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This paper analyzes the effects of the decoupling of the cross-coupling terms when PI synchronous regulators are used in droop characteristic converter. The PI synchronous regulators are implemented for both voltage and current control. An analysis of the different working modes of the converter are presented. Three sub-modes for the island model, Conventional droop mode, power quality mode and Sync...
In this paper, two efficient and reliable neural approaches to control an inverter are developed. The objective is to improve the compensation performance of a conventional active power filter (APF) with a homogeneous neural structure allowing an efficient hardware implementation. The first control approach is based on a neural PI regulator. This technique uses an Adaline to determine the PI parameters...
Based on a three-phase PV grid-connected inverter with LCL filter, a two-current-loop control strategy which utilizes the grid-current as the outer-loop variable and filter-capacitor current as the inner-loop is adopted. Since the decoupling of the LCL filter is too complicate under dq coordinates, a PR controller is adopted in the outer loop under alphaszlig coordinates to avoid the complicated decoupling...
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