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Effect of HVDC converter station faults on turbine-generator shaft torsional torques

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2 Author(s)
Faried, S.O. ; Power Syst. Res. Group, Saskatchewan Univ., Saskatoon, Sask., Canada ; El-Serafi, A.M.

This paper explores the impact of HVDC converter station faults on the torsional torques induced in turbine-generator shafts. In this context, investigations have been conducted on a large turbine-generator unit connected to an HVDC system. Faults considered are firethrough, misfire and a short-circuit across a nonconducting valve. The effect of the fault incidence time on the maximum turbine-generator torsional torques is also investigated. The results of these investigations are presented in the form of typical time responses as well as parametric studies

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Power Systems, IEEE Transactions on  (Volume:12 ,  Issue: 2 )