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Modelling and performance testing of a digital over-current relay enhanced designed model
Electrical engineering & Electromechanics, 2022 Introduction. The over-current relay is widely used to protect distribution and transmission electrical systems against excessive currents occurring due to short circuit or overload conditions.
H. Sekhane, D. Labed, M. A. Labed
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Energies, 2021 In this paper, the authors have developed a hardware model for blocking even and odd harmonics of a power transformer. In the proposed hardware model, intelligent differential & over-current relays are used for the blocking of harmonics of a power ...
Abdul Azeem +4 more
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Hybrid reed: Solid-state devices are a new generation of protective relays [PDF]
Serbian Journal of Electrical Engineering, 2007 Research and development in the field of electromechanical protective relays has not been conducted for tens of years. Author’s approach allows viewing the problem of re-equipment of relay protection in a new way.
Gurevich Vladimir
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Optimal coordination of over-current relays in microgrids considering multiple characteristic curves
Alexandria Engineering Journal, 2021 Nowadays, microgrids play a significant role in the development of modern distribution networks (DNs). In this context, the ever increasing presence of renewable distributed generation (DG) in microgrids has imposed new challenges in protection ...
Sergio D. Saldarriaga-Zuluaga +2 more
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Design and Implementation of O/C relay using Microprocessor
Tikrit Journal of Engineering Sciences, 2012 This work presents the design and implementation of a versatile digital overcurrent (O/C) relay using a single microprocessor. The relay is implemented by a combination of a look-up table and a counter.
Abdul-Sattar H. Jasim +1 more
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Energies, 2021 A directional overcurrent relay is commonly used to protect the power distribution networks of a distributed system. The selection of the appropriate settings for the relays is an important component of the protection strategies used to isolate the ...
Aayush Shrivastava +4 more
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Design of an Over Current Relay (OCR) System on a Distribution Network Using a Raspberry Pi
Journal Geuthee of Engineering and Energy, 2023 Disturbances in the electrical installation system will be detrimental to electricity users because it can cause power outages. Therefore we need a protection system that can overcome disturbances such as the use of Over Current Relay (OCR). With OCR can
Yuli Prasetyo +3 more
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Energy Reports, 2021 The protection system has a vital role in subsystems of the power network including the generation, transmission and distribution system. This system combines several types of protection relays including directional over current relay, differential relay,
Yasir Muhammad +8 more
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Design and Implementation of Multifunction Relay Based on Microcontroller
Journal of Techniques, 2021 The power systems are exposed to many abnormal conditions, so an advanced protection system must be provided to stand up to these challenges. Protection devices evolved continuously with the development of power systems.
Ali Abdulsattar Hameed +2 more
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Protective coordination of main and backup overcurrent relays with different operating modes of active super-conducting current controller [PDF]
Maejo International Journal of Science and Technology, 2014 Active superconducting current controllers (ASCCs) are new generation of series compensators, which can also be categorised as fault current limiters because of their ability to decrease the fault current continuously.
Ahmad Ghafari +3 more
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