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Capacitor-current compensation with fast voltage loop for D-+ú digital control based three-phase four-wire inverter
2015 Edition, November 1, 2015 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents a division-summation (D-Σ) digital control based three-phase four-wire inverter with capacitor-current compensation. The inverter is adopted to uninterruptible power supply...

A Decoupled Adaptive Noise Detection Based Control Approach for Grid Supportive SPV System
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A grid supportive two-stage three-phase four-wire SPV system is presented in this paper, wherein a boost converter is used as first stage to serve the function of MPPT (Maximum Power Point Tracking) and a 4-leg VSC (Voltage Source Converter) is used to feed the...

Design and implementation of D-+ú digital controlled multi-function inverter to achieve APF, active power injection and rectification
2016 Edition, March 1, 2016 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

There has been a growing demand of using multi-function inverters for grid-connected systems applied to nonconventional energy sources, such as solar, wind and so on. In addition to power quality conditioning, the inverter can also be used for bidirectional active power...

Circulating current reduction for a D-+ú digital controlled transformerless UPS
2016 Edition, March 1, 2016 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents a three-phase transformerless uninterruptible power supply (UPS) with sinusoidal pulse width modulation (SPWM) based division-summation (D-Σ) digital control. A transformerless UPS controls the power flow between dc link...

Control Strategy of Three-Phase Four-Wire Three-Leg Inverters
2019 Edition, June 1, 2019 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Three-phase four-wire inverters are needed in independent microgrid to provide neutral line. Balanced three-phase voltage is one of the key requirements of three-phase inverters. The positive, the negative and the zero...

Performance evaluation of shunt active power filter (SAPF) connected to three phase four wire distribution networks
2016 Edition, October 1, 2016 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents an Inductor-Capacitor-Inductor (LCL) filter with Sinusoidal Pulse Width Modulation (SPWM) based switching control strategy for four-leg Voltage Source Inverter (4LVSI) in Shunt Active Power Filter (SAPF) to compensate load...

Imbalanced Load Regulation Based on Virtual Resistance of A Three-phase Four-wire Inverter for EV Vehicle-to-Home Applications
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

As a new application area of electric vehicles, V2H (Vehicle to Home) recently becomes one of the most attractive research areas. In this paper, a three-phase four-wire inverter using four half-bridge legs is adopted to realize the V2H functionality. Such...

LQ control of a three-phase four-wire shunt active power filter based on three-level NPC inverter
2008 Edition, May 1, 2008 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents the design and implementation of a linear quadratic regulator (LQR) with Integral action (LQIR) for a three-phase four-wire shunt active power filter using a three-level neutral point clamped inverter (SAF-NPC). The...

Reduction of DC-link Ripples for SiC-based Three-phase Four-wire Inverters with Unbalanced Loads
2019 Edition, September 1, 2019 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Three-phase inverters are widely used in the smart grid to integrate renewable energy resources. When the inverters are used to feed the unbalanced three-phase loads, the three-phase four-wire inverters are usually...

Inverter design for four-wire microgrids
2015 Edition, September 1, 2015 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents a PQ four quadrant four-wire three-phase inverter for microgrids integration. The inverter is based in two full-bridge IGBT modules connected in a three-phase configuration plus a...

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