Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/8406
Title: An improved sequential method for AC/MTDC power system state estimation
Authors: Ding, Q
Chung, TS
Zhang, B
Keywords: EMS
MTDC
State estimation
Issue Date: 2001
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on power systems, 2001, v. 16, no. 3, p. 506-512 How to cite?
Journal: IEEE transactions on power systems 
Abstract: This paper reports the development of a novel and effective approach in AC/MTDC (Multi-terminal DC) power system state estimation, called improved sequential method. The proposed approach is sequential in nature in which the MTDC system is solved followed by the AC system. Because the new method decouples the AC and MTDC systems without neglecting the coupling submatrices in the gain matrix, it exhibits good convergence characteristics. The variables and measurement equations of the MTDC system related to the problem formulation are discussed. The effectiveness of the proposed algorithm is demonstrated in this paper with extensive testing in several test systems and the results are compared with other state estimators. The main advantage of the method is that the proposed algorithm can be used to easily adapt existing state estimation algorithm to cater for MTDC.
URI: http://hdl.handle.net/10397/8406
ISSN: 0885-8950
EISSN: 1558-0679
DOI: 10.1109/59.932288
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