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Power Sharing for Inverters Based on Virtual Synchronous Generator Control

Hashim Hasabelrasul Hamid, Amar Ibrahim Hamza Ahmed
2016 Indonesian Journal of Electrical Engineering and Computer Science  
<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

Yan, Cui, Cui
2019 Energies  
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

Daniel Opila, Keith Kintzley, Spencer Shabshab, Stephen Phillips
2019 Energies  
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

Ishita Ray
2021 Energies  
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

Zhendong Ji, Zhihong Zhao, Jianhua Wang, Zhipeng Lv
2018 Polish Maritime Research  
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

Bum-Jun Kim, Ho-Jung Kum, Jung-Min Park, Chung-Yuen Won
2018 Energies  
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

Yajuan Guan, Juan C. Vasquez, Josep M. Guerrero, Ernane Antonio Alves Coelho
2015 2015 IEEE Applied Power Electronics Conference and Exposition (APEC)  
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

Caixue Chen, Kai Liao
2018 DEStech Transactions on Environment Energy and Earth Science  
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

Andres Tarraso, Jose Ignacio Candela, Joan Rocabert, Pedro Rodriguez
2017 2017 IEEE Energy Conversion Congress and Exposition (ECCE)  
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

Md. Ruhul Amin, Shamsul Aizam Zulkifli
2016 International Journal of Power Electronics and Drive Systems  
<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

Chandan Kumar
2019 International Journal for Research in Applied Science and Engineering Technology  
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

P. Aravin dan, T. Vid ya
2015 International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering  
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

Spencer C. Shabshab, Daniel F. Opila
2016 IFAC-PapersOnLine  
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

Cesar Augusto Arbugeri, Neilor Colombo Dal Pont, Tiago Kommers Jappe, Samir Ahmad Mussa, Telles Brunelli Lazzarin
2018 Eletrônica de Potência  
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

P.F. Xu, K. Shi, H.Q. Zhu, D. Zhao, R.K. Li
2016 Chemical Engineering Transactions  
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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