Interoperability of Modular Multilevel and Alternate Arm Converters in Hybrid HVDC Systems

Harith R. Wickramasinghe, Pingyang Sun and Georgios Konstantinou
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Harith R. Wickramasinghe: School of Electrical Engineering and Telecommunications, UNSW Sydney, Sydney, NSW 2052, Australia
Pingyang Sun: School of Electrical Engineering and Telecommunications, UNSW Sydney, Sydney, NSW 2052, Australia
Georgios Konstantinou: School of Electrical Engineering and Telecommunications, UNSW Sydney, Sydney, NSW 2052, Australia

Energies, 2021, vol. 14, issue 5, 1-18

Abstract: This paper demonstrates the interoperability of an emerging alternate arm converter (AAC) with the state-of-the-art modular multilevel converter (MMC) in high-voltage direct current (HVDC) systems based on a hybrid VSC-HVDC system. The paper also showcases the parameter derivation of the hybrid HVDC system and its detailed control structure. The study provides preliminary steps towards detailed analysis of AAC interoperability in complex hybrid dc grid configurations. A detailed set of results based on the 800 MVA hybrid voltage source converter (VSC)-HVDC system showcases the interoperability performance of the AAC under different operating scenarios and verifies its associated control functions.

Keywords: alternate arm converter (AAC); HVDC transmission; Hybrid HVDC; interoperability; modular multilevel converter (MMC) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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