Circuit operating DC series motor in e.g. traction engineering, has separate, independently-adjustable current controllers for armature and field circuits.
DE10032447A1
Method for current harmonic compensation in pulsed line converters with voltage intermediate circuit
DE10026835A1
Circuit arrangement and method for avoiding deep charge states in lead batteries in battery-buffered electrical systems, in particular in rail vehicles
DE10026836C1
Monitoring device for safety loop between coupled rail vehicles uses constant current source for testing breaker contacts within safety loop prior to operation
DE19945199A1
Drive method for pulse inverter by driving six switches so that three=phase system is displaced w.r.t. virtual star point
DE19903239A1
Determining state of charge of battery connected to charger involves forming ratio of battery voltage and load current differences for two different charger output voltages at same temperature
DE19845821A1
Converter unit in modular design, especially for rail vehicles
DE19532633A1
Circuit for monitoring blocking capacity in series-connected electronic circuit element
DE19527969C1
Connection bolts for power electronic components
DE19526155C1
Filter arrangement for catenary-fed electronic components of DC railways
DD290518A5
Phase failure detector
DD272730A1
Method for producing a winding component for inductances
DD301145A7
Electronic power supply and operating circuit for discharge lamps
DD264558A1
Method for overload protection of three-phase generators in autonomous power supply systems
DD240302A1
Air lack protection
DD224282A1
Integrated diagnostic device in programmable climate controller for railway cars
