Results 31 to 40 of about 39,622 (243)

A Review on Thomson Coil Actuators in Fast Mechanical Switching

Actuators, 2022
With the rapid development of DC power systems and the increasing demand for DC circuit breakers, electromagnetic repulsive drives-based Thomson coil actuators (TCA) are widely investigated to provide the high-speed actuating required for ultra-fast ...
Mohmmad Al-Dweikat, Jian Cui, Shuai Sun, Mingming Yang, Guogang Zhang, Yingsan Geng   +5 more
doaj   +1 more source

Circuit breaker prognostics using SF6 data [PDF]

, 2011
Control decisions within future energy networks may take account of the health and condition of network assets, pushing condition monitoring within the smart grid remit.
Catterson, Victoria, Johnstone, Carl, Mcarthur, Stephen, Rudd, Susan   +3 more
core   +1 more source

Molded Case Circuit Breakers - Some Holes in the Electrical Safety Net

IEEE Access, 2018
Test results presented in this paper demonstrate that some brands of residential molded case circuit breakers do not operate properly within the limits specified by the applicable standard. The samples tested are both used, from homes, and new, purchased
Jesse Aronstein, David W. Carrier
doaj   +1 more source

A Review on Hybrid Circuit Breakers for DC Applications

IEEE Open Journal of the Industrial Electronics Society, 2023
Direct current (dc) power system protection presents a major challenge due to its unique characteristics, namely the absence of natural zero current crossing points.
Ana Rafaela Figueiredo Bento, Fernando Bento, Antonio J. Marques Cardoso   +2 more
doaj   +1 more source

Multimedia congestion control: circuit breakers for unicast RTP sessions [PDF]

, 2017
The Real-time Transport Protocol (RTP) is widely used in telephony, video conferencing, and telepresence applications. Such applications are often run on best-effort UDP/IP networks.
Perkins, C., Singh, V.
core   +2 more sources

Resilience in a noisy urban system

Regional Science Policy &Practice, EarlyView., 2023
Abstract The ability of cities to recuperate from disturbances and return to their evolutionary pathways depends, first and foremost, on the type of damage that the shock created. But in addition, it depends on how information is transmitted in the urban system and on how noise filters distort the information that reaches economic agents.
Dani Broitman, Daniel Czamanski
wiley   +1 more source

Mechanical Fault Diagnosis of High Voltage Circuit Breakers Based on Phase Space Reconstruction and Improved GSA-SVM

Zhongguo dianli, 2021
The vibration signals generated by transmission and impact of circuit breaker mechanical components have chaotic characteristics, which are difficult to be analyzed with conventional signal processing methods.
Xiaofei XIA, Yufeng LU, Yi SU, Jian YANG
doaj   +1 more source

Feature extraction and state discrimination of opening and closing coils of high-voltage circuit breakers based on corner point location

Zhejiang dianli
The extraction of current characteristics from the opening and closing coils is a crucial method for monitoring the state of high-voltage circuit breakers.
WANG Shaohe, JIANG Jiongting, JIANG Keruo, ZHANG Miaobin, WANG Fenghua, CHEN Xiaoxin   +5 more
doaj   +1 more source

Study on working condition of 750 kV AC filter breaker in ± 1100 kV UHVDC system

The Journal of Engineering, 2019
In this article, the Changji-Guquan ± 1100 kV ultra-high voltage direct current (UHVDC) system has been established by PSCAD software, especially for the arc of the circuit breakers.
Zexin Zhao, Jie Guo, Fang Yu, Xuni Rao, Xiaoke Wu   +4 more
doaj   +1 more source

Analysis of multiple-faults of high-voltage circuit breakers based on non-negative matrix decomposition

Global Energy Interconnection
High-voltage circuit breakers are the core equipment in power networks, and to a certain extent, are related to the safe and reliable operation of power systems. However, their core components are prone to mechanical faults.
Yongrong Zhou, Zhaoxing Ma, Hao Chen, Ruihua Wang   +3 more
doaj   +1 more source