TY - JOUR
T1 - Adaptive Reference Trajectory for Power Quality Enhancement in Three-Phase Four-Wire Standalone Power Supply Systems with Nonlinear and Unbalanced Loads
AU - Saim, Abdelhakim
AU - Houari, Azeddine
AU - Ahmed, Mourad Ait
AU - Djerioui, Ali
AU - Machmoum, Mohamed
AU - Guerrero, Josep M.
PY - 2020/6
Y1 - 2020/6
N2 - This article presents an advanced control strategy for power quality enhancement in standalone power supply systems (PSSs) with grid forming four-leg voltage source inverters (FL-VSIs). Indeed, an online adaptive reference generator (ARG) with a gray wolf optimizer (GWO) is proposed to sustain the control performances of a feedback linearization control (FLC) strategy and improve its robustness against load-side disturbances and system parameters' uncertainties. The key purpose of the proposed GWO-based ARG is to compensate for load and phase disturbances through smooth reference adjustments, in order to improve the voltage waveforms' quality and symmetry and conform to the existing power quality standards and metrics. The design methodology of the proposed control approach is thoroughly detailed, and its effectiveness is asserted through simulation and experimental tests, demonstrating its superiority in maintaining the voltage waveforms within the required standard limitations even under unbalanced and nonlinear loading conditions.
AB - This article presents an advanced control strategy for power quality enhancement in standalone power supply systems (PSSs) with grid forming four-leg voltage source inverters (FL-VSIs). Indeed, an online adaptive reference generator (ARG) with a gray wolf optimizer (GWO) is proposed to sustain the control performances of a feedback linearization control (FLC) strategy and improve its robustness against load-side disturbances and system parameters' uncertainties. The key purpose of the proposed GWO-based ARG is to compensate for load and phase disturbances through smooth reference adjustments, in order to improve the voltage waveforms' quality and symmetry and conform to the existing power quality standards and metrics. The design methodology of the proposed control approach is thoroughly detailed, and its effectiveness is asserted through simulation and experimental tests, demonstrating its superiority in maintaining the voltage waveforms within the required standard limitations even under unbalanced and nonlinear loading conditions.
KW - Adaptive Reference Trajectory
KW - Feedback Linearization Control
KW - Power Quality
KW - Standalone Power Supply
KW - Voltage Control
UR - http://www.scopus.com/inward/record.url?scp=85079460445&partnerID=8YFLogxK
U2 - 10.1109/JESTPE.2020.2966923
DO - 10.1109/JESTPE.2020.2966923
M3 - Journal article
AN - SCOPUS:85079460445
SN - 2168-6777
VL - 8
SP - 1593
EP - 1603
JO - IEEE Journal of Emerging and Selected Topics in Power Electronics
JF - IEEE Journal of Emerging and Selected Topics in Power Electronics
IS - 2
M1 - 8960317
ER -