Investigating the impact of electric vehicles on increasing the reliability of the distribution system using the enhanced gray wolf evolutionary algorithm model. [PDF]
Sci RepNaeimi M +4 more
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Consensus-based feature selection and Bayesian-optimized stacking ensembles for comprehensive fault diagnosis in series-compensated ultra-high-voltage power systems. [PDF]
Sci RepNawaz R, Qamar A, Wadood A, Albalawi H.
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Optimizing AVR system performance via a novel cascaded RPIDD2-FOPI controller and QWGBO approach. [PDF]
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Next generation power inverter for grid resilience: Technology review. [PDF]
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Abstract This paper presents the design and construction of overcurrent and directional overcurrent relays with ground fault protection for the protection of three-phase subtransmission and distribution systems, using a 16-bit microprocessor, the Intel 8096BH. The relay obtains the system currents at the rate of 12 samples per cycle and estimates the
A C Liew
exaly +2 more sources
Current-Only Directional Overcurrent Relay
IEEE Sensors Journal, 2011Overcurrent relays are widely used for protection of power systems, directional ones for transmission side, and nondirectional ones for distribution side. The fault direction may be forward (between relay and grid), or reverse (between relay and source), the normal power flow being from source to the grid. Known directional overcurrent relays rely on a
Abhisek Ukil
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Adaptive Settings of Directional Overcurrent Relay
2020 International Conference on Electrical Engineering (ICEE), 2020Power distribution system condition changes dynamically due to presence of distributed energy resources (DERs). This can cause failure of protection system of meshed system. To cope with changing system condition, settings of numerical directional overcurrent relays should be changed accordingly.
Anil Vaidya
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Designing of Numerical Directional Overcurrent Relay
2018 International Conference on Smart Electric Drives and Power System (ICSEDPS), 2018This paper gives an insight into designing of numerical directional over-current relay for distribution system using real time signals. For fault detection differential sampling method is used. Real time signals are converted in discrete form using an advanced analog to digital conversion device Advantech USB 4711/A.
Rupal Agarwal +2 more
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Smart distribution protection using current-only directional overcurrent relay
2010 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT Europe), 2010Overcurrent relays are widely used for power systems protection. Transmission side uses more directional type relays, while distribution systems, e.g., radial and ring-main subtransmission systems use non-directional types. The fault direction may be forward (between relay and grid), or reverse (between relay and source), the normal power flow being ...
Abhisek Ukil
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Directional Overcurrent Relaying (67) Concepts
59th Annual Conference for Protective Relay Engineers, 2006., 2006Directional overcurrent relaying (67) refers to relaying that can use the phase relationship of voltage and current to determine direction to a fault. There are a variety of concepts by which this task is done. This paper will review the mainstream methods by which 67 type directional decisions are made by protective relays.
J. Horak, W. Babic
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