Hybrid droop and current control for seamless transition mode of microgrids

Md Nayeem Arafat, Ali Elrayyah, Yilmaz Sozer

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)


This paper proposes a smooth transition control strategy for voltage source inverters between standalone (SA) and grid connected (GC) modes of operation. During transition both current control and droop control will participate in formulating the inverter output voltage but with different weights or coefficients. In transition mode the controller varies the output coefficients of the current and droop control depending on the frequency variation to regulate the real power flow. In the proposed controller, no additional unit, like central controller, is needed to flow the required power in the transition period and no explicit communication between the inverters is required. In the transition mode, the proposed controller takes the responsibility and ensures the continuous power delivery to the load. The performance of the proposed control technique has been verified with simulation and experimental studies.

Original languageEnglish
Title of host publication2013 IEEE Energytech, Energytech 2013
PublisherIEEE Computer Society
ISBN (Print)9781467344449
Publication statusPublished - 1 Jan 2013
Event2013 IEEE Energytech, Energytech 2013 - Cleveland, OH, United States
Duration: 21 Jul 201323 Jul 2013

Publication series

Name2013 IEEE Energytech, Energytech 2013


Other2013 IEEE Energytech, Energytech 2013
CountryUnited States
CityCleveland, OH


  • distributed generation
  • droop control
  • microgrids
  • parallel inverters
  • transition mode

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Fuel Technology

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    Arafat, M. N., Elrayyah, A., & Sozer, Y. (2013). Hybrid droop and current control for seamless transition mode of microgrids. In 2013 IEEE Energytech, Energytech 2013 [6645320] (2013 IEEE Energytech, Energytech 2013). IEEE Computer Society. https://doi.org/10.1109/EnergyTech.2013.6645320