A Hierarchical Control Strategy of Multi-Microgrids

Abstract:

This paper gives a hierarchical control strategy of multi-microgrids. The hierarchical control structure is made up with microgrid center controller (MGCC), microgrid controller (MC), generator controller (GC), load controller (LC). Controllers recognize the current operation mode of microgrids according to state trigger event and local operation state, realize transition of operation state. Controller is controlled by the upper controller, but once the communication among controllers is interrupted, MC can operate normally according to its local operation state. Thus, the MCs have a certain independence. The simulation platform is built-up by Netlogo for simulation of controller logic and communication coordination mechanism, OpenDSS for modeling distribution network and multi-microgrids, and matlab for data transmission and control optimization. With the simulation platform, this paper analyzed the characteristics of power regulation and different state transitions of multi-microgrids. Through verification, the strategy is available to realize operation state transition of multi-microgrids, guarantee stability of multi-microgrids under every operation state. Besides, compared with centralized control, it has better control effect and it has faster response.

• Periodical: Applied Mechanics and Materials (Volumes 738-739)
• Pages: 955-961
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.738-739.955
• Online since: March 2015
• Authors: Li Fan*, Lei Wei, Xin Jian Zhao
• Keywords: Hierarchical Control, Multi-Agent Simulation, Multi-Microgrids Model, Operation State Transition, State Trigger Event

References

[1] Ming Ding, Ying-yuan Zhang and Mei-qin Mao: Key Technologies for Microgrids Being Researched (in Chinese). Power System Technology Vol. 33 (2009), pp.7-8.

[2] Lasseter R. H: Microgrids. Proceedings of IEEE Power Engineering Society Winter Meeting, vol 27-31( 2002), pp.305-308.

[3] PECAS LOPES J A, MOREIRA C L, MADUREIRA A G: Defining control strategies for microgrids islanded operation. IEEE Transactionson Power Systems, vol. 21（2006）, pp.916-924.

DOI: 10.1109/tpwrs.2006.873018

[4] Miao Lu: The Research and Implementation of Microgrid Operation and Control Strategies. Thesis for the Master Degree, (2012).

[5] Katiraei E, Iravani M R: Power management strategies for a microgrid with multiple distributed generation units. IEEE Trans on Power Systems, vol. 21(2006), pp.1821-1831.

DOI: 10.1109/tpwrs.2006.879260

[6] Tsikalakis A G, Hatziargyriou N D: Centralized control for optimizing microgrids operation. IEEE Trans on Energy Conversion, vol. 23(2008), pp.241-248.

DOI: 10.1109/tec.2007.914686

[7] Ren Guan Ke: Research on Typical Power Supply Mode of Micro-grid and Optimal Allocation of Micro-power. Thesis for the Master Degree, (2013).

[8] A.L. Dimeas, N.D. Hatziargyriou: A MAS architecture for microgrids control. Washington : Proceedings of the 13th International Conference on Intelligent Systems Application to Power Systems, 2005: 402-406.

DOI: 10.1109/isap.2005.1599297

[9] Nian Cheng Zhou, Ming Jin, Qiang Gang Wang: Hierarchical Coordination and Master-slave Control Strategy of Multi-microgrids System with Series and Parallel Structure. Automation of Electric Power Systems, Vol. 37 (2013), pp.13-18.

[10] M. C Chandorkar, D. M Divan, and R Adapa. Control of parallel connected inverters in standalone ac supply systems. IEEE Trans on Industry Applications, Vol. 29(1993): 136-141.

DOI: 10.1109/28.195899

[11] Bin Hu: A Thesis Submitted to Chongqing University in Partial Fulfillment of the Requirement for the Degree of Master of Engineering. Thesis for the Master Degree, (2011).

[12] Wilensky, U: Netlogo. http: /ccl. northwestern. edu/Netlogo/. Center for Connected Learning and Computer- Based Modeling, Northwestern University, Evanston, IL, (1999).

[13] EPRI. Introduction to the OpenDSS[EB/OL]. [2012-07-07]. http: / electricdss. svn. sourceforge. net.

[13] Antonio J, Conejo, Francisco D. Galiana, Ivanna Kockar: Z-Bus Loss Allocation. IEEE TRANSACTIONS ON POWER SYSTEMS, Vol. 16(2001): 105-110.

DOI: 10.1109/59.910787