Detection of High Impedance Fault in DC Microgrid

Sheikh, Adil Ayub; Wakode, Sarvesh A.; Deshmukh, Rohit R.; Ballal, Makarand Sudhakar

doi:10.1109/pedes49360.2020.9379409

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Cited by 9 publications

(1 citation statement)

References 16 publications

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“…The most faults of DC microgrids are low-impedance and high-impedance faults. Therefore, the LST can solve these problems by detecting the high impedance fault without any communication link on the system [157].…”

Section: Least Square Techniquementioning

confidence: 99%

Control and estimation techniques applied to smart microgrids: A review

Mbungu

Adam

Al-Shabi

et al. 2023

Renewable and Sustainable Energy Reviews

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Section: Least Square Techniquementioning

confidence: 99%

Control and estimation techniques applied to smart microgrids: A review

Mbungu

Adam

Al-Shabi

et al. 2023

Renewable and Sustainable Energy Reviews

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A fault detection and location algorithm for the LVDC interconnection network in rural area

Liu,

Rodriguez‐Bernuz,

Liu

et al. 2024

IET Generation Trans & Dist

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Low voltage DC (LVDC) microgrids (MGs) can be linked together through an interconnection network to enhance the utilization of their energy resources in remote locations, particularly in rural low‐income areas. However, the identification of the fault is challenging due to the fast fault transients and equipment limitations, where there are no sensors and DC circuit breakers (DCCBs) in the lines. To solve this problem, this article proposes a fault detection and location algorithm without requiring extra sensors and DCCBs in lines. The proposed algorithm uses the sensors of the interface converters to detect the fault. Following this, a coordinated current injection method is used to identify the faulty element by coordinating converters with disconnectors. This process employs two strategies “weight check” and “scope check” to minimize the time and the number of actions. The algorithm is robust to various fault impedance, fault types and network topology modifications. The effectiveness of the algorithm is validated through a series of simulation case studies.

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A Critical Analysis on Different High Impedance Fault Detection Schemes

Mondal,

Pradhan

2023

Electric Power Components and Systems

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Detection of High Impedance Fault in DC Microgrid

Cited by 9 publications

References 16 publications

Control and estimation techniques applied to smart microgrids: A review

Control and estimation techniques applied to smart microgrids: A review

A fault detection and location algorithm for the LVDC interconnection network in rural area

A Critical Analysis on Different High Impedance Fault Detection Schemes

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