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Abhishek Khanna added II. PROPOSED VISUALIZATION TECHNIQUE.tex
about 9 years ago
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\subsection{IEEE Test cases}
To test our visualization, our research employed test cases IEEE 30 bus system, IEEE 118 bus system and IEEE 300 bus system to evaluate, validate and compare the results with the conventional system. IEEE 300 bus system is a massive system which will be very difficult to be visualized in Power World as shown in figure 2. A small bus system is comparatively possibly to be visualized but a large system will become messed up and important nodes or branches will not be visible to call for a quick decision which is the aim of our research.
\subsection{Forced Layout algorithm}
Force layout algorithm is used to visualize an electrical system as they can position buses in a way the visualization is aesthetic and electrically meaningful which will be shown in Result section. “Force directed graph layout is a physics based approach to a graph layout that treats the vertices as respelling charged particles and the edges connecting them as springs”[13]. Force directed algorithm is being used inother researches as mentioned in
\subsection{Weighted Graph Visualization}
Weighted graph drawing is drawn by adding an extra dimension into the graph layout to further improve the analytical capability of a graph layout. The branches or the graph links ( or the Euclidean distance between the two corresponding graph nodes) is approximately propotional to approach completely rely on the notion of graph distance between pairs of nodes, the attractive forces and the repulsive to draw the graph. Similar work has been reported by authors of [11].
\subsection{Admittance as weighted graph Layout}
This methodology uses an admittance weighted on the lines as given in IEEE test cases which can be used to visualize network. The impedance of the line is shifted to admittance by taking inverse for every branch and used to represent system. This line admittance is provided which is used as a weight on the branch. Similar kind of work is done by “========” which emphasizes on the impedance based design.
