《A railway power quality conditioner based on chain circuit using impedance-matching balance transformers》Ding, Na (Key Laboratory of Magnetic Suspension Technology and Maglev Vehicle, Ministry of Education, Chengdu 610031, China); Shu, Zeliang; Guo, Yuhua Source: APAP 2011 - Proceedings: 2011 International Conference on Advanced Power System Automation and Protection, v 1, p 374-377, 2011, APAP 2011 - Proceedings: 2011 International Conference on Advanced Power System Automation and Protection