2018 18th International Conference on Harmonics and Quality of Power (ICHQP) 2018
DOI: 10.1109/ichqp.2018.8378844
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Comparison of methods using only voltage measurements for detecting the origin of voltage sags in the modern distribution networks

Abstract: In this paper, we analysed two methods, M1 and M2, for determining in which network the voltage sags originated. The problem referred to the High Voltage (HV) and Medium Voltage (MV) systems interconnected by HV/MV stations. The methods were compared using timedomain simulations, short circuits were forced on the HV or the MV network, the voltage sags were observed, and M1 and M2 were applied. Comparisons of M1 and M2 behaviours were done for the same network architecture with and without Distributed Generatio… Show more

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Cited by 6 publications
(3 citation statements)
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“…Regarding STVV responsibility, few studies can be found compared to other power quality indicators. In [20], a proposal is given based on the measurements carried out on several network buses. The approach is based on the residual voltage being monitored on each busbar (the remaining voltage associated with the STVV), the instant the event occurs, and its duration.…”
Section: Introductionmentioning
confidence: 99%
“…Regarding STVV responsibility, few studies can be found compared to other power quality indicators. In [20], a proposal is given based on the measurements carried out on several network buses. The approach is based on the residual voltage being monitored on each busbar (the remaining voltage associated with the STVV), the instant the event occurs, and its duration.…”
Section: Introductionmentioning
confidence: 99%
“…A questão da identificação da responsabilidade sobre a origem das VTCDs, muito embora tenha sido alvo de investigações e publicações, até agora, através de levantamentos bibliográficos feitos, não se apresenta com um metodologia sólida, confiável, simples para implementação em campo ou para pós-processamento de dados. Tal afirmativa pode ser constatada em trabalhos como [7], [8], [9], [10] .…”
Section: Introductionunclassified
“…Estudos recentes voltados para o estabelecimento de mecanismos para atender aos requisitos acima postos podem ser identificados na literatura. Uma delas baseia-se na tensão residual presente no barramento e também na duração do evento [4]. Outro procedimento, vale-se do comportamento da potência do sistema, somando-se com o uso da "Short-Time Fourier Transform" e uma variação da mesma [5].…”
Section: Introductionunclassified