1. Y. Chung, D.-J. Won, S.-Y. Park, S.-Il Moon, J.-K. Park, The DC link energy control method in dynamic voltage restorer system. Electric. Power Energy Syst. (25), 525–531 (2003)
2. D.-M. Lee, T. G. Habetler, R. G. Harley, J. Rostron, T. Keister, A voltage sag supporter utilizing a PWM switched autotransformer. IEEE Power Electronics Specialists Conference, Aachen, Germany, pp. 4244–4250 (2004)
3. A. K. Ramasamy, R. K. Iyer, R.N. Mukerjee, V. K. Ramachandramurthy, Dynamic voltage restorer for voltage sag compensation. IEEE PEDS, pp. 1289–1293 (2005)
4. C. Fitzer, M. Barnes, P. Green, Voltage sag detection technique for a dynamic voltage restorer. IEEE Trans. Industry Appl. 40(1), 203–212 (2004)
5. P. Daehler, R. Affolter, Requirements and solutions for dynamic voltage restorer, a case study (the summary of the presentation for the panel session “Method for voltage sag mitigation”) Power Winter Meeting, Singapore, January 23–27, 2000