ANALIZA ZAKŁÓCEŃ W SIECIACH ELEKTROENERGETYCZNYCH WYWOŁANYCH WYŁADOWANIAMI PIORUNOWYMI
W artykule przedstawiono złożoność problematyki analizy stanów nieustalonych napięć pojawiających się w układzie elektroenergetycznym wskutek bezpośrednich wyładowań piorunowych do elementów konstrukcyjnych linii napowietrznej.
Mariusz Benesz, Rafał Tarko
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Research on Comprehensive Closing Protection for Capacitor based on ATP/EMTP [PDF]
Aiming at solving the problem of dash current and over voltage of parallel reactive compensation capacitor group in power system ,this paper research on the phase control synchronous switch and the current-limiting reactor .With the of Huangti system, which involves both of the protection tools, Simulation result demonstrates that dash current and the ...
Hao Zhou, He Liu
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NUMERICAL ANALYSIS OF ELECTRICAL CIRCUITS BY ATP-EMTP PROGRAM PACKAGE
U ovom završnom radu obrađena je problematika numeričke analize električnih strujnih krugova pomoću programskog paketa ATP-EMTP. Numeričko modeliranje izmjeničnih strujnih krugova provodi se na isti način kao i numeričko modeliranje istosmjernih strujnih
Leskur, Ante
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Desempenho da proteção diferencial em transformadores de potência perante condições especiais de operação [PDF]
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia ElétricaRelés digitais vêm gradualmente substituindo os relés eletromecânicos porque são mais sensíveis, mais flexíveis e várias ...
Verney, Luiz Henrique Costa de
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Comparison of ATP simulation and micro‐processor based fault location using DFT [PDF]
This paper evaluates the results of a microprocessor based fault locator employed on a laboratory power system model with those obtained within EMTP/ATP simulations.
Boxshall, T, Nouri, Hassan, Jalili, F
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Dangerous Voltages due to Direct Lightning Strike into the Communication Tower
This paper presents a novel technique for computing dangerous voltages due to direct lightning strike into the communication tower and associated earthing system, which is based on the use of the well-known ATP-EMTP software package.
Slavko Vujević, Petar Sarajčev
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Algoritmos para localización de fallas en líneas de transmisión, análisis para el caso colombiano
Se analizan cuatro algoritmos localizadores de fallas en líneas de transmisión, aplicados en el sistema de transmisión nacional colombiano. Se determina cual es más preciso y eficiente. Finalmente, se verifican por medio de simulaciones en EMTP/ATP, y
Gina M. Idárraga Ospina +2 more
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基于ATP-EMTP仿真软件的输电线路雷击跳闸率多因素对比分析研究
通过电磁暂态仿真程序ATP-EMTP,建立了110 kV输电线路的雷击分析模型,主要包括:雷电流模型、杆塔模型、绝缘子串闪络模型等,该模型可以真实地反映雷电流在杆塔上的传播过程。然后分别利用规程法和ATP仿真法进行了计算与分析,得到线路在不同条件下的跳闸率;分析了杆塔高度、冲击接地电阻以及线路绝缘水平等因素对雷击跳闸率的影响。结果表明:在同等情况下,ATP-EMTP仿真计算的反击跳闸率略高于规程法的计算值;随着杆塔高度的降低、杆塔冲击接地电阻的减小、绝缘强度的增强,反击跳闸率减小。
肖安南 +6 more
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Lightning Performance Evaluation of Italian 150 kV Sub-Transmission Lines
A significant majority of overhead transmission lines’ (OHLs) outages is due to backflashovers caused by direct lightning strikes: the realistic assessment of the lightning performance is thus an important task.
Fabio Massimo Gatta +4 more
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Modeling an Industrial Distribution Network with Significant Photovoltaic Integration Using ATP-EMTP
This article presents an analysis of the impact of photovoltaic (PV) sources on the effectiveness and selectivity of earth fault protection in a 6 kV industrial distribution network. Simulations were conducted in the ATP-EMTP environment using a model of
Katarzyna Nowińska, Krzysztof Kuliński
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