Results 151 to 160 of about 2,378 (215)

A Secure Dual-Layer Fault Protection Strategy for Distribution Network with DERs: Enhancing Security in the Face of Communication Challenges. [PDF]

Sensors (Basel)
Al Hanaineh W, Matas J, Guerrero JM, Bakkar M.   +3 more
europepmc   +1 more source

Optimizing AVR system performance via a novel cascaded RPIDD2-FOPI controller and QWGBO approach. [PDF]

PLoS One
Ekinci S, Snášel V, Rizk-Allah RM, Izci D, Salman M, Youssef AAF.   +5 more
europepmc   +1 more source

Next generation power inverter for grid resilience: Technology review. [PDF]

Heliyon
Hossain MT, Hossen MZ, Badal FR, Islam MR, Hasan MM, Ali MF, Ahamed MH, Abhi SH, Islam MM, Sarker SK, Das SK, Das P, Tasneem Z.   +12 more
europepmc   +1 more source

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Directional Overcurrent Relaying (67) Concepts

59th Annual Conference for Protective Relay Engineers, 2006., 2006
Directional 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
openaire   +2 more sources

Adaptive Settings of Directional Overcurrent Relay

2020 International Conference on Electrical Engineering (ICEE), 2020
Power 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.
Piyusha Ramesh Lidhade, Anil. P. Vaidya
openaire   +1 more source

Current-Only Directional Overcurrent Relay

IEEE Sensors Journal, 2011
Overcurrent 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, Bernhard Deck, Vishal H. Shah   +2 more
openaire   +1 more source

ANN based directional overcurrent relay

2001 IEEE/PES Transmission and Distribution Conference and Exposition. Developing New Perspectives (Cat. No.01CH37294), 2002
This paper describes the design and development of an ANN based novel directional overcurrent relay. A multi-layer feedforward neural network (FFNN) trained with the error backpropagation algorithm has been developed to realize this relay. The ANN based algorithm is off line tested using different simulation equations for overcurrent and voltage under ...
D.N. Vishwakarma, Z. Moravej
openaire   +1 more source

Microcontroller based overcurrent relay and directional overcurrent relay with ground fault protection

Electric Power Systems Research, 1996
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
Zhijun, G., Elangovan, S., Liew, A.C.
openaire   +1 more source

Designing of Numerical Directional Overcurrent Relay

2018 International Conference on Smart Electric Drives and Power System (ICSEDPS), 2018
This 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, T. G. Arora, Rajeshri Tiwari   +2 more
openaire   +1 more source