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Journal articles on the topic 'Multiterminal direct-current (MTDC)'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Chang, Fei, Zhongping Yang, Yi Wang, Fei Lin, and Shihui Liu. "Fault Characteristics and Control Strategies of Multiterminal High Voltage Direct Current Transmission Based on Modular Multilevel Converter." Mathematical Problems in Engineering 2015 (2015): 1–11. http://dx.doi.org/10.1155/2015/502372.

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The modular multilevel converter (MMC) is an emerging voltage source converter topology suitable for multiterminal high voltage direct current transmission based on modular multilevel converter (MMC-MTDC). This paper presents fault characteristics of MMC-MTDC including submodule fault, DC line fault, and fault ride-through of wind farm integration. Meanwhile, the corresponding protection strategies are proposed. The correctness and effectiveness of the control strategies are verified by establishing a three-terminal MMC-MTDC system under the PSCAD/EMTDC electromagnetic transient simulation env

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2

Mario, A. Rios, and A. Acero Fredy. "Planning multi-terminal direct current grids based graphs theory." International Journal of Electrical and Computer Engineering (IJECE) 11, no. 1 (2021): 37–46. https://doi.org/10.11591/ijece.v11i1.pp37-46.

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Transmission expansion planning in AC power systems is well known and employs a variety of optimization techniques and methodologies that have been used in recent years. By contrast, the planning of HVDC systems is a new matter for the interconnection of large power systems, and the interconnection of renewable sources in power systems. Although the HVDC systems has evolved, the first implementations were made considering only the needs of transmission of large quantities of power to be connected to the bulk AC power system. However, for the future development of HVDC systems, meshed or not, e

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3

Oluwafemi, E. Oni, G. Swanson Andrew, and Pillay Carpanen Rudiren. "Impact of LCC–HVDC multiterminal on generator rotor angle stability." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 1 (2020): 22–34. https://doi.org/10.11591/ijece.v10i1.pp22-34.

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Multiterminal High Voltage Direct Current (HVDC) transmission utilizing Line Commutated Converter (LCC-HVDC) technology is on the increase in interconnecting a remote generating station to any urban centre via long distance DC lines. This Multiterminal-HVDC (MTDC) system offers a reduced right of way benefits, reduction in transmission losses, as well as robust power controllability with enhanced stability margin. However, utilizing the MTDC system in an AC network bring about a new area of associated fault analysis as well as the effect on the entire AC system during a transient fault conditi

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4

Oni, Oluwafemi Emmanuel, Andrew G. Swanson, and Rudiren Pillay Carpanen. "Impact of LCC–HVDC multiterminal on generator rotor angle stability." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 1 (2020): 22. http://dx.doi.org/10.11591/ijece.v10i1.pp22-34.

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<span>Multiterminal High Voltage Direct Current (HVDC) transmission utilizing Line Commutated Converter (LCC-HVDC) technology is on the increase in interconnecting a remote generating station to any urban centre via long distance DC lines. This Multiterminal-HVDC (MTDC) system offers a reduced right of way benefits, reduction in transmission losses, as well as robust power controllability with enhanced stability margin. However, utilizing the MTDC system in an AC network bring about a new area of associated fault analysis as well as the effect on the entire AC system during a transient f

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5

Oni, Oluwafemi, Andrew Swanson, Rudiren Pillay Carpanen, and Anuoluwapo Aluko. "Implementation of a Multiterminal Line Commutated Converter HVDC Scheme with Auxiliary Controller on South Africa’s 765 kV Corridor." Energies 15, no. 12 (2022): 4356. http://dx.doi.org/10.3390/en15124356.

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The deployment of a 765-kV transmission line on Eskom’s South African Grid marks the beginning of a new era in power industries. The integration of renewable energies by independent power producers (IPPs) leads to an infrastructural change in the stability performance of the entire grid. These developments are expected to bring about a multiterminal direct current (MTDC) system for practical implementation on this grid. Therefore, this study focuses on the dynamic response of the South African transmission grid during a system disturbance. In the carrying out of this study, the South African g

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6

Vennelaganti, Sai Gopal, Sina Gharebaghi, and Nilanjan Ray Chaudhuri. "A Corrective Controller for Improved Ratio-Based Frequency Support through Multiterminal High-Voltage Direct Current Grids." Electronics 13, no. 19 (2024): 3927. http://dx.doi.org/10.3390/electronics13193927.

