P. Chowdhuri
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View article: dc arc interruption in pressurized gasses
dc arc interruption in pressurized gasses Open
The purpose of the study was to investigate the possibility of achieving (1) short interruption time and (2) minimum contact erosion in a dc circuit interrupter. Arc interruption tests were performed on a 100-A, 600-V dc contactor under at…
View article: Electromechanical capacitor for energy transfer
Electromechanical capacitor for energy transfer Open
Inductive energy transfer between two magnets can be achieved with almost 100% efficiency with a transfer capacitor. However, the bulk and cost will be high, and reliability low if conventional capacitors are used. A homopolar machine, use…
View article: Analysis of switching surges generated by current interruption in an energy-storage coil
Analysis of switching surges generated by current interruption in an energy-storage coil Open
The paper presents an analysis of the transient voltages which are generated when the current in a large magnetic energy storage coil is interrupted by a dc vacuum circuit breaker. The effect of the various parameters in the circuit on the…
View article: Analysis of a pulsed power system containing rotating machine
Analysis of a pulsed power system containing rotating machine Open
Several hundred megajoules of energy lasting for several seconds are required for magnetic fusion experiments. Such high energy can be stored as inertial energy in an alternator which is brought up to speed slowly. The alternator is then d…