Journal
IEEE TRANSACTIONS ON POWER DELIVERY
Volume 28, Issue 2, Pages 816-824Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRD.2012.2227510
Keywords
Multi-infeed HVDC systems; nodal indices; power/voltage interactions; quasistatic analytic models
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In recent CIGRE literature, an index was proposed to assess the degree of voltage interaction among HVDC converters in a multi-infeed configuration. However, the index is derived from empirical information, its usage is somewhat arbitrary or rule-of-thumb basis. In this paper, a power-flow model is used as the mathematical framework to derive an analytic equivalent of the empirical index, to facilitate rigorous analysis of voltage/power interactions in multi-infeed HVDC systems. Moreover, with other allied new indices proposed here and in past works, it is shown that a taxanomy of indices can be established with their interrelationships derived analytically. Furthermore, it is shown that these analytic indices can give theoretical insight into the parametric dependence of the power/voltage interactions.
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