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Intelligent coordinated adaptive distance relaying
Electric Power Systems Research, 2014Abstract Malfunctioning of distance relay third zone has been identified as one of the leading factors of power system blackouts in several nations. This inconsistency in operation happens when heavy loads start encroaching the zone 3 settings. In this paper, a novel multi-agent system based methodology for power system protection coordination is ...
Mohammed A. Haj-ahmed +1 more
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Overcurrent relay coordination by evolutionary programming
Electric Power Systems Research, 2000Abstract This paper presents a novel optimization technique based on evolutionary programming for overcurrent (OC) relay coordination in ring fed distribution networks. Since the problem has multi-optimum points, ordinary mathematical based optimization techniques will fail.
C.W. So, K.K. Li
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Intelligent Relay Coordination Method for Microgrid
2020This chapter basically deals with the protection coordination of a typical microgrid with distributed energy sources. As we are aware that fault current changes its direction when microgrid switches from non-islanded condition to islanded condition, so the main challenge before the power engineer’s is to have a proper protection coordination in dual ...
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Non-conventional Overcurrent Relays Coordination
2019The Invasive Weed Optimization (IWO) algorithm has been adapted for the high dimension coordination problem. Many utilities follow the criterion of increase use of differential protection in transmission lines which has absolute selectivity with no backup function offered.
Erik Cuevas +2 more
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Optimal coordination of directional overcurrent relays
2018The coordination between DOCRs is nonlinear and highly constrained optimization problem in which two settings, namely, TDS and PCS of each relay are considered as decision variables. The main objective is to minimize the sum of OTs of all the primary relays, which are expected to operate in order to clear the faults of their corresponding zones.
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Relay coordination in DG integrated system
2021 Fourth International Conference on Electrical, Computer and Communication Technologies (ICECCT), 2021Sanjay Varghese John, Mabel Ebenezer
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New DOCR coordination via non-conventional time curves to achieve bounded relay times
International Journal of Electrical Power and Energy Systems, 2023Arturo Conde
exaly
Coordination of Overcurrent Relay and Differential Relay on Substation Transformer
2025 9th International Conference On Electrical, Electronics And Information Engineering (ICEEIE)Langlang Gumilar +5 more
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