Development of Adaptive Reclosing Scheme Using Wavelet Transform of Neutral Line Current in Distribution System

Park, Jun‐Hee; Seo, Hun-Chul; Kim, Chul‐Hwan; Rhee, Sang-Bong

doi:10.1080/15325008.2015.1117165

Cited by 13 publications

(17 citation statements)

References 8 publications

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“…The approximation can be resolved many times with detail and approximation. That is, at higher resolutions, the lower-frequency components are extracted [17,18]. In this study, to utilize the feature of the switching surge with high frequency, we utilize the coefficient of the detailed component of level 2 (d2).…”

Section: Fault Classification Using Wavelet Transformmentioning

confidence: 99%

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New Protection Scheme Based on Coordination with Tie Switch in an Open-Loop Microgrid

Seo¹

2019

Energies

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Owing to the increase in renewable energy, microgrids (MGs) are increasing. A MG has a small loop-type grid configuration. In the loop MG, challenges in protection such as maloperation of protection relay may occur owing to bidirectional current flow. Herein, we propose a new protection scheme in the loop MG. Considerations for protection in loop MG and fault characteristics are analyzed. Based on these, a new index to solve the considerations for MG protection are proposed using a wavelet transform. Furthermore, the new protection scheme based on the coordination with tie switch using the proposed new index is proposed. To verify the proposed scheme, the MG and the proposed scheme are modeled using the electromagnetic transients program and MATLAB. Various simulations according to the fault location and the success/failure of fault section separation are performed. Simulation results indicate that the power supply on the original feeder can be maintained by proposed method.

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Section: Fault Classification Using Wavelet Transformmentioning

confidence: 99%

“…Wavelet transforms (WTs) have been used in power system protection because they can be used in a wide range of frequency bands. In [17,18], WT was applied to develop the reclosing algorithm in a distribution system. In [19,20], WT was applied to fault detection and classification.…”

Section: Introductionmentioning

confidence: 99%

New Protection Scheme Based on Coordination with Tie Switch in an Open-Loop Microgrid

Seo¹

2019

Energies

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“…However, these methods cannot be applied to distribution systems for several reasons, such as the configuration and short length of the distribution system. Only a small number of studies has been performed for the reclosing in distribution systems [14]. In [14], the wavelet transform was performed after which the total harmonic distortion was calculated.…”

Section: Introductionmentioning

confidence: 99%

“…Only a small number of studies has been performed for the reclosing in distribution systems [14]. In [14], the wavelet transform was performed after which the total harmonic distortion was calculated. A disadvantage of [14] is the complicated calculation procedure.…”

Section: Introductionmentioning

confidence: 99%

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New Adaptive Reclosing Technique in Unbalanced Distribution System

Seo¹

2017

Energies

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Abstract:The conventional reclosing of a distribution system is performed after a fixed dead time. However, it may lead to the increased outage time due to delayed reclosing. To solve this problem, this paper proposes a new adaptive reclosing scheme. The electrostatic induction is analyzed under at during-fault and post-fault conditions. Based on this analysis, the method to judge the fault clearance using the load current is proposed. The reclosing is adaptively performed after fault clearance. The distribution system and reclosing scheme are modelled by the electromagnetic transient program (EMTP). The various simulations according to the unbalanced ratio and various fault conditions are performed and analyzed. The superiority of the proposed scheme is verified by comparing with the conventional reclosing method.

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Uninterrupted Power Supply to Microgrid

Ghore

Biswal

2020

Lecture Notes in Electrical Engineering

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Development of Adaptive Reclosing Scheme Using Wavelet Transform of Neutral Line Current in Distribution System

Cited by 13 publications

References 8 publications

New Protection Scheme Based on Coordination with Tie Switch in an Open-Loop Microgrid

New Protection Scheme Based on Coordination with Tie Switch in an Open-Loop Microgrid

New Adaptive Reclosing Technique in Unbalanced Distribution System

Uninterrupted Power Supply to Microgrid

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