Multi-terminal DC grids: challenges and prospects

P Rodriguez, K Rouzbehi - Journal of Modern Power Systems …, 2017 - ieeexplore.ieee.org
A few multi-terminal direct current (MTDC) systems are in operation around the world today.
However, MTDC grids overlaying their AC counterpart might a reality in a near future. The …

HVdc circuit breakers: Prospects and challenges

A Raza, A Mustafa, U Alqasemi, K Rouzbehi… - Applied Sciences, 2021 - mdpi.com
The integration of offshore wind farms has revitalized the interest in multi–terminal high
voltage direct current (M–HVdc) transmission grids. HVdc breakers' importance has …

多端直流输电系统控制研究综述

徐殿国, 刘瑜超, 武健 - 电工技术学报, 2015 - dgjsxb.ces-transaction.com
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An improved corrective security constrained OPF for meshed AC/DC grids with multi-terminal VSC-HVDC

J Cao, W Du, HF Wang - IEEE Transactions on Power Systems, 2015 - ieeexplore.ieee.org
This paper presents an improved corrective security constrained optimal power flow
(CSCOPF) for a meshed AC/DC power transmission network with voltage source converter …

Power sharing control strategy of multiterminal VSC-HVDC transmission systems utilizing adaptive voltage droop

MA Abdelwahed, EF El-Saadany - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
This paper presents an adaptive droop-based power-sharing control strategy. The primary
objective is to control the sharing of the active power transmitted by a multiterminal voltage …

Power flow control in multi-terminal HVDC grids using a serial-parallel DC power flow controller

K Rouzbehi, SSH Yazdi, NS Moghadam - IEEE Access, 2018 - ieeexplore.ieee.org
Multi-terminal HVDC (MT-HVDC) grids have no capability of power flow control in a self-
sufficient manner. To address this important issue, utilization of dc-dc high power and high …

A differential protection technique for multi-terminal HVDC

AEB Abu-Elanien, AA Elserougi… - Electric Power Systems …, 2016 - Elsevier
This paper presents a technique for differential protection of Multi-terminal High Voltage
Direct Current (MTHVDC) transmission lines. The proposed technique depends on the …

Flexible control of power flow in multiterminal DC grids using DC–DC converter

K Rouzbehi, JI Candela, A Luna… - IEEE Journal of …, 2016 - ieeexplore.ieee.org
This paper proposes an efficient control framework that utilizes dc-dc converters to achieve
flexible power flow control in multiterminal dc (MTDC) grids. The dc-dc converter employed …

A novel method to determine droop coefficients of DC voltage control for VSC-MTDC system

B Li, Q Li, Y Wang, W Wen, B Li… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
For droop control in voltage source converter based multi-terminal HVDC systems, the
determination of droop coefficients is a key issue, which directly affects both power …

Hierarchical control of multiterminal DC grids for large-scale renewable energy integration

X Li, L Guo, C Hong, Y Zhang, YW Li… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
In this paper, a hierarchical control framework is proposed for multiterminal dc (MTDC) grids
with large-scale renewable power generations. In the primary control, dc voltage droop …