A new approach for transmitting power wirelessly to electric automobiles could bring the development of highway stations capable of powering fast-moving vehicles closer to reality. Researchers at North Carolina State University have developed new techniques for transferring power to moving electric vehicles that improves on previous methods. The team designed a series of … [Read more...]
Researchers Discuss Narrowband EM Absorbers in New Research
While providing an overview of different types of narrowband electromagnetic absorbers, researchers from the Zhejiang University in Hangzhou and the Taiyuan University of Technology in China point out ways to create effective broadband/multiband absorbers with crucial applications in fields like solar-energy harvesting. The review article “Plasmonic and metamaterial structures … [Read more...]
New Single-Photon Optical Transistor Could Lead to Faster Data Transmission
Using an ultracold quantum gas, researchers at the Max Planck Institute of Quantum Optics in Germany have created a new kind of transistor-like optical amplifier that allows for a twentyfold amplification of single-photon signals. Although fiberoptic technology has helped speed along data transmission and telecommunications in general, researchers have hoped to find another … [Read more...]
Semi-Shielded Power Inductor Series for DC/DC Converter Power Management Applications
Electronic component manufacturer Bourns, Inc. has released a new series of semi-shielded power inductors. The semi-shielded SRM model series combines the features of non-shielded and shielded inductors, making them ideal for use in DC/DC converters, which provide power management to mobile electronic devices, computers, data storage devices and consumer electronics. The SRN … [Read more...]
Software Optimizes Wind Farm Location to Reduce Telecom Interference
Researchers collaborating on the SOPCAWIND project have developed software to optimize wind farm placement, in order to reduce noise, environmental impact, and telecommunications interference. Wind farms, while a valuable and viable source of energy, reportedly meeting up to 8 percent of Europe’s energy needs, are accompanied by significant drawbacks; namely, noise … [Read more...]
EMC Evaluation and Analysis of Uninterrupted Power Supplies
Sulekh Chand and Nurul Hasan Electronics Regional Test Laboratory (North), New Dehli, India As computer usage increases, stable sources of AC power are a must. The computer needs a continuous 220 V AC source for its operation. In many parts of the world, the public utility supply is not stable, and disturbances and interruptions in power are frequent. To avert possible data … [Read more...]
Double-Duty Electrical Cables Can Store Energy
Scientists at the University of Central Florida have developed a way to both transmit and store electricity in a single lightweight copper wire. Jayan Thomas, a professor at the University of Central Florida, and Ph.D student Zenan Yu created a supercapacitor on the outside of a copper wire as a means to store energy while allowing electricity to continue passing through the … [Read more...]
Combining Near- and Far-Field Waves to Power Medical Devices
Video: Stanford University in California Researchers have demonstrated a method of transferring wireless energy to a medical device implanted inside a living animal. The new system, which uses the same amount of power as a cell phone to transmit energy to implanted chips roughly the size of a grain of rice, is the culmination of years of work by Ada Poon, assistant professor … [Read more...]
Harmonic Filters Address Demand for Improved Power Quality
MTE Corporation, a manufacturer of high-efficiency electrical power quality solutions for commercial and industrial applications; has released new 600V, 60Hz and 690V, 50Hz harmonic filter models that are available from 6 Amps to 786 Amps. Operating at over 99 percent efficiency, MTE's Matrix AP harmonic filters address the demand for improved power quality, providing users … [Read more...]
German Superconducting Cable Ups Power with Low Transmission Loss
The world’s longest superconducting cable has been integrated into the power grid of a city in Germany, marking the start of a landmark practical test with the potential to save billions of dollars in power industry costs around the world. “This is a good day for . . . the transformation of the energy system in Germany. Today, we start the first practical test of … [Read more...]
