi u, Sobsptchons lesauee, Transieat Torques, Shft Torgae drplifiution, Torsiarl Fatige, Shft Life Rpenditore, SSI bmteneuae, Series-Capacitor leiwrtim.