New approach to the fault location problem using synchronized sampling /

a unique form that determines the way it is solved. In any

Bibliographic Details
Main Author: Mrkic, Jasna, 1964-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1994.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:a unique form that determines the way it is solved. In any
accuracy of the approach and its robustness regarding various
algorithms. One algorithm is developed using the RL line
and current samples taken during the fault transient are used
approach is rather small and almost invariant to the various
based line model. The main idea of the fault location concept
case, the Minimum Square Error Estimation Method is used
derivation of the generic fault location equation of the
distance to the fault point.
done using the Electromagnetic Transient Program (EMTP)
effective practice.
ends, d is the length of the line, and x is the unknown
fault conditions and, hence, the technique provides a robust
fault conditions. The following are the conclusions based on
fault location on a transmission line using synchronized data
following form: [ ] where Lv is the linear operator, VA, t'A,
For a particular transmission line, the generic equation has
for this approach is emerging as a reliable and cost
from both ends of the line. The synchronized phase voltage
generated data [1]. Obtained results indicate the high
high accuracy while the computational burden is still kept
instantaneous values of voltage and current signals are
is based on the general characteristics of any transmission
line, line parameters, and distance between that particular
line. At any location along the unfaulted line, the
location and each of the line ends. This enables the
model and the other one is developed using the traveling wave
of lines are used as a basis for derivation of two different
related to the instantaneous values of the corresponding
relatively low. The synchronized sampling technique required
since an overspecified system of linear equations needs to be
solution to the fault location problem. The new approach has
solved. The performance evaluation of both algorithms was
the results presented in this thesis: The error of the
This thesis presents a new approach to solving the problem of
to calculate the location of the fault. Time domain models
values of voltage and current signals at both ends of the
VB, z'B are vectors of voltage and current samples at line
Item Description:"Major subject: Electrical Engineering".
Vita.
Physical Description:ix, 81 leaves : illustrations ; 28 cm.
Also available online.
Bibliography:Includes bibliographical references.