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Power Sharing for Inverters Based on Virtual Synchronous Generator Control
2016
Indonesian Journal of Electrical Engineering and Computer Science
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<p>Power sharing is the most important challenging today, especially for parallel operation inverters. Recently to fixed this problem the virtual synchronous generator control strategy has been used. ...
The control strategy is used to make the inverters to emulate the transient , dynamic features of conventional synchronous generator and to gives accurate load sharing among the inverters in proportional ...
The concept of the virtual synchronous generator is to emulate the swing equation of the synchronous generator, which make the inverter like conventional synchronous generator such as dynamic characteristics ...
doi:10.11591/ijeecs.v2.i2.pp305-314
fatcat:kni4iawmcjehldxz3k6qo2o55i
Control Method of Parallel Inverters with Self-Synchronizing Characteristics in Distributed Microgrid
2019
Energies
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an improved virtual synchronous generator (VSG) control strategy based on local data considering precise control of the droop coefficient and realizing the power decoupling and the expected droop characteristics ...
Then, combined with the virtual rotor characteristic matching method, the reasonable active and reactive power sharing of the parallel microgrid inverters are realized in terms of static and dynamic performance ...
Figure 1 . 1 Integral control diagram of virtual synchronous generator (VSG)-controlled inverter.
Figure 1 . 1 . ...
doi:10.3390/en12203871
fatcat:y2vaqh4kbzccfgv5gxzpdv3j2i
Virtual Oscillator Control of Equivalent Voltage-Sourced and Current-Controlled Power Converters
2019
Energies
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In addition, Virtual Oscillator Control is experimentally demonstrated with three-phase voltage-sourced and current-controlled inverters. ...
The dynamics of a general class of weakly nonlinear oscillators can be used to control power converters to create a self-forming AC network of distributed generators. ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/en12020298
fatcat:g5s4tbm6fneffbebtcwogq7y24
Review of Impedance-Based Analysis Methods Applied to Grid-Forming Inverters in Inverter-Dominated Grids
2021
Energies
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define, assess, and improve the performance of grid-forming inverter controllers. ...
Even the conventional parameters and standards used to estimate the stability of generators and stronger grids cannot fully capture the dynamics of weaker, inverter-dominated grids. ...
Conflicts of Interest: The author declares no conflict of interest. ...
doi:10.3390/en14092686
fatcat:3ftthok6ozh4poj7itcl5blbgm
A Flexible Control Strategy for Shore-to-Ship Power System in Terms of Grid-Connected and Off-Grid Switch
2018
Polish Maritime Research
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Then, a control method for the flexible grid-connection of the shore power supply to the ship power grid based on the virtual synchronous generator is proposed. ...
In order to address this problem, the mathematical model of virtual synchronous generator is introduced in this paper. ...
ACKNOWLEDGEMENTS This project is partially supported by Natural Science Foundation of Jiangsu Province (BK20170841).
BIBLIOGRAPHY ...
doi:10.2478/pomr-2018-0085
fatcat:ftj3ltyp7zezxin7kojvcl4jme
Analysis, Design and Implementation of Droop-Controlled Parallel-Inverters Using Dynamic Phasor Model and SOGI-FLL in Microgrid Applications
2018
Energies
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Moreover, discussed in this paper are both the design approaches for and the implementation of a droop-controlled parallel-inverter, which enables the system to be stable and reliable. ...
In this case, the system modeling for both steady-state and transient time is one of the key issues of a droop-controlled system for an inverter-based microgrid (MG). ...
Conflicts of Interest: The authors declare no conflicts of interest. ...
doi:10.3390/en11071683
fatcat:ll6g5sr76bfn7k55pjkppvhosy
Small-signal modeling, analysis and testing of parallel three-phase-inverters with a novel autonomous current sharing controller
2015
2015 IEEE Applied Power Electronics Conference and Exposition (APEC)
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Experimental results from two parallel 2.2 kVA inverters verify the effectiveness of the novel control approach. ...
A novel simple and effective autonomous currentsharing controller for parallel three-phase inverters is employed in this paper. ...
Based on these three improvements, a control architecture based on a virtual resistance, P-V and Q-f droops can be used to deal with the autonomous control of parallel connected inverters [8] , [10] ...
doi:10.1109/apec.2015.7104406
fatcat:xw3qo7ht6zafdgqoc7titxj74e
Fuzzy Control of Inertia for Virtual Synchronous Generator in Independent Micro-Grid with Multi Micro-Source
2018
DEStech Transactions on Environment Energy and Earth Science
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In the independent micro-grid containing multi micro-source, the virtual synchronous generator (VSG) control can improve the frequency response characteristics by adopting the fixed inertia, but which ...
Firstly, the mathematical model of VSG was established in the synchronous rotating reference frame, in addition, the influence of inertia on the characteristics of VSG was analyzed. ...
