Results 71 to 80 of about 70,029 (188)

Voltage harmonic reduction for randomly time-varying source characteristics and voltage harmonics [PDF]

open access: yes, 2006
This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of Brunel University's products or services. Internal or personal use of this material is permitted.
Zobaa, AF
core   +1 more source

Modeling of traction power supply systems for movement of high-speed trains

open access: yesMATEC Web of Conferences, 2018
Upgrading of traction power supply systems will be required to transfer electrified railway lines to high-speed traffic. Coaxial cables and balancing transformers can be used as technical upgrading means.
Cherepanov Aleksandr   +2 more
doaj   +1 more source

Dynamic Voltage Restorer With Complete Control Of The Connection Transformers Saturation

open access: yesEletrônica de Potência, 2013
This paper proposes a technique to suppress saturation in series transformers applied to dynamic voltage restorer (DVR) systems. The method consists in correcting the voltages which are injected through the transformers into the power system to ...
Darlan A. Fernandes   +4 more
doaj   +1 more source

Acoustic Noise-Based Detection of Ferroresonance Events in Isolated Neutral Power Systems with Inductive Voltage Transformers. [PDF]

open access: yesSensors (Basel), 2022
Martinez R   +7 more
europepmc   +1 more source

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

Electronic Voltage and Current Transformers Testing Device

open access: yesSensors, 2012
A method for testing electronic instrument transformers is described, including electronic voltage and current transformers (EVTs, ECTs) with both analog and digital outputs. A testing device prototype is developed.
Yong Xiao   +3 more
doaj   +1 more source

Fabrication of graphene-based resistive sensor for eschericia coli bacteria sensing [PDF]

open access: yes, 2018
The presence of fecal coliform bacteria like Escherichia coli (E. coli) in aquatic environments indicates that the water has been contaminated with the fecal material of human or animals. The risk of health threatening to humans become high when E.
Wibowo, Kusnanto Mukti
core  

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