Direct Capacitor Voltage Control Method of Hybrid MMC during DC Short Circuit Fault

Peng, Maolan; Liu, Huan; Zhao, Xibei; Xu, Jianzhong; Yuan, Jinsha

doi:10.1109/hvdc50696.2020.9292882

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Improving MMC Topology1

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2022

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“…Peng et al [19] presented the topology of cell-bridge MMC composed of half-bridge SM and full-bridge SM (Fig. 11), which can eliminate DC fault without using DC circuit breakers.…”

Section: Improving MMC Topologymentioning

confidence: 99%

Simulation of Wind Power Integration with Modular Multilevel Converter-Based High Voltage Direct Current

Meng

et al. 2022

Teh. vjesn.

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The growing demand for large-capacity long distance transmission of wind power has boosted the development of flexible direct current (DC) transmission technology. To facilitate wind power integration, this paper designs a modular multilevel converter (MMC) for steady-state operation, using the parameters of the demonstration DC transmission project of offshore wind power in Sheyang County, eastern China's Jiangsu Province. Relying on the simulation platform of PSCAD/EMTDC, the authors analyzed the proposed control theory, and verified that, under different working conditions (e.g., changing wind speed), the MMC-based high voltage direct current (MMC-HVDC) transmission system can integrate the wind power safely and efficiently. In addition, the authors discussed how to enhance the fault ride-through (FRT), a prominent problem in wind power operation, of the flexible DC system containing wind power, from the perspective of alternating current (AC) fault and DC fault.

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“…Peng et al [19] presented the topology of cell-bridge MMC composed of half-bridge SM and full-bridge SM (Fig. 11), which can eliminate DC fault without using DC circuit breakers.…”

Section: Improving MMC Topologymentioning

confidence: 99%

Simulation of Wind Power Integration with Modular Multilevel Converter-Based High Voltage Direct Current

Meng

et al. 2022

Teh. vjesn.

View full text Add to dashboard Cite

show abstract

Direct Capacitor Voltage Control Method of Hybrid MMC during DC Short Circuit Fault

Cited by 1 publication

References 12 publications

Simulation of Wind Power Integration with Modular Multilevel Converter-Based High Voltage Direct Current

Simulation of Wind Power Integration with Modular Multilevel Converter-Based High Voltage Direct Current

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