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A recently proposed droop controller design achieved approximate ratio-based frequency support through Multiterminal High-Voltage Direct Current (MTDC) grids connecting asynchronous AC areas. The design was performed via a reduced-order model, which neglects system losses. In this paper, to achieve improved tracking, a model-reference-estimation-based corrective control approach is presented, which estimates the differences between the reduced and actual models and compensates for the same. The sufficient condition for perfect ratio tracking by the proposed controller in the presence of modeli

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7

Rodino, Analcísio António, and Rui Esteves Araújo. "A systematic review of Intelligent Fault-Tolerant Protection Scheme for Multi-terminal HVDC Grids." U.Porto Journal of Engineering 9, no. 3 (2023): 240–51. http://dx.doi.org/10.24840/2183-6493_009-003_001939.

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   Due to the advancement of power electronics devices and control techniques, the modular multilevel converter (MMC) has become the most attractive converter for multiterminal direct current (MTDC) grids thanks to its most relevant features, such as modularity and scalability. Despite their advantages, conventional MMCs face a major challenge with: i) fault-tolerant operation strategy; i) energy losses in conversion; iii) lack of DC fault handling capability. This paper provides a systematic review to identify the gaps in the literature about Intelligent Fault-Tolerant Prote

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8

Ahmed, Wajid, Premila Manohar, and C. H. Hussaian Basha. "A Novel Transient Analysis of Multiterminal VSC‐HVDC System Incorporating Superconducting Fault Current Limiter." International Transactions on Electrical Energy Systems 2024, no. 1 (2024). http://dx.doi.org/10.1155/2024/5549066.

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Power transmission using a voltage source converter‐ (VSC‐) based high‐voltage direct current (HVDC) system offers autonomous control of real and reactive power, constant DC voltage polarity, and bidirectional power flow. This helps to realize the multiterminal VSC‐HVDC system and its integration into renewable energy sources to meet the growing power demand. However, there is a risk of higher voltages and currents during a DC line fault. The barrier to the advancements of VSC‐MTDC systems is the nonavailability of commercial, higher‐rated DC circuit breakers. This necessitates research on alt

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9

Kumar, M. Ajay, and N. V. Srikanth. "An Adaptive Coordinated Control for an Offshore Wind Farm Connected VSC Based Multi-Terminal DC Transmission System." Open Engineering 5, no. 1 (2014). http://dx.doi.org/10.1515/eng-2015-0005.

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AbstractThe voltage source converter (VSC) based multiterminal high voltage direct current (MTDC) transmission system is an interesting technical option to integrate offshore wind farms with the onshore grid due to its unique performance characteristics and reduced power loss via extruded DC cables. In order to enhance the reliability and stability of the MTDC system, an adaptive neuro fuzzy inference system (ANFIS) based coordinated control design has been addressed in this paper. A four terminal VSC-MTDC system which consists of an offshore wind farm and oil platform is implemented in MATLAB

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10

Xin, Li, and Hu Yue. "Research on an Adaptive Voltage Droop Control Strategy for MTDC Systems Based on Small‐Signal Steady‐State Analysis." International Journal of Circuit Theory and Applications, May 2025. https://doi.org/10.1002/cta.4578.

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ABSTRACTThe dynamic performance of power electronic interface power supplies is enhanced by the virtual synchronous generator (VSG) through the emulation of synchronous generator (SG) characteristics. In voltage source converter‐based multiterminal high‐voltage direct current (VSC‐MTDC) systems, DC voltage regulation is achieved through the coordinated participation of converter stations, where the power reference of the VSG is influenced by DC voltage control. The droop coefficient of the VSG's DC voltage loop is found to significantly affect both the dynamic convergence of port power output

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11

Lin, Ning, and Venkata Dinavahi. "Variable Time-Stepping Modular Multilevel Converter Model for Fast and Parallel Transient Simulation of Multiterminal DC Grid." September 1, 2019. https://doi.org/10.5281/zenodo.7685899.

