Smart grid protection through self-healing

Chandraratne, C.; Naayagi, R. T.; Logenthiran, T.

doi:10.1109/isgt-asia.2017.8378429

Cited by 11 publications

(2 citation statements)

References 14 publications

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“…Under time overcurrent relay, three regularly utilized characteristics. As the working time diminishes, the current increments [8]. They are inverse, very inverse, and extremely inverse characteristics as appeared in Fig.…”

Section: Fig 3 Representation Of Overcurrent Relaymentioning

confidence: 80%

Coordination of Over Current Relays in Distributed Generation

Reddy¹,

Devaraju²,

Kumar³

et al. 2019

IJRTE

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The modern power system increases the power by adding Distributed Generation (DG). When distributed energy sources are added to the network, they effect the conventional fault levels and fault current paths and have been proved that the accurate operation of the overcurrent protection is not possible. This paper describes time overcurrent relay protection for radial distribution system (RDS) with DG. These time overcurrent relays is implemented by using IEC-60255 standard. The proposed protection outline is verified on a typical IEEE 13-bus radial distribution system with distributed energy source. The model of the system is replicated by using MATLAB/Simulink.

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Section: Fig 3 Representation Of Overcurrent Relaymentioning

confidence: 80%

Coordination of Over Current Relays in Distributed Generation

Reddy¹,

Devaraju²,

Kumar³

et al. 2019

IJRTE

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“…Due to the environmental and global warming issues, people have been recommending and projecting ideas on the smart grid. Today, the smart grid is a significant concept in the power policy national wide [1,2]. After the smart grid is introduced, the next generation of the grid is the microgrid.…”

Section: Introductionmentioning

confidence: 99%

Adaptive Protection for Microgrid with Distributed Energy Resources

et al. 2020

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The microgrid includes a distribution system with low voltage, controllable load, and distributed energy resources (DER). The DERs have been increased in the recent power network to address global environmental concerns, which creates challenges in faults, synchronization, inertia control, etc. As the technologies are getting advanced day by day, the past technology becomes obsolete. The internet of things (IoT) and artificial intelligence (AI) are the most discussed topics to obtain solutions for the challenges. One of the proposed solutions is adaptive overcurrent protection, as it can be used for any grid. In this paper, an algorithm is developed for the adaptive overcurrent relay protection to overcome the challenges of the microgrid with distributed energy resources. Then, the solutions obtained from the adaptive overcurrent protection algorithm network simulation are compared to the traditional overcurrent protection algorithm using the four key points such as selectivity, reliability, sensitivity, and speed to have a good performance in the power network. All the simulation studies are done in the electrical transient analyzer program (ETAP) software environment. Simulation results validate the performance of the proposed algorithm for adaptive protection using the IEEE-9 bus system with a microgrid.

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