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A STUDY OF PROTECTION SYSTEM TO IMPROVE POWER SYSTEM RELIABILITY USING ATP (ALTERNATIVE TRANSIENT PROGRAM)

WOO, KEAN HING (2007) A STUDY OF PROTECTION SYSTEM TO IMPROVE POWER SYSTEM RELIABILITY USING ATP (ALTERNATIVE TRANSIENT PROGRAM). Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

Electric power systems are one of the largest and more complex systems man has ever built. Faults represent a threat to the operation and security of power systems if the faults are not promptly corrected. Therefore protection of the power system is very important. Protective relays are electronic or electromechanical devices that are designed to protect equipment and limit injury caused by electrical failures. Protective relays cannot prevent faults; they can only limit the damage caused by faults. This thesis investigates the importance of power systems protection and also introduces the widely used power system software, ATP ( Alternative Transient Program ). Using this software, power system are modeled and disturbance scenarios such as lightning overvoltages and short circuit are generated. The simulation of this scenarios provides the graphical charateristics of the power system through the use of PLOTXY function. Another major work in this project is the modeling of relays that were embeded in the system to enable classed loop simulation whereby the relay will provide a 'feedback' to the system. The 'feedback' is a trip signal which will be sent to the circuit breaker to open or reclose. The algorithm of the relay are designed by writing specific code using the MODELS language. The relays succesfully fuctioned according to the algorithm when simulated under different disturbance scenarios and the results obtained were same as the predicted output.

Item Type: Final Year Project
Academic Subject : Academic Department - Electrical And Electronics - Pervasisve Systems - Digital Electronics - Test and Reliablity
Subject: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Engineering > Electrical and Electronic
Depositing User: Users 2053 not found.
Date Deposited: 22 Oct 2013 14:38
Last Modified: 25 Jan 2017 09:45
URI: http://utpedia.utp.edu.my/id/eprint/9473

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