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Effect of approximations made in the lumping of local loads at a weak HVDC converter on its dynamic performance

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2 Author(s)
Nayak, O.B. ; Dept. of Electr. & Comput. Eng., Manitoba Univ., Winnipeg, Man., Canada ; Gole, A.M.

This paper discusses the modelling aspects of local load at an HVDC converter terminal. In the CIGRE benchmark model for instance, the local load is modelled as part of the Thevenin equivalent of the AC system. Alternately, the local load could be modelled explicitly at the converter terminal. The Thevenin equivalent would then include only the remote AC system. This paper presents the simulation results of the dynamic performance of an HVDC system with both representations of the local load. The results indicate that both representations provide similar responses. Thus the former representation as in the benchmark is sufficient to represent the effect of local loads and is simpler than the latter model

Published in:

WESCANEX 95. Communications, Power, and Computing. Conference Proceedings., IEEE  (Volume:2 )

Date of Conference:

15-16 May 1995