Goncharov, Y. P.; Zamaruev, V. V.; Ivahno, V. V.; Panasenko, N. V.; Bozhko, V. V.; Andryenko, P. D.; Lahuta, I. I. ABNORMAL AND TRANSIENT MODES OF THE CONVERTER BOOSTER TYPE FOR DC TRACTION SUBSTATIONS. STP 2009, 61-66.