Results 91 to 100 of about 7,748 (269)

Impact Assessment of Hypothesized Cyberattacks on Interconnected Bulk Power Systems

open access: yes, 2018
The first-ever Ukraine cyberattack on power grid has proven its devastation by hacking into their critical cyber assets. With administrative privileges accessing substation networks/local control centers, one intelligent way of coordinated cyberattacks ...
Ginter, Andrew   +4 more
core   +1 more source

Assessing the impact of distributed energy resources on overcurrent protection in microgrids for enhanced effectiveness

open access: yesResults in Engineering
The inevitable diminutions of fossil fuel, declined energy efficiency, and sustainability considerations have sparked concerns about centralized generating facilities in traditional grids.
Abdelfattah A. Eladl   +4 more
doaj   +1 more source

A Test bed dedicated to the Study of Vulnerabilities in IEC 61850 Power Utility Automation Networks

open access: yes, 2016
International audienceIndustrial control systems rely more and more on digital technologies. Although the cyber risk such technologies induce is widely judged as serious, especially for critical infrastructures, these systems have generally not been ...
Kabir-Querrec, Maëlle   +3 more
core   +2 more sources

An experimental model of a 2kw, 2500 volt power converter for ion thrustors using gate controlled switches in two phase-shifted parallel inverters summary report [PDF]

open access: yes
Power converter for ion thrustors using electronic gate controlled switches in two phase-shifted parallel ...
Elder, F. A., Staley, L. E.
core   +1 more source

Development of microcontroller based over-current relay controls [PDF]

open access: yes, 2014
This Project is about designing the controls of an Overcurrent relay using microcontroller. Relay is an electrical switch. Generally it operates on electromagnetic principle for switching action.
Krishna, A. V. Jay   +2 more
core  

A novel protection relay for neutral effectively grounded distribution networks independent on sequence components

open access: yesInternational Journal of Electrical Power & Energy Systems
The neutral effectively grounded system (NEGS), increasingly adopted in medium-voltage urban AC distribution networks, exhibits heightened susceptibility to fault-induced overcurrent.
Xinjie Zeng, Xiangrui Tong, Ning Tong
doaj   +1 more source

Apollo experience report: Lunar module electrical power subsystem [PDF]

open access: yes
The design and development of the electrical power subsystem for the lunar module are discussed. The initial requirements, the concepts used to design the subsystem, and the testing program are explained.
Campos, A. B.
core   +1 more source

Pengembangan Sistem Proteksi Digital Arus Lebih Berbasis Logika Fuzzy sebagai Pengaman PLTMH

open access: yesJurnal Nasional Teknik Elektro, 2013
In this paper discussed digital overcurrent protection system fuzzy logic on plant systems or Micro Hydro Power Plants with fuzzy logic approach to the identification of the signal changes due to interference overcurrent short circuit the lifeboat ...
Cahayahati   +3 more
doaj  

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