TY JOUR TI TEMPERATURE CONTROL OF POWER SEMICONDUCTOR DEVICES OF TRACTION CONVERTER KW traction electro-drive KW transistor KW diode KW temperature KW control system KW equivalent circuit of substitution KW scalar control KW commutation frequency. JO Bulletin of Bryansk state technical university AU Pugachev, A.A. AU Vorobev , V.. AU Strekalov , N.. PY 2017 IS 2017 PB Bryansk State Technical University