Results 1 to 10 of about 1,777 (189)
Studi Pemasangan Damping Reaktor untuk Mengatasi Feroresonansi pada Incoming 20 kV GIS Tandes [PDF]
Pada studi ini, dilakukan simulasi pemasangan damping reaktor sebagai salah satu teknik mitigasi feroresonansi dengan menggunakan ATP Draw. Damping reaktor sebagai teknik mitigasi feroresonansi menggunakan elemen resistor yang dipasang di sisi primer ...
Satria Seventino Simamora +2 more
doaj +2 more sources
采用ATP-EMTP软件搭建某实际线路模型,通过规程计算与仿真计算,对比分析3种雷击方式下的耐雷水平,研究哪种情况对线路的危害最大。针对雷击塔顶这种方式下,仿真分析其变量对耐雷水平的影响程度。并分析规程计算与仿真计算耐雷水平时产生误差的原因。认为:在对线路采取防雷措施时应特别考虑雷击塔顶这种情况并首先应将各基杆塔的接地电阻降至标准值以下。
陈冬, 刘建华, 贾晨曦
doaj
Este documento propone un método utilizando transformada Wavelet discreta (DWT) y Máquinas de Soporte Vectorial (SVM) para detectar y clasificar fallas a lo largo de una línea de transmisión.
F.I. Lozada +2 more
doaj +1 more source
Metal oxide surge arresters (ZNO) are used widely in power system to protect equipments from over voltages. Non uniform potential distribution leads to the depressed service life and low safe reliability, so grading ring is applied on HV surge arrester ...
M. Khodsuz, M. Mirzaie
doaj
Wide-band modelling of tower-footing grounding systems based on the impulse response measurement [PDF]
The tower footing grounding system is of major importance for analysis of the lightning overvoltages on an overhead transmission line during backflashover and shielding failure.
Jasika Ranko +3 more
doaj
Electric arc is a complex phenomenon occurring during the current interruption process in the power system. Therefore performing digital simulations is often necessary to analyse transient conditions in power system during switching operations.
Oramus Piotr +4 more
doaj +1 more source
Modelado de relés de distancia en ATP-EMTP - Parte 1.pdf
El trabajo completo presenta el modelado de un relé de distancia genérico en el ambiente de transitorio electromagnético (EMT), haciendo uso de las facilidades que ofrece el ATP-EMTP. Se modeló un relé de distancia genérico de característica mho integrado al motor solucionador de ATP.
openaire +1 more source
安装线路避雷器是输电线路最有效的防雷方法之一,常规的避雷器安装方式未考虑实际杆塔的结构、地形以及闪络成本等问题,导致技术经济性较差,存在一定的盲目性。为研究避雷器的经济性安装方案,基于ATP-EMTP与电气几何模型建立了同塔双回杆塔电磁暂态分析模型。研究了杆塔结构、地形地貌对双回线路闪络风险的影响,并考虑线路闪络成本对避雷器安装方式的影响,提出利用技术经济性指标W对避雷器不同安装方式下的防雷效果和经济性进行综合评估,当W>0时,避雷器安装具有经济性,W值越大,技术经济性越强。
艾上美, 马御棠, 张林华, 潘浩
doaj
Low-Cost Monitoring of Synchrophasors Using Frequency Modulation
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
Simulation Research of Lightning of Mine Power Supply System
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

