2013•QUT ePrints (Queensland University of Technology)Requires access

Power sharing control with frequency droop in a hybrid microgrid

Megha Goyal, Arindam Ghosh, Firuz Zare

Abstract

A microgrid may contain a large number of distributed generators (DGs). These DGs can be either inertial or non-inertial, either dispatchable or non-dispatchable. Moreover, the DGs may operate in plug and play fashion. The combination of these various types of operation makes the microgrid control a challenging task, especially when the microgrid operates in an autonomous mode. In this paper, a new control algorithm for converter interfaced (dispatchable) DG is proposed which facilitates smooth operation in a hybrid microgrid containing inertial and non-inertial DGs. The control algorithm works satisfactorily even when some of the DGs operate in plug and play mode. The proposed strategy is validated through PSCAD simulation studies.

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Available abstract

Key concepts: Microgrid, Dispatchable generation, Voltage droop, Plug and play, Computer science, Power (physics), Inertial frame of reference, Control theory (sociology)