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General Information
Prof. T. Hikmet Karakoc
Anadolu University, Faculty of Aeronautics and Astronautics, Turkey

IJET 2012 Vol.4(3): 270-274 ISSN: 1793-8236
DOI: 10.7763/IJET.2012.V4.363

Efficient Distribution System Realization Using Equivalent Voltage Stability Indicator

Partha Kayal, C. K. Chanda, and Tamal Dutta

Abstract—Distribution system should be operated in minimum active and reactive power loss condition for efficient distribution and improvement of reliability of the system. In this paper a new voltage stability indicator is presented to measure voltage stability level of network. An IEEE 30-bus system has reconfigured here for minimization of total system losses and enhancement of voltage stability. Reconfiguration is a modern methodology of modification the topology structure of network which is done here by changing the switching status of additional power lines with the existing network. Considering the different switching combination, configuration which generates minimum value of proposed Equivalent voltage stability indicator (VSIeqv), is selected as optimal network configuration. Simulation results have shown that after reconfiguration voltage stability is improved significantly. From different case studies with random selection of loads, satisfactory results of voltage stability indicators have been obtained to realize the efficient distribution system properly. A strong connection between VSIeqv and active and reactive losses is established in which decreasing value of the VSIeqv indicates reduction of total distribution losses. So, improved distributions can possible reconfiguring the network using developed VSIeqv without any additional voltage regulation hardware installation.

Index Terms—Equivalent two-bus system, switching option, equivalent voltage stability indicator, active and reactive losses.

P. Kayal and T. Dutta are with the Department of Electrical Engineering, Fututre Institute of Engineering and Management, Kolkata, India (e-mail:partha_kayal@yahoo.co.in, tamaldutta95@yahoo.com).
C. K. Chanda is with the Department of Electrical Engineering, Bengal Engineering and Science University, Howrah, India (e-mail:ckc_math@yahoo.com).


Cite: Partha Kayal, C. K. Chanda, and Tamal Dutta, "Efficient Distribution System Realization Using Equivalent Voltage Stability Indicator," International Journal of Engineering and Technology vol. 4, no. 3, pp. 270-274, 2012.

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