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Review of Active and Reactive Power Sharing Strategies in Hierarchical Controlled Microgrids

Yang Han, Hong Li, Pan Shen, Ernane Antonio Alves Coelho, Josep M. Guerrero
2017 IEEE transactions on power electronics  
power sharing for islanded microgrids and eliminate the effect of the communication delays on hierarchical control.  ...  Microgrids consist of multiple parallel-connected distributed generation (DG) units with coordinated control strategies, which are able to operate in both grid-connected and islanded mode.  ...  Control for Microgrids with Complex Loads The methods for active and reactive power sharing in microgrids with linear load are well developed, but it is still difficult to ensure the reactive power sharing  ... 
doi:10.1109/tpel.2016.2569597 fatcat:qyye7tdrazdznhnsdefnflrixy

Decentralized Multi-Agent System-Based Cooperative Frequency Control for Autonomous Microgrids With Communication Constraints

Wei Liu, Wei Gu, Wanxing Sheng, Xiaoli Meng, Zaijun Wu, Wu Chen
2014 IEEE Transactions on Sustainable Energy  
Using the optimized average consensus algorithm, the global information (i.e., total active power deficiency of the microgrid) can be accurately shared in a decentralized way.  ...  Based on power line carrier communication technology, a decentralized multi-agent system (DMAS)-based frequency control strategy is proposed and investigated in this study on an autonomous microgrid with  ...  Even if the communication network speed is 2 Mb/s, the communication time delay in the simulation case is tolerable and can be acceptable for practical online frequency control in an islanded microgrid  ... 
doi:10.1109/tste.2013.2293148 fatcat:5a56zjftorabpdni4zrkkbemzq

Fully distributed hierarchical control strategy for multi-inverter-based AC microgrids

Deepak Pullaguram, Rubi Rana, Sukumar Mishra, Nilanjan Senroy
2020 IET Renewable Power Generation  
A fully distributed hierarchical control strategy for multiple inverters-based AC microgrid is proposed.  ...  The economic dispatch control unit is embedded with the frequency restoration at the secondary level controller to change the active power supply from the inverter.  ...  In this context, a robust distributed secondary control of islanded microgrid is presented in [17, 18] , where the proportional reactive power sharing is achieved along with the regulation of microgrid  ... 
doi:10.1049/iet-rpg.2019.1117 fatcat:zoseksxxobhmvjx4pzirlbg5bq

Smart microgrids and virtual power plants in a hierarchical control structure

T. L. Vandoorn, B. Zwaenepoel, J. D. M. De Kooning, B. Meersman, L. Vandevelde
2011 2011 2nd IEEE PES International Conference and Exhibition on Innovative Smart Grid Technologies  
Microgrids and virtual power plants (VPPs) address this issue. Opposed to VPPs, microgrids have the functionality of islanding, for which specific control strategies have been developed.  ...  Microgrid secondary control deals with other aspects such as resource allocation, economic optimization and voltage profile improvements.  ...  The overlaying control is responsible for further microgrid optimization, such as: economic optimization, set point changes of active and reactive power to follow predefined schedules, problem management  ... 
doi:10.1109/isgteurope.2011.6162830 dblp:conf/isgteurope/VandoornZKMV11 fatcat:ik3r2aug5vgofobmkj6tqz2usm

Distributed secondary control for islanded MicroGrids - A networked control systems approach

Qobad Shafiee, Juan C. Vasquez, Josep M. Guerrero
2012 IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society  
The proposed approach is not only able to restore frequency and voltage of the MicroGrid but also ensures reactive power sharing.  ...  A distributed networked control system is used in order to implement a distributed secondary control thus avoiding the use of a MicroGrid Central Control.  ...  PERFORMANCE OF DISTRIBUTED SECONDARY CONTROL CONSIDERING COMMUNICATION LATENCY, WHEN COMPARED WITH THE CENTRAL SECONDARY CONTROL Time Delay Central Secondary Control Distributed Secondary Control  ... 
doi:10.1109/iecon.2012.6389034 dblp:conf/iecon/ShafieeVG12 fatcat:4qzig7rj4vgqxoyuqjocro4nq4

2020 Index IEEE Transactions on Smart Grid Vol. 11

2020 IEEE Transactions on Smart Grid  
., and Hojabri, H., Small-Signal Stability Analysis and Active Damping Control of DC Microgrids Integrated With Distributed Electric Springs; 3737-3747 Hou, K., see Liu, X., TSG Nov. 2020 5431-5441  ...  Expansion Planning for Active Distribution Network in Deregulated Retail Power Market; 1476-1488 Wang, J., see Arif, A., TSG Jan. 2020 673-685 Wang, J., see Cao, X., TSG Jan. 2020 696-709 Wang,  ...  ., +, TSG May 2020 2487-2497 Distributed Secondary Voltage Control in Islanded Microgrids With Con- sideration of Communication Network and Time Delays.  ... 
doi:10.1109/tsg.2020.3044227 fatcat:qp5iogfnrnambc3qzuwvj4aega

Networked Hierarchical Control Strategy for Voltage and Frequency in an Islanded Microgrid Considering Time Delay

Lizhen Wu, Aihu Lei, Xiaohong Hao
2017 International Journal of Control and Automation  
Due to the effect of line impedance and unequal load distribution, conventional droop control has limitations on the regulation of voltage, frequency and reactive power sharing in Microgrids (MGs) with  ...  the local droop controllers and improve the accuracy of reactive power sharing, but also reduce the requirement of communication bandwidth, which makes the system more reliable and scalable.  ...  science and technology plan (No.2016-3-67).  ... 
doi:10.14257/ijca.2017.10.10.03 fatcat:zciu5d7uqfhphjiyr3sxpd3elu

