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Research on Stability Control and Damping Suppression Strategy of a Flexible DC Transmission System

Year: 2023
Type: conference-paper
Abstract: The flexible Direct Current (DC) transmission system, rooted in High Voltage Direct Current (HVDC) technology, stands as a pivotal means of power transmission, facilitating extensive reach and substantial capacity with inherent advantages of flexibility, reliability, and heightened energy efficiency. Its applications in long-distance transmission, power grid interconnection, and offshore wind power surpass conventional Alternating Current (AC) transmission systems. However, operational challenges in stability and damping suppression persist. Dynamic factors such as uncertainties in parameters, load fluctuations, fault disturbances, and other elements introduce vulnerability to stability decline and potential oscillation issues. Additionally, deleterious harmonic and resonance phenomena exacerbate stability concerns. This paper conducts a comprehensive investigation into ensuring the steadfast operation of the flexible DC transmission system. Through an exploration of stability control and damping suppression strategies, the research proposes meticulous control algorithms to achieve stability control and oscillation mitigation within the system. Empirical evidence from conducted experiments underscores the efficacy of implementing flexible DC transmission based on Modular Multilevel Converters (MMC). This approach proves instrumental in mitigating stability issues inherent in system operation, consequently enhancing overall system performance and reliability. The research contributes to scholarly understanding while advancing the practical application and development of this transformative technology in power transmission, thereby addressing critical challenges in stability for the flexible DC transmission system.
DOI: 10.1145/3640115.3640136
Language: English
Open Access status: bronze
OpenAlex ID: W4393208136
FWCI:
Cites: 1
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Related to: 10