NDLI: Simple four-quadrant grid-tie control scheme with unity power factor rectifier mode for single-phase DC/AC converters

Content Provider	IET Digital Library
Author	Chi, Pei Chin Purnama, Irwan Hsieh, Yao Ching Lin, Jing Yuan Chiu, Huang Jen
Abstract	This study proposes a voltage-oriented control scheme for four-quadrant grid-tie of a single-phase bidirectional direct current/alternating current (AC) voltage-sourced converter (VSC) to operate smartly at modes of unity power factor (PF) rectifier (UPFR), inverter or static var compensator. Given the possible harmonic-distorted AC grid voltage, the proposed scheme follows or filters the grid voltage to generate the appropriate current command template for minimising the harmonic current while synchronising with the grid. The following template is for the UPFR mode, whereas the filtered template is for the other modes. The scheme proposes a unique band-pass filter (BPF) to proceed with direct component generation for the filtered template. The proposed scheme further unifies the grid-tie inductor current-to-voltage conversion for the following emplate and the quadrature component generation for the filtered template into a differentiator. The control laws under the filtered and following templates are derived. The BPF and differentiator designs are introduced. Simulations and experiments are conducted with a one-cycle control full-bridge VSC to verify the proposed grid-tie control scheme and evaluate its performance.
Starting Page	1483
Ending Page	1493
Page Count	11
ISSN	17521416
Volume Number	11
e-ISSN	17521424
Issue Number	Issue 11, Sep (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rpg/11/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2016.0561
Journal	IET Renewable Power Generation
Publisher Date	2017-03-20
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Band-pass Filter BPF Control of Electric Power System Current Command Template DC-AC Power Converter Differentiator Design Direct Component Generation Filtered Template Four-quadrant Grid-tie Control Scheme Grid-tie Control Scheme Grid-tie Inductor Current-to-voltage Conversion Harmonic-distorted AC Grid Voltage Inverter One-cycle Control Full-bridge VSC Other Power Apparatus And Electric Machine Power Filter Quadrature Component Generation Rectifying Circuit Single-phase Bidirectional Direct Current-alternating Current VSC Single-phase DC-AC Converter Static Var Compensator Unity PF Rectifier Unity Power Factor Rectifier Unity Power Factor Rectifier Mode UPFR Voltage-oriented Control Scheme Voltage-source Converter Voltage-sourced Converter
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment

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