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Technology
The Technology Transfer and Partnerships Office
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Area of Expertise
Energy and Power Energy and Power

Innovations at NASA address the ever-growing need to reduce power consumption and improve efficiency of power generation. NASA’s Marshall Space Flight Center has produced innovations leading to a high-efficiency power amplifier that converts direct current electrical power to a radio frequency signal to dramatically reduce power consumption and increase battery life for portable electronics. Other technology developments benefit heating and air conditioning systems and improve heat transfer efficiency in nuclear reactors, providing electrical power in space and here on Earth.



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Featured Technologies

amplifier system

NASA has developed a High Power Solid State Power Amplifier System that combines 1KW modules (16 amps total) to generate up to 16KW of radio frequency (RF) power from 2–30 MHz. The NASA device is a first step toward increasing the power of solid state power amp devices so that they might replace the more cumbersome vacuum tube amps for some applications. Also, when vacuum tube amps fail, a total power failure occurs. Since the NASA device, however, is a system of amplifiers, it enables graceful failure, meaning one or more stages can fail and the system will continue to operate, although at reduced power.

medical imaging

NASA's Marshall Space Flight Center (MSFC) has developed a new high-voltage power supply (HVPS) that is both space-qualified and has a fast rise-and-fall time. The HVPS is programmable up to 1250V and is capable of delivering 300mA at full output voltage. The closed loop design controls the output stage of the HVPS, eliminating the need for a preload. The elimination of a preload makes this power supply ideal for use in applications where power efficiency is critical. The rise-and-fall times are much faster than anything else commercially available, which could have considerable benefits in imaging applications, allowing for imaging over time intervals orders of magnitude smaller than is achievable with other power supplies.

mobile

NASA offers companies a revolutionary high-efficiency Class-D power amplifier that can reduce power consumption by a factor of 5.

Researchers at NASA's Marshall Space Flight Center (MSFC) have developed a new power amplifier to convert direct current (DC) electrical power to a radio frequency (RF) signal. By increasing the DC-to-RF conversion efficiency, this innovation dramatically reduces power consumption, thus decreasing solar array requirements for satellites and increasing battery life for portable electronics.

cell phone

NASA scientists have discovered a method for combining or dividing harmonically rich waveforms while maintaining both the amplitude and phase of the original waveform.

The result is high efficiency amplification at microwave frequencies for cell phone and PCS communications.

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Additional Technologies

Title Description/Abstract
Dissipating High Power Safely and Efficiently with a Radio Frequency Power Load + Go to full description
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Nuclear Fuel Element Using Grooved Fuel Rings + Go to full description
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Programmable Thermostat/Power Controller Operates on Single Power Source + Go to full description
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NASA TECH BRIEFS

2009

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