Jong-young Park, Hosung Jung, Hyungchul Kim, Seung-kwon Shin, 2014, Capacity Determination of ESS for Peak Load Shaving Based on the Actual Measurement of Loads in the Substation of Urban Railway, Trans. of KIEE, Vol. 63, No. 6, pp. 860-865

Seungkwon Shin, Hosung Jung, Hyungchul Kim, Jong-young Park, 2014, Analysis of Utilizing Regenerative Energy in Railway System through a DC Power Supply Simulation, Trans. of KIEE, Vol. 63, No. 10, pp. 1479-1484

Korea Railroad Research Institute, , Development of Efficient Infrastructure Connectivity Technology & Interoperability at the Stage in Deteriorated North Korea Railway, 2019

IEC 60850, , Railway applications supply voltages of traction systems, 2007

X. J. Shen, Y. Zhang, S. Chen, 2012, Investigation of grid- connected photovoltaic generation system applied for Urban Rail Transit energy-savings, 2012 IEEE Industry Applications Society Annual Meeting, Las Vegas, NV

A. Clerici, E. Tironi, F. Castelli-Dezza, May-June 2018, Multiport Converters and ESS on 3-kV DC Railway Lines: Case Study for Braking Energy Savings, in IEEE Transactions on Industry Applications, Vol. 54, No. 3, pp. 2740-2750

S. D’Arco, L. Piegari, P. Tricoli, Dec 2018, Comparative Analysis of Topologies to Integrate Photovoltaic Sources in the Feeder Stations of AC Railways, in IEEE Transactions on Transportation Electrification, Vol. 4, No. 4, pp. 951-960

O. Tremblay, L.-A. Dessaint, A.-I. Dekkiche, 2007, A Generic Battery Model for the Dynamic Simulation of Hybrid Electric Vehicles, Vehicle Power and Propulsion Conference, IEEE, pp. 284-289