A Three-Phase Four-Wire Inverter Control Technique for a Single Distributed Generation Unit in Island Mode

Dai, Min; Marwali, M.N.; Jung, Jin‐Woo; Keyhani, A.

doi:10.1109/tpel.2007.911816

Cited by 110 publications

(65 citation statements)

References 40 publications

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“…It is capable of adjusting the frequency according to changes in grid frequency. However, an accurate tuning is always needed for optimal results and this technique is found sensitive to the frequency variations [30,31]. These controllers are relatively better than PI controllers in terms of their tracking ability and response time.…”

Section: Pr Controllersmentioning

confidence: 99%

Digital Control Techniques Based on Voltage Source Inverters in Renewable Energy Applications: A Review

et al. 2018

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Abstract:In the modern era, distributed generation is considered as an alternative source for power generation. Especially, need of the time is to provide the three-phase loads with smooth sinusoidal voltages having fixed frequency and amplitude. A common solution is the integration of power electronics converters in the systems for connecting distributed generation systems to the stand-alone loads. Thus, the presence of suitable control techniques, in the power electronic converters, for robust stability, abrupt response, optimal tracking ability and error eradication are inevitable. A comprehensive review based on design, analysis, validation of the most suitable digital control techniques and the options available for the researchers for improving the power quality is presented in this paper with their pros and cons. Comparisons based on the cost, schemes, performance, modulation techniques and coordinates system are also presented. Finally, the paper describes the performance evaluation of the control schemes on a voltage source inverter (VSI) and proposes the different aspects to be considered for selecting a power electronics inverter topology, reference frames, filters, as well as control strategy.

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Section: Pr Controllersmentioning

confidence: 99%

Digital Control Techniques Based on Voltage Source Inverters in Renewable Energy Applications: A Review

et al. 2018

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“…1) [13]. Compared to three-phase four-leg topology, it has lower power switch and control complexity [14]. The inner control loops in VCM consists of outer voltage loop and inner current loop (both based on Proportional-Resonant, PR, controllers) to regulate capacitor voltage.…”

Section: A Three-phase Four-wire Control Systemmentioning

confidence: 99%

A secondary-control based fault current limiter for four-wire three phase inverter-interfaced DGs

Beheshtaein

Savaghebi

Guerrero

et al. 2017

IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society

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Abstract-Fault current limiters (FCLs) are one class of solutions to cope with the upcoming challenges in microgrid protection. Considering high penetration of distributed generations (DGs) in microgrids, the necessity of designing cheap and effective FCL is getting higher. This paper attempts to fill this gap by proposing an embedded FCL operating based on modifying the secondary control of DGs. As this method is designed for fourwire system, besides cost-effectiveness, it has independency and flexibility to only limit the fault current of DG. In order to validate the proposed method, different types of faults are examined through an extensive simulation study.

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“…This will result in a system with power factor near to one as three single-phase current controllers are used which result in currents in phase with the grid voltage. Another possibility is a three-phase four-wire inverter [4,19,9]. Both topologies can be controlled by using different control strategies [23,24].…”

Section: Introductionmentioning

confidence: 99%

Three-phase inverter-connected DG-units and voltage unbalance

Meersman

Renders

Degroote

et al. 2011

Electric Power Systems Research

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a b s t r a c tThe increasing presence of single-phase distributed generators and unbalanced loads in the electric power system may lead to unbalance of the three phase voltages, resulting in increased losses and heating. The distribution network operators (DNOs) are increasingly being challenged to maintain the required power quality. To reduce voltage unbalance DNOs are seeking to connect larger DG units to the three phases instead of a single-phase connection. The three-phase connection can be realised by three single-phase inverters or by a three-phase inverter. Each inverter topology can be implemented with different control strategies. The control can be equiped with active power filtering functions which can improve the power quality. In this paper, the effect of connecting DG units by means of a three-phase connection instead of a single-phase connection on voltage unbalance is studied. Besides two commonly used control strategies, two other control strategies that combine DG and active power filtering functions are implemented and their effect on voltage unbalance is studied. The last two control strategies lead to the reduction of voltage unbalance such that the voltage requirements are maintained.

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A Three-Phase Four-Wire Inverter Control Technique for a Single Distributed Generation Unit in Island Mode

Cited by 110 publications

References 40 publications

Digital Control Techniques Based on Voltage Source Inverters in Renewable Energy Applications: A Review

Digital Control Techniques Based on Voltage Source Inverters in Renewable Energy Applications: A Review

A secondary-control based fault current limiter for four-wire three phase inverter-interfaced DGs

Three-phase inverter-connected DG-units and voltage unbalance

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