Results 91 to 100 of about 1,760 (188)

Low-Cost Monitoring of Synchrophasors Using Frequency Modulation

open access: yesEnergies, 2019
A new, low-cost method of simultaneously measuring and communicating voltage and current on distribution networks is presented. Based on Frequency Modulation (FM) of the measured fundamental frequency (and harmonics), followed by immediate re-injection ...
Stephen Robson   +2 more
doaj   +1 more source

Dynamic response of a group of synchronous generators following disturbances in distribution grid [PDF]

open access: yes, 2016
The connection of distributed sources and their impact on distribution grid has been the subject of intensive research in the last two decades. Creating a favorable environment for the production of electrical energy from renewable energy sources in many
Alija Jusić, Samir Avdaković
core   +1 more source

Production improvement in ACM manufacturing company using lean manufacturing approach [PDF]

open access: yes, 2013
ACM Sdn. Bhd. is a manufacturing company, in which to continuously commit on improvement process which based on the fundamental goal, to minimize or eliminate waste while maximizing production flow.
Sidek, Kamsidi @ Abd Malek
core  

A Power Systems Transients Controller Using Transient Analysis Of Control Systems (Tacs) Modules. [PDF]

open access: yes, 2010
The objectives of this research are to: (a) develop and present a power system controller to protect power systems from electrical transients after system disturbances; (b) enhance system operation. A Power System Transient Control System (PSTC) has been
Miller, Shonique L.
core   +1 more source

Fault location on multiterminal transmission lines using only two terminals data [PDF]

open access: yes
Um novo método de localização de faltas em linhas de transmissão continuamente transpostas e com múltiplas derivações é apresentado neste artigo. O mesmo é baseado nos fasores de tensão e corrente, pré-falta e pós-falta, medidos em regime permanente nos ...
Di Santo, Silvio Giuseppe   +2 more
core   +1 more source

Simulation Research of Lightning of Mine Power Supply System

open access: yesGong-kuang zidonghua, 2010
The paper selected 110 kV transmission line of mine area for simulation research object and used ATP-EMTP electromagnetic transient analysis software to establish mathematical model of transmission line struck by lightning.
ZHAO De-sha
doaj  

基于EMTP/ATP的避雷器局放定位的仿真及应用

open access: yesDianci bileiqi, 2013
对避雷器内部局部放电的定位方法进行研究,提出了一种有效的针对避雷器及其类似设备内部缺陷定位的极性定位法,并通过EMTP/ATP仿真技术及现场试验验证,验证了该方法的正确性和可行性,具有一定的工程实践意义。
邱太洪   +4 more
doaj  

Investigation and Optimization of Grounding Grid Based on Lightning Response by Using ATP-EMTP and Genetic Algorithm

open access: yesComplexity, 2018
A large number of electromagnetic transient studies have been analyzed for finding the overvoltage behavior of power system. A grounding grid of power system is so important for reducing the effect of overvoltage phenomena during a short-circuit event ...
Saeid Gholami Farkoush   +7 more
doaj   +1 more source

基于ATP-EMTP煤矿线路避雷器的仿真

open access: yesDianci bileiqi, 2013
国内煤矿输电线路防雷技术众多,从目前使用情况看,效果不是很好。主要原因是雷电活动的随机性,加上煤矿所处环境的复杂性,很难确定雷击故障的类型,造成防雷措施针对性不够强[1]。介绍了一种基于ATP-EMTP的线路避雷器的仿真,建立的某煤矿的线路防雷模型,仿真并验证了避雷器安装原则,对合理、经济使用线路避雷器这一防雷措施具有建设性的意义。
刘建华, 姚建国, 李慧敏
doaj  

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