Reactive Power-sharing and Voltage Restoration in Islanded AC Microgrids

2021 Turkish Journal of Electrical Engineering and Computer Sciences  
This paper presents a novel and innovative control scheme to ensure sharing of reactive power between Distributed generation units within an autonomous, islanded AC microgrid.  ...  Microgrids (MG) are a new and innovative concept in modern distribution networks. Several challenges are associated with the operation and control of MG networks.  ...  Also, a distributed voltage observer is developed for average voltage regulation. [32] A distributed reactive power sharing control problem for an autonomous inverter-based microgrid with resilience for  ... 
doi:10.3906/elk-2106-2 fatcat:vtcpvzdho5ffdl2xqoldusk2r4

Review of power sharing, voltage restoration and stabilization techniques in hierarchical controlled DC microgrids

Yang Han, Xing Ning, Ping Yang, Lin Xu
2019 IEEE Access  
Compared with the ac microgrids, the dc microgrids have the advantages of high system efficiency, good power quality, low cost, and simple control.  ...  Hence, the various secondary control approaches, such as dynamic current sharing scheme, muti-agent system (MAS) control and virtual voltage control methods have been summarized for voltage regulation.  ...  COMMUNICATION DELAY RESTRICTION FOR MICROGRIDS AND MICROGRID CLUSTER Indeed, there may exist multiple time delays in different exchange channels.  ... 
doi:10.1109/access.2019.2946706 fatcat:gbtf4rxrqfdq3b72rehahx3qay

Secondary Restoration Control of Islanded Microgrids With a Decentralized Event-Triggered Strategy

Meng Chen, Xiangning Xiao, Josep M. Guerrero
2018 IEEE Transactions on Industrial Informatics  
require the communication between distributed secondary controllers at some particular instants while having frequency and voltage restoration function and accurate active power sharing.  ...  In this paper, an event-triggered approach based distributed control strategy is used to deal with the secondary frequency and voltage control in the islanded microgrid.  ...  To solve this, a droop-based distributed reactive power sharing control for microgrids with event-triggered communication is proposed in [12] .  ... 
doi:10.1109/tii.2017.2784561 fatcat:6e4l2kydsrhcxplgb2kd3gy3vi

Microgrids: Enhancing the Resilience of the European Megagrid

Goran Strbac, Nikos Hatziargyriou, Joao Pecas Lopes, Carlos Moreira, Aris Dimeas, Dimitrios Papadaskalopoulos
2015 IEEE Power and Energy Magazine  
to its autonomy when in islanding mode ✔ real-time, post-fault microgrid reconfiguration/restoration including optimizing settings of network control sources (active reactive power control, voltage control  ...  Local secondary frequency control is added to the active power control of microsources to determine the new active power reference to compensate the power injected by the storage units.  ... 
doi:10.1109/mpe.2015.2397336 fatcat:e6spdz2dqjheblwi4j3raeg7ka

Consensus based Delay-tolerant Distributed Secondary Control Strategy for Droop Controlled AC Microgrids

Shafaat Ullah, Laiq Khan, Irfan Sami, Nasim Ullah
2021 IEEE Access  
This article formulates a fully-distributed and delay-tolerant secondary control scheme for droop-controlled AC microgrids.  ...  CASE 5: COMPARISON OF THE PROPOSED SECONDARY CONTROL SCHEME WITH THE EXISTING SCHEME The proposed control scheme is further tested against the existing distributed equal active power sharing scheme, found  ...  Such as, in [13] , a consensus-based robust secondary frequency and voltage restoration along with active power sharing control strategy has been implemented for an islanded AC microgrid based on a prototype  ... 
doi:10.1109/access.2020.3048723 fatcat:jdplvjxwujdyhdubxx4lsvnpri

DC Microgrid Planning, Operation, and Control: A Comprehensive Review

Fahad Saleh Al-Ismail
2021 IEEE Access  
Power-sharing and energy management operation, control, and planning issues are summarized for both grid-connected and islanded DC microgrids.  ...  the power-sharing.  ...  Since in distributed control several units communicate with the adjoining units only, the global power sharing information is not available.  ... 
doi:10.1109/access.2021.3062840 fatcat:jtl4srrmazcvnkumamvqtpqptu

Distributed Secondary Control for Islanded Microgrids—A Novel Approach

Qobad Shafiee, Josep M. Guerrero, Juan C. Vasquez
2014 IEEE transactions on power electronics  
The proposed approach is not only able to restore frequency and voltage of the MicroGrid but also ensures reactive power sharing.  ...  This paper presents a novel approach to conceive the secondary control in droop-controlled MicroGrids.  ...  Fig. 9 . 9 Small signal model of distributed control for a DG unit in a low R/X islanded MicroGrids a) voltage control b) reactive power sharing.  ... 
doi:10.1109/tpel.2013.2259506 fatcat:uvmwaq3bajbtxio6t766opfqzu

Robust Networked Control Scheme for Distributed Secondary Control of Islanded Microgrids

Qobad Shafiee, Cedomir Stefanovic, Tomislav Dragicevic, Petar Popovski, Juan C. Vasquez, Josep M. Guerrero
2014 IEEE transactions on industrial electronics (1982. Print)  
for distributed secondary control of islanded microgrids," IEEE Trans.  ...  The tertiary control is responsible Index Terms—Distributed control, microgrid (MG), secondary for global optimization of the MG and managing power flow control, communication  ... 
doi:10.1109/tie.2013.2293711 fatcat:g7bmxobldvdd5ojsxo35xf5qvq
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