Date of Award

Spring 5-16-2014

Degree Type


Degree Name


Degree Program



Electrical Engineering

Major Professor

Parviz Rastgoufard, Ph.D.

Second Advisor

Ittiphong Leevongwat, Ph.D.

Third Advisor

Rasheed M.A. Azzam, Ph.D


Analysis of different types of fault is an important and complex task in a power system. Accurate fault analysis requires models that determine fault distances in a transmission line. The mathematical models accurately capture behavior of different types of faults and location in a timely manner, and prevents damaging power system from fault energy. The purpose of this thesis is to use two methods for determining fault locations and their distance to the reference end buses connected by the faulted transmission line. The two methods used in this investigation are referred to as impedance-based and traveling wave methods. To analyze both methods, various types of faults were modeled and simulated at various locations on a two-bus transmission system using EMTP program. Application and usefulness of each method is identified and presented in the thesis. It is found that Impedance-based methods are easier and more widely used than traveling-wave methods.


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