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2010 (Vol. 2, Issue: 5)
Article Information:

A Simple and Direct Approach for Unbalanced Radial Distribution System three phase Load Flow Solution

J.B.V. Subrahmanyam, C. Radhakrishna and K. Pandukumar
Corresponding Author:  JBV Subrahmanyam 

Key words:  Distribution network, line section, node, radial, three phase load flow, unbalanced,
Vol. 2 , (5): Page No: 452-459
Submitted Accepted Published
2010 May, 16 2010 May, 27 2010 August, 01

The aim of the study is to develop a simple and direct approach for unbalanced radial distribution system three-phase load flow solution .The special topological characteristics of unbalanced radial distribution networks have been fully utilized to make the direct three phase load flow solution possible. Two developed matrices-the node-injection to line section-current matrix and the line section-current to node-voltage matrix - and a simple matrix multiplication are used to obtain the three phase load flow solution. Due to the distinctive solution techniques of the proposed method, the time-consuming Lower Upper decomposition and forwardbackward substitution of the Jacobian matrix or admittance matrix required in the traditional load flow methods became not necessary. Therefore, the proposed method is observed as robust and time-efficient. Results obtained on 8 node and IEEE 13 node test systems demonstrate the validity of the proposed method. The proposed method has got good potential for the usage in distribution automation applications.
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  Cite this Reference:
J.B.V. Subrahmanyam, C. Radhakrishna and K. Pandukumar, 2010. A Simple and Direct Approach for Unbalanced Radial Distribution System three phase Load Flow Solution.  Research Journal of Applied Sciences, Engineering and Technology, 2(5): Page No: 452-459.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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