An Analytical Review on State-of-the-Art Microgrid Protective Relaying and Coordination Techniques

Rezaei, Nima; Uddin, M. Nasir

doi:10.1109/tia.2021.3057308

Cited by 49 publications

(11 citation statements)

References 92 publications

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“…Besides that, the electrical energy demand is always increasing. In this scenario, distributed energy resources based on renewable energy source and the microgrid concept has been proposed as a solution to have electrical energy generation with less environment impact [1] [2].…”

Section: Introductionmentioning

confidence: 99%

Power Flow Numerical Assessment of a STATCOM iUPQC Utility Interface for Microgrids

Montagner¹,

Rech²,

Mezaroba³

2024

RE&PQJ

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The dual unified power quality conditioner (iUPQC) is an active filter that has been studied to be applied as utility interface in microgrid applications. It regulates the voltage of the microgrid side and controls the power flow between the grid and microgrid side. Besides that, ancillary functions to grid side has been proposed to extend its power quality compensation. This paper presents a detailed analytical and numerical analysis of the power flow of an iUPQC, which operates as an utility interface in microgrid applications with the extended function of STATCOM. It can compensate not only the disturbances at the load or microgrid side but also provides a RMS voltage regulation at the Point of Common Coupling (PCC), thus, providing reactive power to the grid. Moreover, the iUPQC power flow is evaluated considering the implementation of the power angle control (PAC), a technique used to share and equalize the power processed by each converter allowing the optimization of this conditioner. Therefore, this study can support the understanding of the power flow of the iUPQC operating as STATCOM, in order to share and optimize the available power in the iUPQC converters using PAC.

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Section: Introductionmentioning

confidence: 99%

Power Flow Numerical Assessment of a STATCOM iUPQC Utility Interface for Microgrids

Montagner¹,

Rech²,

Mezaroba³

2024

RE&PQJ

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“…Its primary purpose is to detect and isolate faults swiftly to prevent damage to equipment, minimize downtime, and maintain the overall integrity of the power system [ 3 ]. Overall, the key functions and characteristics of the protection relays in power systems can be classified as following items [ 4 , 5 ]: Fault Detection : Protection relays continuously monitor parameters such as voltage, current, frequency, and phase angles. They are capable of identifying abnormal conditions, including short circuits, overloads, and other faults.…”

Section: Introductionmentioning

confidence: 99%

Development of 3-phase fault detection, protection, and automation application with the present of DG in AC power system using GOOSE protocol

Shi,

Druzhinin

2024

Heliyon

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“…A state-of-the-art analysis of relays and coordination techniques applied in microgrids is presented in [5]. Considering that the microgrid remains disconnected from the power grid in islanded mode, it will affect the protection system performance while causing Energies 2023, 16, 2273 2 of 15 miscoordination, blinding, malfunctioning, and false tripping of protection relays.…”

Section: Introductionmentioning

confidence: 99%

Smart Protection System for Microgrids with Grid-Connected and Islanded Capabilities Based on an Adaptive Algorithm

et al. 2023

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This work proposes a smart protection system for microgrids, which relies on an adaptive metaheuristic for the automatic calculation of optimal settings for directional overcurrent relays (DOCRs). The adaptive fuzzy directional bat algorithm (AFDBA) associated with a fuzzy inference system (FIS) is used for this purpose. A prominent advantage of this solution is that there is no need for an initial tuning of the parameters associated with the algorithm, unlike many traditional approaches reported in the literature. Such a metaheuristic is used in the conception of an adaptive protection system (APS) in the context of a microgrid while taking into account the connection status of distributed generation (DG) units under distinct scenarios. A performance comparison with a protection system with fixed optimal settings (PSFOS) is also presented. The results demonstrate that the proposed APS outperforms the PSFOS while providing faster response, higher reliability and less susceptibility to miscoordination. In other words, it presents a shorter trip time when compared with the PSFOS, with a reduction of 6.83% and 26.58% when considering the DG penetration and the islanded microgrid, respectively.

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An Analytical Review on State-of-the-Art Microgrid Protective Relaying and Coordination Techniques

Cited by 49 publications

References 92 publications

Power Flow Numerical Assessment of a STATCOM iUPQC Utility Interface for Microgrids

Power Flow Numerical Assessment of a STATCOM iUPQC Utility Interface for Microgrids

Development of 3-phase fault detection, protection, and automation application with the present of DG in AC power system using GOOSE protocol

Smart Protection System for Microgrids with Grid-Connected and Islanded Capabilities Based on an Adaptive Algorithm

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