Non-Line-Impedance-Synthesized Power Sharing Control in Microgrid Using On-Demand Power Feeding
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Published:
Aug 20, 2018
Keywords:
Automatic generation control distributed power generation microgrids power control power sharing
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Abstract
A method of power sharing control in the islanding operation of microgrid is proposed in this paper. The proposed approach formulates the power generation of each DG by the relationship of power-angle control, in which the magnitude and angle of the generating voltage are adjusted to follow the change of demanding power. By comparison to the previous work, the new method does not need the value of line impedance, connecting between DG and the common bus, to incorporate the control function. The method, limiting the output power and preventing power consumed by the DG, is also improved. The new method of power-angle control demonstrated that without using the knowledge of line impedance, the suitable power sharing point in the microgrid could also be tracked within each DG’s capacity autonomously. Simulation and experimental results demonstrate the validity of the proposed control.
Article Details
How to Cite
[1]
S. Janjornmanit, “Non-Line-Impedance-Synthesized Power Sharing Control in Microgrid Using On-Demand Power Feeding”, sej, vol. 13, no. 1, pp. 202–211, Aug. 2018.
Section
Research Articles
Copyright belongs to Srinakharinwirot University Engineering Journal
References
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[2] M. N. Marwali, J. W. Jung, and A. Keyhani, “Control of distributed generation systems—Part II: Load sharing control,” IEEE Trans. Power Electron, vol. 19, no. 6, pp. 1551–1561, 2004.
[3] A. Mehrizi-Sani and R. Iravani, “Potential function based control of a microgrid in islanded and grid-connected modes,” IEEE Trans. Power Syst., vol. 25, no. 4, pp. 1883–1891, 2010.
[4] J. M. Guerrero, L. Hang, and J. Uceda, “Control of distributed uninterruptible power supply systems,” IEEE Trans. Ind. Electron, vol. 55, no. 8, pp. 2845–2859, 2008.
[5] F. Katiraei and M. R. Iravani, “Power Management Strategies for a Microgrid with Multiple Distributed Generation Units,” IEEE Trans. Power Syst., vol. 21, no. 4, pp. 1821-1831, 2006.
[6] J. M. Guerrero, J. Matas, L. G. de Vicuña, M. Castilla, and J. Miret, “Wireless-control strategy for parallel operation of distributed generation inverters,” IEEE Trans. Ind. Electron, vol. 53, no. 5, pp. 1461–1470, 2006.
[7] K. D. Brabandere, B. Bolsens, J. V. D. Keybus, A. Woyte, J. Driesen, and R. Belmans, “A voltage and frequency droop control method for parallel inverters,” IEEE Trans. Power Electron., vol. 22, no. 4, pp. 1107–1115, 2007.
[8] M. Ashabani, Y.A.-R.I. Mohamed, M. Mirsalim, and M. Aghashabani, “Multivariable droop control of synchronous current converters in weak grids/microgrids with decoupled dq-axes currents,” IEEE Trans. Smart Grid, vol. 6, no. 4, pp. 1610-1620, 2015.
[9] W. Ferreira de Souza, M.A. Severo-Mendes, and L.A.C. Lopes, “Power sharing control strategies for a three-phase microgrid in different operating condition with droop control and damping factor investigation,” IET Renewable Power Gener., vol. 9, no. 7, pp. 831-839, 2015.
[10] J. Rocabert, A. Luna, F. Blaabjerg, and P. Rodríguez, “Control of power converters in AC microgrids,” IEEE Trans. Power Electron, vol. 27, no. 11, pp. 4734-4749, 2012.
[11] J. M. Guerrero, M. Chandorkar, T. Lee, and P. C. Loh, “Advanced control architectures for intelligent microgrids—Part I: decentralized and hierarchical control,” IEEE Trans. Ind. Electron, vol. 60, no. 4, pp. 1254-1262, 2013.
[12] R. Majumder, A. Ghosh, G. Ledwich and F. Zare, "Angle droop versus frequency droop in a voltage source converter based autonomous microgrid," in IEEE Power & Energy Society General Meeting, Calgary, AB, 2009, pp. 1-8.
[13] R. Majumder, B. Chaudhuri, A. Ghosh, R. Majumder, G. Ledwich, and F. Zare, “Improvement of stability and load sharing in an autonomous microgrid using supplementary droop control loop,” IEEE Trans. Power Syst., vol. 25, no. 2, pp. 796–808, 2010.
[14] R. Majumder, A. Ghosh, G. Ledwich, and F. Zare, “Load sharing and power quality enhanced operation of a distributed microgrid,” IET Renewable Power Gener., vol. 3, no. 2, pp. 109–119, 2009.
[15] M.S. Golsorkhi and D.D.C. Lu, “A control method for inverter-Based islanded microgrids based on V-I droop characteristics,” IEEE Trans. Power Delivery, vol. 30, no. 3, pp. 1196-1204, 2015.
[16] S. Tabatabaee, H. R. Karshenas, A. Bakhshai and P. Jain, "Investigation of droop characteristics and X/R ratio on small-signal stability of autonomous Microgrid," in The 2nd Power Electronics, Drive Systems and Technologies Conference, Tehran, 2011, pp. 223-228.
[17] J. M. Guerrero, L. GarciadeVicuna, J. Matas, M. Castilla, and J. Miret, “Output impedance design of parallel-connected UPS inverters with wireless load-sharing control,” IEEE Trans. Ind. Electron, vol. 52, no. 4, pp. 1126–1135, 2005.
[18] W. Yao, M. Chen, J. Matas, M. Guerrero, and Z. Qian, “Design and analysis of the droop control method for parallel inverters considering the impact of the complex impedance on the power sharing,” IEEE Trans. Ind. Electron, vol. 58, no. 2, pp. 576–588, 2011.
[19] F. Z. Peng, Y. W. Li and L. M. Tolbert, "Control and protection of power electronics interfaced distributed generation systems in a customer-driven microgrid," in IEEE Power & Energy Society General Meeting, Calgary, AB, 2009, pp. 1-8.
[20] S. J. Chiang, C. Y. Yen, and K. T. Chang, “A multi module parallelable series-connected PWM voltage regulator,” IEEE Trans. Ind. Electron, vol. 48, no. 3, pp. 506–516, 2001.
[21] Y. Xiaoxiao, A. M. Khambadkone, W. Huanhuan, and S. Terence, “Control of parallel-connected power converters for low-voltage microgrid—Part I: A hybrid control architecture,” IEEE Trans. Power Electron, vol. 25, vo. 12, pp. 2962–2970, 2010.
[22] D. M. Vilathgamuwa, L. Poh Chiang, and Y. Li, “Protection of microgridsduring utility voltage sags,” IEEE Trans. Ind. Electron, vol. 53, no. 5, pp.1427–1436, 2006.
[23] S. Janjornmanit and S. Premrudeepreecha-charn, “A power sharing control for microgrid based on extrapolation of injecting power and power-angle control,” Turk. J. Elec. Eng. & Comp. Sci., vol. 25, no. 2, pp. 689–704, 2017.
[24] W. D. Stevenson, Elements of Power System Analysis. Singapore, McGraw-Hill, 1982, pp. 206-208.