DC-DC converters 1 Electric drives 1 Electric inverters 1 Electric traction 1 Energy Storage Systems Energy storage 1 Energy storage system 1 Fuel cells 1 Fuel storage 1 Hybrid Powertrains 1 Inverter 1 Inverters 1 Light Rail Vehicles 1 Light rail vehicle 1 Mechanical power transmission 1 Modulation 1 Multi-Source Inverter 1 Multi-Sources 1 Multi-source inverte 1 Multimode Rail Traction Systems 1 Multimode rail traction system 1 Multimodes 1 Propulsion 1 Rail traction 1 Railroads 1 Rails 1 Source inverters 1 Storage systems 1 Topology 1 Traction motors 1