The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The improvement in the performance of high energy density capacitors used in pulsed power has accelerated over the past few years. This has resulted from increased research sponsored by the US Army Research Laboratory, in support of the US Military's needs. The capacitor development effort will be discussed as well as the results of both short term and long term testing of a new generation of high...
A capacitor development effort focused on capacitors used in pulsed power and power conversion applications underwent at General Atomics Electronic Systems Inc. (GA-ESI) for decades. In recent years, funding for these efforts has accelerated the rate of development progress to the point where the time it takes to decrease the size of a capacitor by half has dropped from 10 years to 4 years. This progress...
The U.S. Army Research Laboratory has sponsored a capacitor development program for film-dielectric capacitors. The program has evaluated dielectric materials for high energy density capacitors from industrial and academic research programs. High-performance capacitors have been developed that meet the needs of today's military applications. The performance of recently developed capacitors will be...
Summary form only given. The US Army Research Laboratory has sponsored a capacitor development program for film dielectric capacitors that has yielded both superior capacitor performance and the ability to evaluate new polymers on a fast track. The performance of recently developed capacitors, projections for pulse power capacitors in the near term, and the development track for new polymers will...
Film capacitors with energy densities of greater than 1 J/cc and suitable for millisecond and microsecond discharge applications requiring limited life have been characterized. A variety of polymer films have been tested in model capacitors storing and delivering hundreds of Joules of energy at voltages of 2-10 kV. Self-healing metallized film electrodes have been utilized in these designs to achieve...
The Navy's decision for implementation of an Integrated Power System into the next generation of surface combatants (DDX Warship) provides the opportunity for introduction of high powered electric weapons systems. An electromagnetic railgun is a candidate that provides enhanced capabilities for indirect fire support with increased ranges and velocities. Additionally, improvements of logistics for...
The energy density of film capacitors continues to increase. This paper discusses the performance issues of limited life pulsed discharge capacitors operating at better than 2 J/cc (2 MJ/m3) in the 5 kV to 20 kV range. Self-healing metallized electrodes have been utilized in these designs to provide graceful aging at electric fields greater than 500 MV/m. A variety of polymer films have been evaluated...
This paper will describe how film capacitors with energy densities of greater than 1 J/cc and suitable for millisecond discharge applications requiring limited life have been characterized. A variety of polymer films were tested in "model" capacitors storing and delivering hundreds of Joules of energy at voltages of 2-10 kV. Self-healing metallized film electrodes were utilized in these...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.