Fault Ride Through and Intermittency Improvement of Renewable Energy Integrated MMC-HVDC System Employing Flywheel Energy Storage [PDF]
IEEE Access, 2023 Modular multilevel converter (MMC)-based high voltage direct current (HVDC) transmission networks integrate remotely located distributed renewable energy resources (RER). The intermittent nature of RER and symmetrical and asymmetrical AC-side low-voltage
Md Ismail Hossain +4 more
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Improved Control Strategy of MMC–HVDC to Improve Frequency Support of AC System
Applied Sciences, 2020 With the continuous development of power electronics technology, variable-speed offshore wind turbines that penetrated the grid system caused the problem of inertia reduction.
Zicong Zhang, Junghun Lee, Gilsoo Jang
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A Novel Overcurrent Suppression Strategy during Reclosing Process of MMC-HVDC [PDF]
Applied Sciences, 2019 A modular multilevel converter based high-voltage DC (MMC-HVDC) system has been the most promising topology for HVDC. A reclosing scheme is usually configured because temporary faults often occur on transmission lines especially when overhead lines are ...
Bin Jiang, Yanfeng Gong
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Enhancing Fault Detection and Classification in MMC-HVDC Systems: Integrating Harris Hawks Optimization Algorithm with Machine Learning Methods [PDF]
International Transactions on Electrical Energy SystemsAccurate fault detection in high-voltage direct current (HVDC) transmission lines plays a pivotal role in enhancing operational efficiency, reducing costs, and ensuring grid reliability. This research aims to develop a cost-effective and high-performance
Omar Hazim Hameed Hameed +4 more
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Impact of Different AC Voltage Control Modes of Wind-farm-side MMC on Stability of MMC-HVDC with Offshore Wind Farms [PDF]
Journal of Modern Power Systems and Clean Energy, 2023 Wind-farm-side modular multilevel converters (WFMMCs) used in modular multilevel converter based highvoltage direct current (MMC-HVDC) transmission systems must be able to control the AC grid voltage in offshore wind farms.
Hongfei Lin, Tao Xue, Jing Lyu, Xu Cai
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Fault Diagnosis Method for MMC-HVDC Based on Bi-GRU Neural Network
Energies, 2022 The Modular Multilevel Converter-High Voltage Direct Current (MMC-HVDC) system is recognized worldwide as a highly efficient strategy for transporting renewable energy across regions.
Yanting Wang, Dingkun Zheng, Rong Jia
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Valve-Side Single-Phase-to-Ground Fault Analysis in Bipolar MMC-HVDC Systems With Hybrid SMs [PDF]
IEEE Transactions on Power DeliveryThis letter presents a comprehensive fault analysis for a modular multilevel converter high-voltage direct current (MMC-HVDC) system with hybrid half-bridge submodules (HBSMs) and full-bridge SMs (FBSMs) under valve-side single-phase-to-ground (SPG ...
Pingyang Sun +4 more
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Characteristic investigation of MMC-HVDC system under internal AC bus fault conditions
The Journal of Engineering, 2019 In order to ensure the high-efficient and stable operation of the MMC-HVDC transmission system, it is necessary to analyse the failure mode and failure mechanism of MMC-HVDC in detail.
Shuo Ma +6 more
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International Journal of Electrical Power & Energy SystemsTo enhance frequency support and fault ride-through capabilities of MMC-HVDC system, an MMC multi-time scale coordinated control strategy considering the regulation dead zone is proposed, which achieves wide-area coordinated complementarity of multiple ...
Shouqi Jiang +5 more
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Analysis of the Performance of MMC Under Fault Conditions in HVDC-Based Offshore Wind Farms [PDF]
, 2015 This paper analyzes the behavior of a modular multilevel converter-high-voltage direct-current (MMC-HVDC)-connected offshore wind power plant (WPP) during dc faults.
Ricardo Vidal-Albalate +5 more
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