An Approach for Controlled Reclosing of Shunt-Compensated Transmission Lines

Dantas, Karcius Marcelus Colaço; Neves, Washington Luiz Araújo; Fernandes, Darlan A.

doi:10.1109/tpwrd.2013.2289394

Cited by 26 publications

(9 citation statements)

References 12 publications

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“…The energy trapped in the reactor and shunt capacitor of the transmission line oscillates until complete damping, and this energy oscillation between the transmission line and the parallel compensation creates a sub-synchronous component in the isolated phase voltage. In the literature, the created resonance after fault clearance has been used to diagnose secondary arc extinction [15,18,[24][25][26][27][28][29]. There is no sub-frequency component during fault, however, after the secondary arc extinguishing in the frequency range of 0 to 60 Hz, a sub-synchronous component appears in the faulty phase voltage for compensated transmission lines.…”

Section: Proposed Methodsmentioning

confidence: 99%

“…Shunt reactors are widely used in high voltage transmission lines to improve power system stability and line voltage profile regulation [23]. The methods presented in [24][25][26][27][28][29][30] are effective for shunt compensation transmission lines. In these methods, the beat frequency generated after the quenching of the secondary arc was used to detect the quenching of the secondary arc.…”

Section: Introductionmentioning

confidence: 99%

“…In these methods, the beat frequency generated after the quenching of the secondary arc was used to detect the quenching of the secondary arc. In [24], the local measured voltage frequency was analyzed using modal transformation and a simple zero crossing algorithm. The secondary arc extinction time was then specified for single-and double-phase-to-ground faults.…”

Section: Introductionmentioning

confidence: 99%

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Adaptive Overhead Transmission Lines Auto-Reclosing Based on Hilbert–Huang Transform

Baayeh

Bayati

2020

Energies

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This paper presents a reliable and fast index to detect the instant of arc extinction for adaptive single-pole automatic reclosing (ASPAR). The proposed method is a simple technique for ASPAR on shunt compensated transmission lines using the Hilbert–Huang Transform (HHT). The HHT method is a combination of the empirical mode decomposition (EMD) and the Hilbert transform (HT). The first intrinsic mode function (IMF1) decomposed by EMD, which contains high frequencies of the faulty phase voltage, was used to calculate the proposed index. HT calculates the first IMF spectrum in the time-frequency domain. The presented index is the sum of all frequency contents below 55 Hz, which remains very low until the fault clearance. The proposed method uses a global threshold level and therefore no adjustment is needed for different transmission systems. This method is effective for various system configurations including different fault locations, line loading, and various shunt reactor configurations, designs, compensation rates, and placement. The performance of the method was verified using 324 test cases simulated in electromagnetic transient program (EMTP) related to a 345 kV transmission line. For all the test cases, the algorithm successfully operated with an average reclosing time delay of 32 ms.

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Section: Proposed Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Adaptive Overhead Transmission Lines Auto-Reclosing Based on Hilbert–Huang Transform

Baayeh

Bayati

2020

Energies

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“…Although several studies have proposed suitable adaptive SPAR (ASPAR) schemes, these schemes are for conventional power transmission lines and not specific for wind-powered outgoing lines. On the basis of previous studies on faulty phase voltage [14,15], transient fault identification (TFI) methods based on recovery voltage were proposed [16][17][18][19][20][21], both voltage magnitude and phase angle are pretty different before and after the fault extinction, which have been adopted to distinguish transient faults from permanent ones. Because of shunt reactors compensation effect, measurement and calculation of faulty phase voltage magnitude and phase angle are difficult and inaccurate, which are insufficient for TFI.…”

Section: Introductionmentioning

confidence: 99%

Online parameter determination based adaptive single‐phase reclosing scheme for wind‐powered outgoing lines with shunt reactors

Chao

2019

IET Renewable Power Generation

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As the only power output channel of wind farms, wind-powered outgoing lines carry the risk of reclosing to faults as an applied single-phase reclosing scheme recloses the outgoing line after a fixed time without distinguishing transient and permanent faults. Although various transient-fault identification (TFI) methods were proposed for conventional power transmission lines with shunt reactors, they can be hardly utilised on wind-powered outgoing lines with shunt reactors due to the influence of outgoing line complex working conditions and wind farms inconsistent output power. In this study, reactive power was calculated using the instantaneous power algorithm to obtain the equivalent reactance of the outgoing line faulty phase shunt reactor. Then, a TFI method for the outgoing lines with shunt reactors based on online parameter determination was proposed, a relevant adaptive single-phase auto-reclosing (ASPAR) scheme was established. Finally, the validity and feasibility of the proposed TFI method and ASPAR scheme were verified by conducting simulation experiments on the software PSCAD/ EMTDC. The experiments confirmed that the proposed ASPAR scheme can achieve immunity to changes in fault location and transition resistance, and are therefore suitable for inconsistent output power of wind farms and complex working conditions of outgoing lines.

