Results 51 to 60 of about 337 (116)

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

A digital-controlled SiC-based solid state circuit breaker with soft switch-off method for DC power system [PDF]

, 2019
Due to the lower on-state resistance, direct current (DC) solid state circuit breakers (SSCBs) based on silicon-carbide (SiC) metal-oxide-semiconductor field-effect transistors (MOSFETs) can reduce on-state losses and the investment of the cooling system
Dong, Yaowen, Mo, Yubin, Qin, Haihong, Xun, Qian, Zhang, Ying   +4 more
core   +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

Prospects of regenerative current breaking in DC circuit breaker topology [PDF]

, 2021
Due to the stunning advancement of power electronics, DC power system is getting immense attention in the field of research. Protection and hereafter the protective devices for the DC power system application are two vital areas that need to be explored ...
Kannan, Ramani, Lumen, S. M. Sanzad, Yahaya, Nor Zaihar   +2 more
core   +3 more sources

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

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

Analysis and Implementation of the Crowbar Clamping Circuit for Surge Voltage Reduction in the DC Solid-State Circuit Breaker

IEEE Access
The DC Solid-State Circuit Breaker (SSCB) is usually used to prevent damage to sensitive equipment and ensure system stability by rapidly interrupting fault currents and improving safety.
Phanit Sok, Sung-Geun Song, Feel-Soon Kang   +2 more
doaj   +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