Oscillator-Based Inverter Control for Islanded Three-Phase Microgrids

Brian B. Johnson; Sairaj V. Dhople; James L. Cale; Abdullah O. Hamadeh; Philip T. Krein

doi:10.1109/jphotov.2013.2280953

journal article·2014-01

Oscillator-Based Inverter Control for Islanded Three-Phase Microgrids

Brian B. Johnson, Sairaj V. Dhople, James L. Cale, Abdullah O. Hamadeh, Philip T. Krein

IEEE Journal of Photovoltaics· Volume 4· Issue 1

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Source abstract

Abstract

A control scheme is proposed for an islanded low-inertia three-phase inverter-based microgrid with a high penetration of photovoltaic (PV) generation resources. The output of each inverter is programmed to emulate the dynamics of a nonlinear oscillator. The virtual oscillators within each controller are implicitly coupled through the physical electrical network. The asymptotic synchronization of the oscillators can be guaranteed by design, and as a result, a stable power system emerges innately with no communication between the inverters. Time-domain switching-level simulation results for a 45-kW microgrid with 33% PV penetration demonstrate the merits of the proposed technique; in particular they show that the load voltage can be maintained between prescribed bounds in spite of variations in incident irradiance and step changes in the load.

Source: openalex_inverted_index · Quality: baseline

Research context

Electronic materials

OpenAlex topics: Microgrid Control and Optimization · Islanding Detection in Power Systems · Photovoltaic System Optimization Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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