The droop control [4] [5] can improve the operation characteristics of inverters when active frequency modulation and reactive power regulating control of synchronous generator ______________________ ...
doi:10.12783/dteees/appeec2018/23563
fatcat:l6gui2xsifdjhkkgf5svqevl4i
Grid voltage harmonic damping method for SPC based power converters with multiple virtual admittance control
2017
2017 IEEE Energy Conversion Congress and Exposition (ECCE)
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to these spikes, damaging thus the control performance. This problem is worse in case of harmonics where the noise presence is still higher and the control signals themselves have a higher frequency. ...
ACKNOWLEDGMENT This work has been partially supported by the Spanish Ministry of Economy and Competitiveness under the Project ENE2014-60228-R and ENE2013-48428-C2-2-R ...
Different authors applied different current control strategies related with the virtual impedance concept [4] in order to control grid-feeding power converters taking advantage of the synchronous generator ...
doi:10.1109/ecce.2017.8095762
fatcat:ljvbsgggnfc3hcnehkrtnmdebe
Modelling of Virtual Synchronous Converter for Grid-Inverter Synchronization in Microgrids Applications
2016
International Journal of Power Electronics and Drive Systems
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<span lang="EN-US">In this paper, virtual synchronous converter (VSCon) is modelled which behaves as synchronous generator including its all real-time characteristics in operating inverter. ...
The frequency and voltage synchronization can be controlled by using synchronous generator mathematical model is installed into the inverter. ...
As from the results that have been collected, this VSCon which is based on mathematical equations of the synchronous generator can be applied to the inverter control in order to improve the performance ...
doi:10.11591/ijpeds.v7.i4.pp1377-1385
fatcat:7j4mb6oyujhsjnpmahqikupsd4
Simulink Modelling of PV System in Micro-grid using Robust Control Mechanism
2019
International Journal for Research in Applied Science and Engineering Technology
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Then, a brand new manipulate scheme is provided for electricity management of parallel-linked inverters of PV systems. ...
The problem of manipulate or control of parallel-related photovoltaic (PV) based totally distributed era (DG) gadgets in an AC distribution system is studied in this work. ...
However, the general control structure of control of each inverter is the same as figure 1. ...
doi:10.22214/ijraset.2019.7082
fatcat:dyzrbmjajjes3dvvdx7glonio4
Investigate the Performance of Hierarchy Controller in Microgrid Application
English
2015
International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
English
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In this sagacity, a hierarchical control scheme for the parallel operated VSI system is urbanized self-possessed of two control levels. ...
Parallel operation of number of Voltage Source Inverters (VSIs) composed of Microgrids (MGs). The steps towards the standardization of these MGs have been fulfilled in this paper. ...
While obtaining good power sharing, these control modules have been applied for parallel connection of inverters with UPS systems to evade mutual control wires [4] . ...
doi:10.15662/ijareeie.2015.0402012
fatcat:zzvppog4abfj3kezmnseyrjpce
Extending control stability results from voltage-source to current-controlled AC or DC power converters
2016
IFAC-PapersOnLine
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Nonlinear dead-zone oscillator (DZO) control, a control method originally formulated for voltage-source inverters, is experimentally validated with a three-phase system of current-controlled inverters. ...
Nonlinear dead-zone oscillator (DZO) control, a control method originally formulated for voltage-source inverters, is experimentally validated with a three-phase system of current-controlled inverters. ...
Virtual Output Impedance Scaling for Load-Sharing Control The work of Johnson et al. (2014c) developed a method of controlling the relative power contribution of parallel inverters under DZO control ...
doi:10.1016/j.ifacol.2016.10.720
fatcat:p7s2ablnzvch3m5ygdqymvxlea
Control System for Multi-Inverter Parallel Operation in Uninterruptible Power Systems
2018
Eletrônica de Potência
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This paper proposes a network communication system applied in a control strategy for parallel-connected multi-inverters, which is based on a distributed control system and a redundant communication system ...
The networked control system is redundant and it provides increased reliability, thus it can be applied in the parallel operation of an on-line Uninterruptible Power Supply (UPS). ...
The voltage reference sample is applied at the input of the PLL, which generates a phase reference that is synchronized with the positive sequence of the grid. ...
doi:10.18618/rep.2019.1.0016
fatcat:bzuhirmby5hvlaikj3nzitqkza
Research on Super Capacitor Energy Storage System and Its Control of Wind Power System Based on Virtual Synchronous Technology
2016
Chemical Engineering Transactions
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The inverter can be equivalently regarded to be synchronous generator with the help of super capacitor. ...
On the basis of the analysis of virtual synchronous generator (VSG), a method of calculating the capacity of energy storage system (ESS) is proposed and a control strategy of the bi-directional converter ...
(Lu and Chu, 2015) apply the theory of virtual synchronous generators (VSG) to grid-connection realm of micro-grids and wind power farms. ...
doi:10.3303/cet1651219
doaj:74d632f3aaf14bd7995d6b50bc95b942
fatcat:pfnddapmvjejzgxqe6ortxbgxm
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