Patent
Compact electrical power supply for signal processing applications
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TLDR
In this paper, a compact electrical power supply which derives electrical energy from a low frequency medium voltage source (e.g., a 120 V 60 Hz ac main), and converts the electrical energy to a low voltage format suitable for solid state signal processing equipment is presented.Abstract:
The present invention relates to a compact electrical power supply which derives electrical energy from a low frequency medium voltage source (eg a 120 V 60 Hz ac main), and converts the electrical energy to a low voltage format suitable for solid state signal processing equipment The supply entails in succession bridge rectification means, a dc-dc boost converter, a capacitor storage bank, and a half bridge converter, either resonantly or non-resonantly operated The converters operate at frequencies substantially above audible frequencies in the interests of compactness The design provides a high input power factor (inductive) with minimum EMT, and provides a lengthened voltage hold up after loss of powerread more
Citations
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Journal ArticleDOI
A comparison of half-bridge resonant converter topologies
TL;DR: In this paper, the half-bridge series-resonant, parallel-reonant and combination series-parallel resonant converters are compared for low-output-voltage power supply applications.
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TL;DR: In this article, a Factorized Power Architecture (FPA) method and apparatus includes a front end power regulator (PRM) which provides one or more controlled DC bus voltages which are distributed through the system and converted to the desired load voltages using voltage transformation modules (VTMs) at the point of load.
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Distributed Power Harvesting Systems Using DC Power Sources
TL;DR: In this article, the converters are coupled in series and an inverter is connected in parallel with the series connection of converters and inverts a DC input to the inverter from converters into an AC output.
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TL;DR: In this paper, an off-line switching power supply is described which controls the switching transistor of a fly-back circuit in such a fashion as to achieve better than 0.99 power factor control.
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Method for distributed power harvesting using DC power sources
TL;DR: In this article, the converters are coupled in series and an inverter is connected in parallel with the series connection of converters and inverts a DC input to the inverter from converters into an AC output.
References
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Converter circuit having a controlled output
TL;DR: In this article, an LC resonant circuit is alternately connected from DC input terminals to a winding on an output transformer via a pair of alternately operating switching transistors which turn on in synchronism with the resonant frequency of the LC circuit.
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Circuit Techniques for Improving the Switching Loci of Transistor Switches in Switching Regulators
E. T. Calkin,B. H. Hamilton +1 more
TL;DR: In this paper, it is shown that it is possible to remove most of the switching losses from the switching transistor with two networks, each containing three components: an inductor or a capacitor, a diode, and a resistor.
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TL;DR: In this article, a turnon loss reduction network is added to the switching regulator to reduce the power dissipation inthe switching transistor during turnon, which counteracts the voltage normally appearing across the switching transistor.