Positive-Sequence Component Based Directional Relaying Algorithm for Single-Pole Tripping

Akter, Samima; Das, Priyanath; Roy, Biman Kumar Saha; Abdelaziz, Almoataz Y.

doi:10.1007/s13369-019-04130-z

Cited by 6 publications

(2 citation statements)

References 29 publications

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“…Pradhan, A et al [119] proposed the fault current direction estimated by the positive sequence component of the current during a fault and pre-fault conditions. In addition, Akter S. et al [128] used the phase angle difference between fault and pre-fault positive-sequence current phasor to estimate the fault direction in a TL. Dehghani, M et al [78] proposed that fault direction identification based on the phase angle between superimposed voltage and current are applied as fault direction criteria.…”

Section: Fault Direction Identificationmentioning

confidence: 99%

Recent Developments and Challenges on AC Microgrids Fault Detection and Protection Systems–A Review

et al. 2020

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The protection of AC microgrids (MGs) is an issue of paramount importance to ensure their reliable and safe operation. Designing reliable protection mechanism, however, is not a trivial task, as many practical issues need to be considered. The operation mode of MGs, which can be grid-connected or islanded, employed control strategy and practical limitations of the power electronic converters that are utilized to interface renewable energy sources and the grid, are some of the practical constraints that make fault detection, classification, and coordination in MGs different from legacy grid protection. This article aims to present the state-of-the-art of the latest research and developments, including the challenges and issues in the field of AC MG protection. A broad overview of the available fault detection, fault classification, and fault location techniques for AC MG protection and coordination are presented. Moreover, the available methods are classified, and their advantages and disadvantages are discussed.

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Section: Fault Direction Identificationmentioning

confidence: 99%

Recent Developments and Challenges on AC Microgrids Fault Detection and Protection Systems–A Review

et al. 2020

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“…To accomplish this, the fault direction was detected using a new reference phasor that was created from postfault current using the S-Transform. A technique based on the angle between the fault and prefault positive sequence current phasor was given in [26]. Tis method is used for faults on series-compensated high-voltage transmission lines when single-pole tripping conditions are present.…”

Section: Introductionmentioning

confidence: 99%

A Novel Proposed Algorithm to Enhance the Overcurrent Relays’ Performance in Active Distribution Networks

El-Tawab

Mohamed

Abdelaziz

2022

International Transactions on Electrical Energy Systems

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This research addresses two topics: the first is the optimal coordination of overcurrent relays (OCRs), which has recently become a major challenge to ensure reliability and speed of relays’ operation, and the second is a modified circuit added to the OCR to vanquish the barriers caused by the ever-increasing participation of distributed energy resources (DERs), at a lower cost. For robust and reliable OCRs coordination, various types of optimization techniques are frequently used to find optimal OCRs settings in distribution networks (DNs). In this study, the improved wild horse optimization (IWHO) algorithm is used as a novel metaheuristic method for solving optimization issues in coordination of OCRs in a distribution network, for the first time. This technique is used to determine the optimal time multiplier setting (TMS) and optimal pickup setting (PS) of OCRs in order to minimize the overall operating time. The results of the proposed algorithm are compared with those obtained from other recent metaheuristic techniques. The obtained TMS and PS settings of each relay show the effectiveness of the proposed IWHO technique in terms of accuracy and speed in a medium scale radial network configuration. To replace the costly mitigation methods employed in the DN comprising DER, a simple circuit was proposed to be added to the OCR. Using the angle’s sign of positive sequence current component (PSCC) of fault current solely, this proposed circuit can detect the fault direction and assist the OCR in making the correct decision in fault detection and clearing with high penetration of DERs. IEEE-33 bus electrical power system has been used to validate the newly proposed protective solutions.

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Enhancing the performance of directional relay using a positive-sequence superimposed component

et al. 2019

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Positive-Sequence Component Based Directional Relaying Algorithm for Single-Pole Tripping

Cited by 6 publications

References 29 publications

Recent Developments and Challenges on AC Microgrids Fault Detection and Protection Systems–A Review

Recent Developments and Challenges on AC Microgrids Fault Detection and Protection Systems–A Review

A Novel Proposed Algorithm to Enhance the Overcurrent Relays’ Performance in Active Distribution Networks

Enhancing the performance of directional relay using a positive-sequence superimposed component

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