Title Flexible HVDC transmission systems small signal modelling: A case study on CIGRE Test MT-HVDC grid
Authors Yazdi S.S.H. , ROUZBEHI, KUMARS, Ignacio Candela J. , Milimonfared J. , RODRÍGUEZ CORTÉS, PEDRO
External publication No
Means Proc. IECON - Annu. Conf. IEEE Ind. Electron. Soc.
Scope Conference Paper
Nature Científica
Web https://www.scopus.com/inward/record.uri?eid=2-s2.0-85046649758&doi=10.1109%2fIECON.2017.8216047&partnerID=40&md5=84bd511f870fbf4bf9600fd5fb84d6e9
Publication date 01/01/2017
Scopus Id 2-s2.0-85046649758
DOI 10.1109/IECON.2017.8216047
Abstract Future Flexible HVDC Transmission Systems will consist of several active and passive infrastructures including DC Power Flow Controller (DC-PFC) device. The addition of the DC-PFC to the future Multi-Terminal HVDC (MT-HVDC) grids arises some key concerns such as stability, system interoperability, and possible adverse interactions. Hence, a suitable model is necessary to conduct deep frequency domain analysis. In this context, this paper proposes a linearized model for small-signal stability analysis of flexible MT-HVDC grids in state space framework that can be straightforwardly utilized in the process of control design. In this paper, a spick-and-span, systematic and step-by-step process to derive the small signal model of all flexible MT-HVDC grid components is presented such that each sub-system is modeled individually and then all are integrated together. The derived model is cross-verified by time domain simulations of a nonlinear system model in a MATLAB/SIMULINK platform for CIGRE DCS3 MT-HVDC test grid. © 2017 IEEE.
Keywords Electric control equipment; Electric load flow; Electric power system control; Flow control; Frequency domain analysis; Heterojunction bipolar transistors; Industrial electronics; Interoperability; MATLAB; Power control; Process control; Signal analysis; Time domain analysis; DC power flow; HVDC transmission system; Modular multi-level converters; Mt-hvdc; Nonlinear system modeling; Small signal stability analysis; System interoperability; Time-domain simulations; HVDC power transmission
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