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1 Guerrero JM, "Uninterruptible power supply systems provide protection" 1 : 28-38, 2007
2 Boutin LJ, "Uninterruptible power supplies in the textile industry" 9 (9): 127-132, 1973
3 Vazquez Nimrod, "Two-stage uninterruptible power supply with high power factor" 55 (55): 2954-2962, 2008
4 Karve S, "Three of kind [UPS topologies, IEC stand-ard]" 46 (46): 27-31, 2000
5 Korea Energy Agency, "Survey on the promotion policies of ESS enlargement in major countries and suggestion of domestic introduction" Korea Energy Agency 2017
6 Niroomand M, "Review and compare-son of control methods for uninterruptible power supplies" 18-23, 2010
7 Eom J-K, "Research of economical dispatch algorithm for ESS with UPS function" Sungkyunkwan University 2015
8 Jang S-K, "Power management system of ESS within On-Line UPS Function"
9 Jain PK, "Performance of a single-stage UPS system for single-phase trapezoidal-shaped AC-voltage supplies" 13 (13): 912-923, 1998
10 Kim Sangjin, "Operation and control strategy of a new hybrid ESS-UPS system" 33 (33): 4746-4755, 2018
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15 Yang J-H, "Energy storage system with PV generation and on-line UPS functions" 1-4, 2014
16 임승범, "ESS 기능을 갖는 하이브리드 UPS" 전력전자학회 19 (19): 266-275, 2014
17 D Dong, "Design of hybrid ac-dc-ac topology for uninterruptible power supply" 1-5, 2015
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20 Racine MS, "An overview of uninterruptible power supplies" 159-164, 2005
21 Tan X, "Advances and trends of energy storage technology in microgrid" 44 : 179-191, 2013
22 Yeh CC, "A reconfi gurable un-interruptible power supply system for multiple power quality applications" 22 (22): 1361-1372, 2007