Results 51 to 60 of about 329 (122)

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, Volume 2025, Issue 1, 2025.
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 ...
Muhammad Ahmad, Md Shafiullah, Muhammed Y. Worku, Md Shafiul Alam, Muhammad Khalid, Paul Adedeji   +5 more
wiley   +1 more source

Grid topology and technology influences on selective protection concepts for multi‐terminal medium voltage DC grids

The Journal of Engineering, Volume 2018, Issue 15, Page 796-801, October 2018., 2018
The integration of distributed renewable energy resources in combination with advancements in power electronics make the application of multi‐terminal medium voltage DC grids a promising and flexible solution. Fast and selective protection concepts in combination with DC (disconnecting) switches for fault handling are required to ensure high ...
Maximilian Stumpe, Philipp Tunnerhoff, Armin Schnettler, Daniel Schmidt   +3 more
wiley   +1 more source

A novel thyristor‐based hybrid DC circuit breaker with short arcing capability

High Voltage, Volume 9, Issue 6, Page 1288-1301, December 2024.
Abstract Multi‐terminal flexible high‐voltage direct current (HVDC) transmission and DC grid technology are developing rapidly. The hybrid DC circuit breaker (HCB) has broad application prospects in the field of HVDC transmission and DC power grid. Nevertheless, existing HCBs have one or more following blemishes: arc suppression scheme of mechanical ...
Guanlong Jia, Yuchen Yuan, Hongjiang Guo, Xiaoxue Wang, Feng Niu   +4 more
wiley   +1 more source

Metrology requirements of state‐of‐the‐art protection schemes for DC microgrids

The Journal of Engineering, Volume 2018, Issue 15, Page 987-992, October 2018., 2018
Environmental incentives to combat climate change are providing the motivation to improve the energy efficiency of power distribution systems and integrate state‐of‐the‐art renewable technologies. Examples include wind/photovoltaic resources, energy storage systems, and electric vehicles integrated via efficient power electronic converters (PEC ...
Chunpeng Li, Puran Rakhra, Patrick Norman, Graeme Burt, Paul Clarkson   +4 more
wiley   +1 more source

Improving Surge Voltage and Power Loss of the MOV-MOV-C Approach for Low-Scale DC Solid-State Circuit Breaker Applications

IEEE Open Journal of the Industrial Electronics Society
The dc solid-state circuit breaker (SSCB) is commonly used to protect sensitive equipment and enhance system stability by quickly interrupting fault currents, thereby increasing overall safety.
Phanit Sok, Sung-Geun Song, Guangxu Zhou, Feel-Soon Kang   +3 more
doaj   +1 more source

Research of simulation and experiment on arc characteristics of gas mechanical switch

High Voltage, Volume 9, Issue 3, Page 626-635, June 2024.
Abstract An arc is the high‐temperature discharge plasma produced in the opening process of mechanical switches, which directly affects the breaking capability of a hybrid DC circuit breaker. According to the physical mechanism of an electric arc, the construction of an arc model for simulation analysis is an important technical means in the electrical
Cheng Jiang, Lu Qu, Zhangqing Yu, Zhizheng Gan, Xin yan, Rong Zeng, Yulong Huang, Shaofu Li   +7 more
wiley   +1 more source

Advancements in Z‐Source Solid‐State Circuit Breakers for Enhanced Protection of DC Distribution Networks: A Comprehensive Review

Active and Passive Electronic Components, Volume 2024, Issue 1, 2024.
DC technologies constitute essential components within the scope of DC distribution networks. All DC networks confront inherent threats, such as DC short‐circuit faults, necessitating robust protective measures. Utilizing DC circuit breakers (DCCBs) emerges as a pivotal strategy for safeguarding these networks.
Sabah Daniar, Amirhossein Khosravi Sarvenoee, Yuh-Shyan Hwang   +2 more
wiley   +1 more source

Evaluation of existing DC protection solutions on the performance of an active LVDC distribution network under different fault conditions [PDF]

, 2017
Low Voltage Direct Current (LVDC) distribution is one of the new promising technologies that has been introduced for the integration of renewables and powering certain applications.
Burt, Graeme, Emhemed, Abdullah, Norman, Patrick, Wang, Dong   +3 more
core  

Design of a Solid-State Circuit Breaker for a DC Grid-Based Vessel Power System [PDF]

, 2019
Electric propulsion and integrated hybrid power systems can improve the energy efficiency and fuel consumption of different kinds of vessels. If the vessel power system is based on DC grid distribution, some benefits such as higher generator e ciency ...
Abad Biain, Gonzalo, Baraia-Etxaburu Zubiaurre, Igor, Tapia Hernandez, Lukas   +2 more
core   +1 more source

Protection Scheme based on Artificial Neural Network for Fault Detection and Classification in Low Voltage PV-Based DC Microgrid [PDF]

, 2023
With the expansion of the DC distribution market, protection, and operational concerns for Direct Current (DC) Microgrids have increased. Different systems have been investigated for detecting, finding, and isolating defects utilising a variety of ...
Ramaprasanna Dalai, et al.
core   +2 more sources