Over Current Protection Relay using Arduino Uno for Future Renewable Electric Energy Delivery and Management (FREEDM) System

Mohamed Fawzi Kotb, Magdi El-Saadawi and Eman H. El-Desouky
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Mohamed Fawzi Kotb: Department of Electrical Engineering, Faculty of Engineering, Mansoura University, Mansoura, Egypt
Magdi El-Saadawi: Department of Electrical Engineering, Faculty of Engineering, Mansoura University, Mansoura, Egypt
Eman H. El-Desouky: North Delta Electricity Distribution Co. Mansoura

European Journal of Electrical Engineering and Computer Science, 2018, vol. 2, issue 5

Abstract: The FREEDM (Future Renewable Electric Energy Delivery and Management) system is a smart grid that enables wide integration between the Distributed Renewable Energy Resources (DRER) and Distributed Energy Storage Devices (DESD) with the conventional distribution system. This paper presents the design and implementation of an Arduino Uno microcontroller-based overcurrent relay with different characteristics (inverse, very inverse and extremely inverse) for FREEDM systems. An open source model with simple utilization of both hardware and software is created. A practical printed circuit board is designed with the required inputs and outputs to monitor and protect the branch connecting solid state transformer (SST) to the closed loop zones in the FREEDM system. A special program is designed using Proteus software package and easily integrated to the hardware card. To validate the proposed relay, the inverse, very inverse and extremely inverse overcurrent relay characteristics are tested using the proposed system simulator and compared with the characteristic recorded by the well-known IEC 60255-151standard. In order to guarantee the effectiveness of the system, a practical circuit including the proposed relay is formed, connected to a small load (motor) and normally inverse relay characteristic is tested. The proposed protection scheme proves high performance and accurate results.

Keywords: FREEDM; Overcurrent Relay; Arduino Uno Controller; Proteus Software (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:epw:ejece0:v:2:y:2018:i:5:id:19039

DOI: 10.24018/ejece.2018.2.5.39

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