Voltage Profile Improvement in Radial Distribution Networks with Analytical Method of Simultaneous Optimal DG Sizing

Conference paper (2016)

Authors

Mohsin Shahzad AIT Austrian Institute of Technology

Ishtiaq Ahmad AIT Austrian Institute of Technology

Wolfgang Gawlik Technische Universität Wien

P. Palensky Intelligent Electrical Power Grids -

Research Group

Intelligent Electrical Power Grids () (TU Delft)

Distributed generation Static load Simultaneous optimal sizing Analytical expressions Voltage profile Radial distribution system

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http://resolver.tudelft.nl/uuid:d484dd15-0350-4229-bfef-75f1490c4fe5

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Published Date

2016

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Electrical Sustainable Energy

Research Group

Intelligent Electrical Power Grids

Abstract

This paper investigates the usefulness of analytical expressions for finding optimal sizes of Distributed Generators (DGs). Results in this study revealed some interesting and useful features of analytical expression in regard to voltage profile improvement. Method was applied on IEEE 37 node radial test system and simulations were performed in DigSILENT PowerFactory coupled with Python. The validation of results was performed by comparing the voltage profiles of proposed method with two study cases; one without any DG while other with DGs of sizes equal to the cumulative load. DGs of different types, based on their output power, have been tested and results are presented. Moreover, results proved that the proposed method is better as compared to the methods in other study cases for static and time varying loads.