A Novel Approach to Solve Power Flow for Islanded Microgrids Using Modified Newton Raphson with Droop Control of DG

Faisal Mumtaz, M. H. Syed, Mohamed Al Hosani, H. H. Zeineldin

Research output: Contribution to journalArticlepeer-review

208 Scopus citations

Abstract

The study of power flow analysis for microgrids has gained importance where several methods have been proposed to solve these problems. However, these schemes are complicated and not easy to implement due to the absence of a slack bus as well as the dependence of the power on frequency as a result of the droop characteristics. This paper proposes simple and effective modifications to the conventional method (Newton Raphson) to compute the power flow for microgrids. The presented method provides a simple, easy to implement, and accurate approach to solve the power flow equations for microgrids. The proposed method is applied to two test systems: a 6-bus system and a 38-bus system. The results are compared against simulation results from PSCAD/EMTDC which validate the effectiveness of the developed method. The proposed technique can be easily integrated in current commercially available power system software and can be applied for power system studies.

Original languageBritish English
Article number7350239
Pages (from-to)493-503
Number of pages11
JournalIEEE Transactions on Sustainable Energy
Volume7
Issue number2
DOIs
StatePublished - Apr 2016

Keywords

  • Distributed generation (DG)
  • islanded microgrid
  • power flow

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