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Voltage Stability Analysis at Converter Buses in Combined AC/DC Systems

Authors: Tianqi Liu; Mei Zhang; Xingyuan Li;

Voltage Stability Analysis at Converter Buses in Combined AC/DC Systems

Abstract

This paper presented a method of estimating voltage stability for an AC/DC system based on nonlinear programming analysis of voltage stability for an AC system, and built the AC /DC model. This method converts the calculation of point of collapse (PoC) of AC/DC systems to a problem of optimizing load, which is solved by Sequential Quadratic Programming method (SQP). The method can handle various inequality constraints with strong robustness and good convergence and consider the effects of different High Voltage Direct Current (HVDC) transmission control modes on voltage stability. Finally numerical examples proved the validity of the proposed model and algorithm.

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
5
Average
Average
Average