M. Gopichand Nak

Work place: Dept. of Electrical Eng., College of Engineering (A), Andhra University, Visakhapatnam-530003, India



Research Interests: Engineering


Gopichand Naik Mudavath is an Assistant Professor of Electrical Engineering in Andhra University College of Engineering Visakhapatnam India. His area of research includes high voltage generation, transmission and distribution engineering and an uncertainty based power system analysis.

Author Articles
Load Flow Analysis of a Power System Network in the Presence of Uncertainty using Complex Affine Arithmetic

By Yoseph Mekonnen Abebea P. Mallikarjuna Rao M. Gopichand Nak

DOI: https://doi.org/10.5815/ijem.2017.05.05, Pub. Date: 8 Sep. 2017

The depletion of fossil fuel is driving the world towards the application of renewable energy sources. However, their intermittent nature, in addition to load variation and transmission line sag-tension change due to temperature, is a great deal of problems for reliable power delivery. Without a reliable power delivery, power generation is just a waste of resources. A reliable power delivery can be achieved when the best and the worst case steady state information of a power system network is known to plan and control accordingly. If a system is affected by the presence of uncertainty, a deterministic load flow analysis fails to provide the worst-case load flow result in a single analysis. As a result, a load flow analysis considering the presence of uncertainty is mandatory. On this paper, a novel complex affine arithmetic (AA) based load flow analysis in the presence of generation and load uncertainties is proposed. The proposed approach is tested on an IEEE bus systems and compared with Monte Carlo approach. The proposed approach convergence faster than the Monte Carlo based method and it is slightly conservative.

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