News tagged with high voltage
World's longest superconductor cable
The "AmpaCity" project has been kicked off: The RWE Group and its partners are just about to replace a 1-kilometre-long high-voltage cable connecting two transformer stations in the Ruhr city of Essen with ...
Jan 19, 2012 |
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High-voltage engineers create nearly 200-foot-long electrical arcs using less energy than before (Update)
Photos taken by the researchers show plasma arcs up to 60 meters long casting an eerie blue glow over buildings and trees at the High Voltage Laboratory at the University of Canterbury in New Zealand.
Nov 08, 2011 |
3.9 / 5 (43) |
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Scientists collaborate to improve energy transmission for more efficient grids
Scientists at IBM and ABB, the world's largest builder of electricity grids, are using supercomputers to study and potentially develop a new type of high-voltage insulator that will improve the efficiency ...
Technology / Energy & Green Tech
Nov 02, 2011 |
5 / 5 (1) |
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Finding reserves on the electrical grid
The weather determines how much energy wind turbine systems provide. The same applies to power line capacity. On cold and stormy days, this capacity is higher than on days with no wind and high mid-summer ...
May 11, 2011 |
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A world record in direct current transmission
Siemens is building power converter stations for a high-voltage direct current (HVDC) transmission system with a record capacity of 2 x 1,000 megawatts. Beginning in 2013 the new HVDC PLUS technology will ...
Technology / Energy & Green Tech
May 03, 2011 |
4 / 5 (1) |
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High-speed response hysteretic control DC-DC converter LSI series developed by Panasonic
Panasonic Corporation has successfully developed a new high-speed response hysteretic control DC-DC converter LSI series. The new LSI chips are well suited for applications which require fast load transient ...
Dec 24, 2010 |
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Panasonic Develops High Power Gallium Nitride Transistor for Long-distance Millimeter-Wave Communication
Panasonic today announced the development of a high power Gallium Nitride (GaN) transistor for long-distance communication at millimeter-wave frequencies. A 25GHz wireless transceiver is fabricated using the ...
Jul 23, 2010 |
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Electric cars rolling out
(PhysOrg.com) -- Electric vehicles are far from new, but we are still a long way from electric cars being the norm. Now two new electric cars may bring that goal a step closer.
Technology / Energy & Green Tech
Dec 16, 2009 |
4.3 / 5 (16) |
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Gallium nitride transistor could replace silicon
(PhysOrg.com) -- A Cornell researcher has created an extremely efficient transistor made from gallium nitride, which may soon replace silicon as king of semiconductors for power applications.
Dec 08, 2009 |
4.7 / 5 (38) |
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Blood Brothers: Particles Form Strong Bonds in Blood Vessels (w/ Video)
(PhysOrg.com) -- Functionalized nano- and microscale particle systems have become a key component in biomedical applications, from drug delivery to prosthetics. Their small size and potential for modification and functionalization ...
Nanotechnology / Nanomaterials
Sep 16, 2009 |
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Cattle respond to magnetic fields from power lines
(AP) -- High-voltage power lines mess with animal magnetism. Researchers, who reported last year that most cows and deer tend to orient themselves in a north-south alignment, have now found that power lines can disorient ...
Mar 16, 2009 |
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