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The efficiency of multiterminal dc (MTDC) grid simulation decreases with an expansion of its scale and the inclusion of accurate component models. Thus, the variable time-stepping scheme is proposed in this paper to expedite the electromagnetic transient computation. A number of criteria are proposed to evaluate the time-step and regulate it dynamically during simulation. Meanwhile, as the accuracy of results is heavily reliant on the switch model in the modular multilevel converter, the nonlinear behavioral model with a greater accuracy is proposed in addition to the classic ideal model, and

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12

Ahmad, Muhammad, Md Shafiullah, Muhammed Y. Worku, Md Shafiul Alam, and Muhammad Khalid. "An Overview of VSC‐HVDC Systems and Challenges to Harvest Wind Energy Potential Considering South Asian Region as a Case Study." International Journal of Energy Research 2025, no. 1 (2025). https://doi.org/10.1155/er/8644219.

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The voltage source converter‐based high voltage direct current transmission (VSC‐HVDC) is considered the most appropriate option to harness the maximum potential of renewable energy, particularly offshore wind. With improved reliability and functionality of the network, reduced conversion losses, and reduced cost, the VSC‐based multiterminal direct current (MTDC) transmission has gained significant importance and popularity. This review paper provides a wide‐ranging overview of VSC‐HVDC networks. It includes detailed discussions on circuit configurations for VSC‐HVDC, MTDC‐based configurations

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13

Shafique, Ghazala, Johan Boukhenfouf, François Gruson, Shabab Samimi, Frédéric Colas, and Xavier Guillaud. "Small signal analysis of DC voltage control based on a virtual resistance of DC/DC converter integrated in a multiterminal DC grid." IET Generation, Transmission & Distribution, September 9, 2024. http://dx.doi.org/10.1049/gtd2.13262.

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AbstractThe future multi‐terminal direct‐current (MTDC) grid will require the interconnection of point‐to‐point high‐voltage (HV) DC links with different specifications such as DC voltage level, system grounding configuration and HVDC technology. To adapt these differences, it is obligatory for DC/DC converters to interconnect HVDC links. Additionally, they are capable of providing supplementary functionalities as they are highly controllable devices. In this article, a primary virtual resistance DC voltage controller associated with DC/DC converter is proposed for managing DC grid voltages of

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14

Lin, Ning, and Venkata Dinavahi. "Exact Nonlinear Micromodeling for Fine-Grained Parallel EMT Simulation of MTDC Grid Interaction With Wind Farm." August 1, 2019. https://doi.org/10.5281/zenodo.7683216.

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Detailed high-order models of the insulated gate bipolar transistor (IGBT) and the diode are rarely included in power converters for large-scale system-level electromagnetic transient (EMT) simulation on the CPU, due to the nonlinear characteristics albeit they are more accurate. The massively parallel architecture of the graphics processing unit (GPU) enables a lower computational burden by avoiding the computation of  complex devices repetitively in a sequential manner and thus is utilized in this paper to simulate the wind farm-integrated multiterminal dc (MTdc) grid based on the modul

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15

Lin, Ning, and Venkata Dinavahi. "Dynamic Electro-Magnetic-Thermal Modeling of MMC-Based DC–DC Converter for Real-Time Simulation of MTDC Grid." June 1, 2018. https://doi.org/10.5281/zenodo.7675220.

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The model of a modular multilevel converter (MMC) determines the extent of critical circuit information that electromagnetic transient simulations can reveal. In this paper, two MMC models are proposed for efficient real-time hardware-in-the-loop (HIL) emulation on the field-programmable-gate-arrays (FPGA). The nonlinear switch-based model employing the insulated-gate bipolar transistor (IGBT) dynamic curve-fitting model considers factors affecting its transient performance so that device-level behavior such as power loss and junction temperature can be reproduced accurately in the electro-mag

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16

Lin, Ning, and Venkata Dinavahi. "Detailed Device-Level Electrothermal Modeling of the Proactive Hybrid HVDC Breaker for Real-Time Hardware-in-the-Loop Simulation of DC Grids." February 1, 2018. https://doi.org/10.5281/zenodo.7675225.

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This paper proposes a series of proactive hybrid high-voltage direct-current (HVDC) breaker (HHB) electromagnetic transient models that can be implemented in hardware-in-the-loop (HIL) emulation for real-time execution on the field-programmable gate array (FPGA). To achieve high fidelity, an HHB model should have the same configuration as the real one, and three different models for an insulated-gate bipolar transistor (IGBT), i.e., a two-state switch model, a curve-fitting model, and an improved nonlinear behavioral model, are proposed to satisfy different accuracy and simulation speed requir

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