NDLI: New phasorial oriented single-PI loop control for industrial VSC-PFC rectifiers operating under unbalanced conditions

Content Provider	IET Digital Library
Author	Anaya, Mario A. Santoyo Herrera, Nadia Maria Salgado Rodrıguez, Juan Ramón Rodriguez Castro, Luis M. Goytia, Edgar L. Moreno Rebollar, Vicente Venegas
Abstract	Due to several reasons, the three-phase voltages of power grids cannot be balanced. The performance of AC–DC converters using dq0-based controls can be severely affected by the presence of unbalanced input AC voltages. Different to these proposals, this study presents a new easy-to-implement control scheme based on a single PI loop algorithm for VSC-PFC rectifiers using a phasorial approach. This new scheme has various significant advantages: (i) fast counteracting of large unbalanced voltage and current conditions; (ii) power factor = 1 at any unbalanced sag operating conditions; (iii) negligible current harmonic distortion and (iv) low-ripple DC voltage. All these features are concurrently obtained. The proposed single-PI loop VSC-PFC rectifier control strategy is theoretically and experimentally validated. A revision of the main results and characteristics of various proposed techniques that are similar to the one proposed in this study is also carried out, qualitatively indicating the main advantages featured by the proposed control strategy for VSC-PFC rectifiers.
Starting Page	844
Ending Page	853
Page Count	10
ISSN	17554535
Volume Number	13
e-ISSN	17554543
Issue Number	Issue 4, Mar (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/13/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2019.0554
Journal	IET Power Electronics
Publisher Date	2019-11-22
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	AC-DC Power Converter AC–DC Converters Control of Electric Power System Control Scheme Harmonic Distortion Industrial VSC-PFC Rectifier Low-ripple DC Voltage Machine Control Phasorial Approach PI Control Power Factor Power Factor Correction Power Grid Power Supply Quality PWM Rectifier Rectifier Rectifying Circuit Single PI Loop Algorithm Single-PI Loop Control Single-PI Loop VSC-PFC Rectifier Control Strategy Switching Converter Three-phase Voltage Unbalanced Input AC Unbalanced Sag Operating Condition Voltage Control
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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