Increasing the efficiency of the regenerative braking mode of ac electric carriers by excluding the ballast resistance from its power circuit Language English Read more about Increasing the efficiency of the regenerative braking mode of ac electric carriers by excluding the ballast resistance from its power circuit
Improving the efficiency of operation of ac electric locomotives with smooth control of the excitation current of traction motors Language English Read more about Improving the efficiency of operation of ac electric locomotives with smooth control of the excitation current of traction motors
DIODE-TRANSISTOR BASE RAILCAR ROLLING STOCK AC Language English Read more about DIODE-TRANSISTOR BASE RAILCAR ROLLING STOCK ACРусский