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Title: Predictive direct flux control - a new control method of voltage source inverters in distributed generation applications
Authors: Hu, JF 
Keywords: Voltage source inverter (VSI)
Predictive control
Inverter flux
Issue Date: 2017
Publisher: Molecular Diversity Preservation International (MDPI)
Source: Energies, 2017, v. 10, no. 4, 428, p. 1-11 How to cite?
Journal: Energies 
Abstract: Voltage source inverters (VSIs) have been widely utilized in electric drives and distributed generations (DGs), where electromagnetic torque, currents and voltages are usually the control objectives. The inverter flux, defined as the integral of the inverter voltage, however, is seldom studied. Although a conventional flux control approach has been developed, it presents major drawbacks of large flux ripples, leading to distorted inverter output currents and large power ripples. This paper proposes a new control strategy of VSIs by controlling the inverter flux. To improve the system's steady-state and transient performance, a predictive control scheme is adopted. The flux amplitude and flux angle can be well regulated by choosing the optimum inverter control action according to formulated selection criteria. Hence, the inverter flux can be controlled to have a specified magnitude and a specified position relative to the grid flux with less ripples. This results in a satisfactory line current performance with a fast transient response. The proposed predictive direct flux control (PDFC) method is tested in a 3 MW high-power grid-connected VSI system in the MATLAB/Simulink environment, and the results demonstrate its effectiveness.
ISSN: 1996-1073
DOI: 10.3390/en10040428
Rights: © 2017 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (
The following publication Hu, J. (2017). Predictive Direct Flux Control-A New Control Method of Voltage Source Inverters in Distributed Generation Applications. Energies, 10(4), 428 is available at
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