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An overview of four-leg converters: topologies, modulations, control and applications
(IEEE, 2022)
In three-phase unbalanced systems, where the circulation of zero sequence current is necessary, four-leg converters provide a neutral connection for single-phase or other unbalanced loads typically utilized in three-phase ...
A New Space-Vector-Modulation Algorithm for a Three-Level Four-Leg NPC Inverter
(IEEE, 2017)
For power conversion systems interfaced to four-wire supplies, four-leg converters have become a standard solution. A four-leg converter allows good compensation of zero-sequence harmonics and full utilisation of the dc-link ...
3-D Space Vector PWM implementation for Four-Leg Voltage Source Inverter
(2011-12-28)
The Space Vector PWM implementation and operation for a Four-leg Voltage Source Inverter (VSI) is detailed and discussed in this paper. Although less common, four-leg VSIs are a viable solution for situations where neutral ...
3-D Space Vector PWM implementation for Four-Leg Voltage Source Inverter
(2011-12-28)
The Space Vector PWM implementation and operation for a Four-leg Voltage Source Inverter (VSI) is detailed and discussed in this paper. Although less common, four-leg VSIs are a viable solution for situations where neutral ...
A simplified Space-Vector modulation algorithm for four-leg NPC converters
(IEEE Inst Electrical and Electronic Engineering Inc., 2017)
To interface generation sources and loads to fourwire distribution networks it is important to use power converters and modulation methods, which provide high performance, flexibility, and reliability. To achieve these ...
Digital Predictive Current Control of a Three-Phase Four-Leg Inverter
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA, 2013)
Model Predictive Approach for a Simple and Effective Load Voltage Control of Four-Leg Inverter With an Output LC Filter
(IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 2014)
Predictive Current Control With Instantaneous Reactive Power Minimization for a Four-Leg Indirect Matrix Converter
(2017)
This paper presents the experimental validation of a predictive current control strategy with minimization of the instantaneous reactive input power for a Four-Leg Indirect Matrix Converter (4Leg-IMC). The topology includes ...