Results 11 to 20 of about 329,153 (310)

A supercapacitor based enhancement technique for stand-alone surge protection circuits [PDF]

open access: yes, 2013
With the International Technology Roadmap for Semiconductors predicting below-25nm feature-size VLSIs, powered by DC power supplies of less than 1V, protection against transients has become mandatory for modern electronic systems.
Fernando, Jayathu, Kularatna, Nihal
core   +2 more sources

Over Voltage and Under Voltage Protection System Using IoT

open access: yesJournal of Physics: Conference Series, 2022
Abstract Sudden fluctuation in voltage may cause a serious problem in industries and home appliances. These fluctuations may significantly impact the power quality as well as the reliability of other voltage controlling devices. However, this paper discussed about designing for under voltage and over voltage protection to protect and ...
Mohd Anuar Bin Mohamed Ayub   +5 more
openaire   +1 more source

Simulation and research on over-voltage suppression for high voltage transmission line

open access: yesThe Journal of Engineering, 2019
For different types of fault in transmission line, the generation mechanism of tripping and closing over-voltage is analysed. To built the double power supply system of high-voltage transmission line simulation model by PSCAD/EMTDC, finally, for the ...
Qi Yao, Chuan Su, Yi Ji
doaj   +1 more source

Distributed photonic instrumentation for smart grids [PDF]

open access: yes, 2013
Photonic sensor networks possess the unique potential to provide the instrumentation infrastructure required in future smart grids by simultaneously addressing the issues of metrology and communications.
Beaumont, Phil   +6 more
core   +1 more source

Effect of grounding grid of power transmission line on buried pipeline under short circuit fault

open access: yesYou-qi chuyun, 2021
In order to study the electromagnetic interference of the short-circuit current of grounding point when power transmission line is in fault operation, a model for grounding grid of transmission line towers and buried pipelines was established with the ...
Shaojie WANG   +4 more
doaj   +1 more source

Effects of energy storage systems grid code requirements on interface protection performances in low voltage networks [PDF]

open access: yes, 2017
The ever-growing penetration of local generation in distribution networks and the large diffusion of energy storage systems (ESSs) foreseen in the near future are bound to affect the effectiveness of interface protection systems (IPSs), with negative ...
Bignucolo, Fabio   +4 more
core   +2 more sources

Protection Method Based on Wavelet Entropy for MMC-HVDC Overhead Transmission Lines

open access: yesEnergies, 2021
Recent technological developments in modular multilevel converter-based high-voltage direct current (MMC-HVDC) transmission systems have shown significant advantages over the traditional HVDC and two-level voltage source converter (VSC) transmission ...
Weibo Huang   +5 more
doaj   +1 more source

A novel control technique for on‐load tap changer to enlarge the reactive power capability of wind power plants

open access: yesIET Generation, Transmission & Distribution, 2022
This paper suggests a new control algorithm for On‐Load Tap Changer (OLTC) of wind farm main transformer that is responsible for voltage regulation of collector network.
Bakhtyar Hoseinzadeh, Frede Blaabjerg
doaj   +1 more source

Electrical appliances protection using auto cut under voltage and over voltage tripping mechanism [PDF]

open access: yes, 2020
Power quality is a term that refers to maintaining the near sinusoidal waveform of power distribution bus voltages and current at rated magnitude and frequency.
Abu Bakar, Nur Hijrah   +2 more
core  

Design of a pulse power supply unit for micro-ECM [PDF]

open access: yes, 2014
Electrochemical micro-machining (μECM) requires a particular pulse power supply unit (PSU) to be developed in order to achieve desired machining performance. This paper summarises the development of a pulse PSU meeting the requirements of μECM. The pulse
A Muetze   +28 more
core   +1 more source

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