[HTML][HTML] Control and protection of MMC-based HVDC systems: A review

RH Chandio, FA Chachar, JB Soomro, JA Ansari… - Energy Reports, 2023 - Elsevier
The voltage source converter (VSC) based HVDC (high voltage direct current system) offers
the possibility to integrate other renewable energy sources (RES) into the electrical grid, and …

Two-level combined control scheme of VSC-MTDC integrated offshore wind farms for onshore system frequency support

Y Xiong, W Yao, J Wen, S Lin, X Ai… - … on Power Systems, 2020 - ieeexplore.ieee.org
This paper proposes a two-level combined control (TLCC) scheme of voltage source
converter-based multi-terminal high-voltage direct current (VSC-MTDC) integrated offshore …

A systematic review of key challenges in hybrid HVAC–HVDC grids

U Javed, N Mughees, M Jawad, O Azeem, G Abbas… - Energies, 2021 - mdpi.com
The concept of hybrid high-voltage alternating current (HVAC) and high-voltage direct
current (HVDC) grid systems brings a massive advantage to reduce AC line loading …

Adaptive dual droop control of MTDC integrated offshore wind farms for fast frequency support

Y Xiong, W Yao, Z Shi, J Fang, X Ai… - … on Power Systems, 2022 - ieeexplore.ieee.org
This paper proposes an adaptive dual droop control (ADDC) scheme, it can provide the
disturbed onshore system with fast frequency support from both other undisturbed onshore …

[HTML][HTML] Improved droop control strategy for an MMC-MTDC connected to offshore wind farms with dynamic correction of the actual operating point

Z Ye, C Guo, J Liao, Y Wang - International Journal of Electrical Power & …, 2023 - Elsevier
To solve the problems of overload of converter stations and to reduce operating loss of multi-
terminal High-Voltage DC (MTDC) grids based on modular multilevel converters (MMC), an …

Coordinated control strategy of receiving-end fault ride-through for DC grid connected large-scale wind power

S Jiang, Y Xu, G Li, Y Xin… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This article proposes a comprehensive coordinated suppression strategy for DC overvoltage
to achieve the receiving-end fault ride-through of DC grid connected large-scale wind …

A comprehensive motivation of multilayer control levels for microgrids: Synchronization, voltage and frequency restoration perspective

R Jackson, SA Zulkifli, M Benbouzid, S Salimin… - Applied Sciences, 2020 - mdpi.com
The current paradigm in integrating intermittent renewable energy sources into microgrids
presents various technical challenges in terms of reliable operation and control. This paper …

[HTML][HTML] Adaptive drooping control scheme for VSC-MTDC system with multiple renewable energy sites based on variable droop constant

A Raza, Q Huang, J Li, O Bamisile, M Afzal… - International Journal of …, 2023 - Elsevier
The generated power from multiple renewable energy sites can be collected and integrated
into the conventional alternating current grid by using a multi-terminal high voltage direct …

Hybrid control strategy for effective frequency regulation and power sharing in multi‐terminal HVDC grids

AS Kumar, BP Padhy - IET Generation, Transmission & …, 2020 - Wiley Online Library
This study proposes a hybrid control (HC) strategy for improved frequency regulation and
power sharing in multi‐terminal HVDC (MTDC) integrated AC grids. The proposed method …

A novel control strategy based on a look-up table for optimal operation of MTDC systems in post-contingency conditions

SM Alavi, R Ghazi - Protection and Control of Modern Power Systems, 2022 - Springer
Multi terminal VSC-HVDC systems are a promising solution to the problem of connecting
offshore wind farms to AC grids. Optimal power sharing and appropriate control of DC-link …