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Build Small, Lighter Power Systems by Eliminating Bulk Capacitance

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[Brief]For many equipment, the size and weight of electronic systems is a critical requirement.This is particularly obvious in applications such as aerospace, where additional size and weight in a drone, for example, reduces range and flying time. But most systems can benefit from smaller or lighter electronics. Power system designers often focus their efforts to cut size and weight during the component selection process, but the reality is that at this stage only relatively small incremental improvements can be delivered.
Selecting the right power system architecture can have a much bigger impact than optimizing component selection for a particular design. The design of the power system determines the components and cabling required. For example, increasing the voltage used to distribute power reduces the size of the conductors required, which can be a significant factor in some applications.
The selection of power architecture can also have an impact on the components that need to be used, both active and passive, allowing large reductions in size and weight.Although the power density and weight of the converters is important, in many cases other components, from heatsinks to bulk capacitors, are bigger contributors to the power system’s overall size and weight.
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Document Size:631.6KB
Document format:PDF
Online Date: 2016-03-22

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