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World Journal of Engineering
Research and Technology

( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Engineering Research and Technology

ISSN 2454-695X

Impact Factor : 5.924

ICV : 79.45

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Indexing

Abstract

DESIGN AND IMPLEMENTATION DISTANCE RELAY BASED ON MICROCONTROLLER

*Abad Alwhab Ahamed Alwan and Pro. Abdal Ghani Abdal Razzaq

ABSTRACT

In this paper, a distance relay has been designed to detect faults in overhead lines and selecting the fault location by kilometers using Devices Arduino Uno. The characteristics of a distance relay lay in diagnosing faults accurately, a fast response to reduce the disturbance In the power system. The microprocessor is widely used in the protection applications and that is due to the possibility of forming it in components and installing the connection of mathematical and logical circuits and making decisions and storing in memory. in addition, it requires a short time to complete the operations that the protection needs, Being more flexible and programmed. The Arduino Uno was used to protect the overhead lines, It has been Programmed to calculate the resistance of the faults. in this paper, practical circuit for a miniature power system was made . Making a circuit to include taking a set of faults over distances from the source and issue a trip signal to a contactor to separate the source by calculating the fault resistance and comparing it with the basic setting resistance. The simulation results and the practical side proved the speed of response to the failure in time. Determining distance the fault, the type of fault and the resistance of fault. Integrated Development Environment program IDE is used by the controller. Converting the analog signal to digital by ADC to calculate the value of the resistance in Arduino Uno and find the fault location. This paper aims to find and select the fault in overhead lines. The protuse program was also used in simulating the practical part.

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