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“…Caso o defeito persista, deve-se interromper o processo de religamento visando garantir que isto não ocorra enquanto a falta perdurar. Visando o atendimento a este quesito, uma das estratégias se apoia na observação dos sinais das tensões modais[33].Após a abertura do disjuntor, idealmente, espera-se que o fator R² se apresente com valores próximos a um e, com o término da falta, que tal grandeza seja nula.Identificada a extinção do defeito, o passo seguinte consiste na obtenção das amplitudes e frequências dos sinais presentes em ambos os lados do disjuntor. Isto tem Média aritmética dos valores de frequência a cada duas passagens por zero.…”

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Análise computacional do desempenho de estratégia para o religamento controlado de linhas de transmissão

Gregory¹

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Dedico este trabalho às minhas irmãs Kássia e Barbara, por todo amor, incentivo e confiança dedicados a mim e à minha querida mãe que sempre está presente em pensamento, fortalecendo as minhas decisões. _____________________________________________________________________________ v AGRADECIMENTOS Inicialmente, Agradeço aos meus pais, Maria Auxiliadora Paisano Filiagi e Jaime Fernando Gregory, pelo dom da vida, sobretudo à minha mãe, responsável pela minha criação e educação. Obrigada mãe pelo amor, confiança e cuidados prestados à mim durante a sua passagem pela vida. Sou grata às minhas irmãs Kássia Auxiliadora Filiagi Gregory e Barbara Victória Filiagi Assunção pelo amor, carinho, confiança e alegria. Agradeço, também, aos demais familiares que me incentivaram e acreditaram no meu potencial. Agradeço, especialmente, ao professor orientador, José Carlos de Oliveira, pela presença, atenção e orientação prestada no que diz respeito aos trabalhos elaborados e as discussões do dia-a-dia, as quais auxiliaram na construção de ideias e na formação do pensamento. Sou grata, substancialmente, aos amigos pelo companheirismo, afeto e convivência que me fortaleceram durante a toda a vida. Obrigada aos companheiros de laboratório que contribuíram para que as horas de trabalho não se tornassem tão cansativas. Agradeço a todos pelo apoio, ajuda e atenção, especialmente à Andréia Crico dos Santos que me auxiliou efetivamente na construção do cerne desta dissertação. Registro meu agradecimento ao professor Marcelo Lynce Ribeiro Chaves pela sua disposição e contribuição técnica na presente dissertação. Agradeço, também, à Pósgraduação em Engenharia Elétrica da Universidade Federal de Uberlândia pela oportunidade ofertada, à Cinara Fagundes pela simpatia e disposição inesgotável no que tange os procedimentos junto à secretaria do programa e a todos os professores da pósgraduação e externos que colaboraram de alguma forma com este trabalho ou me proporcionaram um incremento intelectual. Por fim, agradeço ao CNPq pelo incentivo financeiro e a Chesf que, em parceria com a UFCG e a UFU, subsidiou o projeto de pesquisa intitulado "Redução de Sobretensões de Manobra em Linhas de Transmissão Utilizando Chaveamento Controlado", cujo fruto resultou na presente dissertação de mestrado. _____________________________________________________________________________ vi "A intuição, não testada e não comprovada, é uma garantia insuficiente da verdade".

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An Approach for Controlled Reclosing of Shunt-Compensated Transmission Lines

Cited by 26 publications

References 12 publications

Adaptive Overhead Transmission Lines Auto-Reclosing Based on Hilbert–Huang Transform

Adaptive Overhead Transmission Lines Auto-Reclosing Based on Hilbert–Huang Transform

Online parameter determination based adaptive single‐phase reclosing scheme for wind‐powered outgoing lines with shunt reactors

Análise computacional do desempenho de estratégia para o religamento controlado de linhas de transmissão

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