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W. C. Lee, D. M. Lee, and T.-K. Lee, “New control scheme for a unified power-quality compensator-Q with minimum active power injection,” IEEE Trans. Power Del., Vol. 25, No. 2, pp. 1068-1076, Feb. 2010.
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M. Kesler and E.Ozdemir, “Synchronous-reference-framebased control method for UPQC under unbalanced and distorted load conditions,” IEEE Trans. Ind. Electro., Vol. 58, No. 9, pp. 3967-3975, Sep. 2011.
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G. S. Kumar, P. H. Vardhana, B. K. Kumar, and M. K. Mishra, “Minimization of VA loading of unified power quality conditioner (UPQC),” in POWERENG 2009 conf., pp. 552-557, Mar. 2009.
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V. Khadkikar and A. Chandra, “UPQC-S: A novel concept of simultaneous voltage sag/swell and load reactive power compensations utilizing series inverter of UPQC,” IEEE Trans. Power Electron., Vol. 26, No. 9, pp. 2414-2425, Sep. 2011.
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V. Khadkikar and A. Chandra, “A new control philosophy for a unified power quality conditioner (UPQC) to coordinate load-reactive power demand between shunt and series inverters,” IEEE Trans. Power Del., Vol. 23, No. 4, pp. 2522-2534, Oct. 2008.
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H. Heydari and A. H.Moghadasi, “Optimization scheme in combinatorial UPQC and SFCL using normalized simulated annealing,” IEEE Trans. Power Del., Vol. 26, No. 3, pp. 1489- 1498, Mar. 2011.
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H. R. Mohammadi, A. Y. Varjani, and H. Mokhtari, “Multiconverter unified power-quality conditioning system: MC-UPQC,” IEEE Trans. Power Del., Vol. 24, No. 3, pp. 1679-1686, Jul. 2009.
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A. E. Leon, S. J. Amodeo, J. A. Solsona, and M. I. Valla, “Non-linear optimal controller for unified power quality conditioners,” IET power Electron., Vol. 4, No. 4, pp. 435-446, Apr. 2011.
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N. G. Jayanti, M. Basu, M. F. Conlon, and K. Gaughan, “Rating requirements of the unified power quality conditioner to integrate the fixedspeed induction generator-type wind generation to the grid,” IET Renew Power Gener., Vol. 3, No. 2, pp. 133-143, Feb. 2009.
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V. Khadkikar, A. Chandra, A. O. Barry, and T. D. Nguyen, “Power quality enhancement utilising single-phase unified power quality conditioner: digital signal processor-based experimental validation,” IET power Electron., Vol. 4, No. 3, pp. 323-331, Mar. 2011.
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L. Zhang, P. C. Loh, and F. Gao, “An integrated nine-switch power conditioner for power quality enhancement and voltage sag mitigation,” IEEE Trans. Power Electron., Vol. 27, No. 3, pp. 1177-1190, Mar. 2012.
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Y. Lu, G. Xiao, B. Lei, X. Wu, and S. Zhu, “A transformerless active voltage quality regulator with the parasitic boost circuit,” IEEE Trans. Power Electron., Vol. 29, No. 4, pp. 1746-1756, Apr. 2014.
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T. Jimichi, H. Fujita, and H. Akagi, “A dynamic voltage restorer equipped with a high-frequency isolated DC-DC converter,” IEEE Trans. Ind. Appl., Vol. 47, No. 1, pp. 169-175, Jan. 2011.
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M. Basu, S. P. Das, and G. K. Dubey, “Investigation on the performance of UPQC-Q for voltage sag mitigation and power quality improvement at a critical load point,” IET Gener. Transm. Distrib., Vol. 2, No. 3, pp. 414-423, Mar. 2008.
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B. Han, B. Bae, S. Baek, and G. Jang, “New configuration of UPQC for medium-voltage application,” IEEE Trans. Power Del., Vol. 21,No. 3, pp. 1438-1444, Mar. 2006.
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I. Axente, J. N. Ganesh, M. Basu, M. F. Conlon, and K. Gaughan, “A 12-kVA DSP-controlled laboratory prototype UPQC capable of mitigating unbalance in source voltage and load current,” IEEE Trans. Power Electron., Vol. 25, No. 6, pp. 1471-1479, Jun. 2010.
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S. B. Karanki, M. K. Mishra, and B. K. Kumar, “Particle swarm optimization-based feedback controller for unified power-quality conditioner,” IEEE Trans. Power Del., Vol. 25, No. 4, pp. 2814-2824, Oct. 2010.
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V. G. Kinhal, P. Agarwal, and H. O. Gupta, “Performance investigation of neural-network-based unified power-quality conditioner,” IEEE Trans. Power Del., Vol. 26, No. 1, pp. 431-437, Jan. 2011.
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M. Gómez, E. Jiménez, E. Martínez-Cámara, M. Pérez, and J. Blanco, “LVRT- DGFACTS devices in wind farms,” in Proc. Power Engineering, Energy and Electrical Drives Conf., pp. 1-7, 2011.
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Y. Li, D. M. Vilathgamuwa, and P. C. Loh, “Microgrid power quality enhancement using a three-phase four-wire grid-interfacing compensator,” IEEE Trans. Ind. Appl., Vol. 41, No. 6, pp. 1707-1719, Jun. 2006.
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J. A. Muñoz, J. R. Espinoza, L. A. Moran, and C. R. Baier, “Design of a modular UPQC configuration integrating a components economical analysis,” IEEE Trans. Power Del., Vol. 24, No. 4, pp. 1763-1772, Apr. 2009.
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V. Khadkikar and A. Chandra, “A novel structure for three-phase four-wire distribution system utilizing unified power quality conditioner (UPQC),” IEEE Trans. Ind. Appl., Vol. 45, No. 5, pp. 1897-1902, May. 2009.
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V. Khadkikar, “Enhancing electric power quality using UPQC: A comprehensive overview,” IEEE Trans. Power Electron.,Vol. 27, No. 5, pp. 2284-2297,May. 2012.
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A. Teke, L. Saribulut, and M. Tumay, “A novel reference signal generation method for power-quality improvement of unified power-quality conditioner,” IEEE Trans. Power Del., Vol. 26, No. 4, pp. 2205-2214, Apr. 2011.
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M. Brenna, R. Faranda, E.Tironi,“A new proposal for power quality and custom power improvement: open UPQC,” IEEE Trans. Power Del., Vol. 24, No. 4, pp. 2107-2116, Apr. 2009.
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