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Alternating current

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News archive for Alternating current

Tunnel proposed under Camino  -  28 Aug 2007
Durango Herald,The power plant was built in 1893 shortly after Durango's founding and was one of the first steam-powered alternating-current plants in the country.

Supply business expands operations to Fox Valley  -  Aug 26, 2007
Aurora Beacon News,Grainger was founded in 1927 by William Grainger, who got his start creating alternating current power motors as the country was switching from direct

Alternative energy powers Xantrex  -  Aug 23, 2007
Globe and Mail,...devices that take the direct current generated from wind turbines, solar cells or batteries, and turn it into usable alternating current.

Tmax and Isomax circuit breakers available from ABB Australia  -  Aug 19, 2007
Ferret,Within the Panorama of the ABB Moulded-case circuit breakers there is also the range for applications in direct and alternating current up to 1000V.

Was Thomas Edison really the man who lit America?  -  Aug 7, 2007
Chicago Daily Southtown,He is the fellow who developed the use of alternating current (or AC as those of us who use electricity today know it). Edison, who most of us look upon as

Worst of times shed in best light  -  Aug 24, 2007
The Age,It's doubly unfortunate because George and Martha's marriage is a toxic battery: it runs on an alternating current of vitriol, so the chemistry between them

Plasma, Laser and Waterjet Cutting - What's new  -  Aug 21, 2007
Welding,This plasma cutter is powered by standard 115-volt, alternating current (AC)household current. The AirForce 250ci is designed to cut 1/8-in. mild steel and

Why the Subways Flood  -  Aug 8, 2007
New York Times,The subway system has two vital sources of power: the direct current that moves the trains, and the alternating current that powers the signals.

Data Center Boasts Power Cuts  -  Aug 5, 2007
PC WorldCurrently, most alternating current (AC) power supplies operate at just 75 percent efficiency, with 25 percent of the supplied electricity being wasted and

A Second Look at Dielectrics and ZPE  -  Aug 12, 2007
ZPEnergyNikola Tesla, the inventor of alternating current that presently powers our whole planet did not have semiconductors, but he did wonders with dielectrics.

Colorado business  -  Aug 22, 2007
Denver Post,The inverter technology converts direct-current (DC) power from commercial solar-cell arrays to alternating-current (AC) grid electricity for transmission.

COLEXON completes world's largest rooftop solar plant  -  Aug 22, 2007
EnergyCurrent,Three inverters convert the continuous current into alternating current. The solar power plant will produce about 2.4 million kWh per year.

Energy costs encourage DC conversion  -  Aug 14, 2007
IT Week,The concept of using a direct current (DC) rather than an alternating current (AC) power source in datacentres as a way of reducing electricity costs is not

Trans Bay Cable Project Receives Final Approval  -  Aug 16, 2007
PR Newswire (press release),At each end of the cable, a converter station will be built to convert the electricity into Direct Current or Alternating Current, as appropriate,

Commodities success grows skills dearth  -  Aug 9, 2007
Engineering News (press release),This plant pretreats chromite fines prior to feeding to alternating current (ac) furnaces. The core technology of the process is provided by Outokumpu,

Tumor-Zapping Technique Fights Kidney Cancer  -  Aug 3, 2007
Forbes,A needle-like treatment probe, guided by computer tomography (CT), is inserted into the tumor where it emits a high-frequency alternating current.

Let the Sun Shine In  -  Jul 31, 2007
BusinessWeekThe resulting direct current (DC) then must undergo conversion to alternating current (AC), losing another 20%. If that AC goes on to light an incandescent

Banning businessman gets rebate on solar-power system  -  Aug 1, 2007
Press-Enterprise (subscription),The photovoltaic panels absorb the sun's rays and convert the energy into direct current electricity, which is turned into alternating current by the

Reinecke Pohl Sun Energy AG  -  Aug 16, 2007
Ad-Hoc-News (Pressemitteilung),Three inverters convert the continuous current into alternating current. Under the supervision of COLEXON up to 40 mechanics and electricians were working

Trulite Introduces All-Inclusive Fuel Cell Power Generation System  -  Jul 31, 2007
Fuel Cell Works (press release)While the fuel cell generates direct current, alternating current can also be provided by using an inverter. Fuel cells were used as early as the Apollo

Brain Tumors: Glioblastoma  -  Aug 3, 2007
WSOCtv.com,Researchers are testing a novel treatment for glioblastoma multiforme - using alternating current, or AC electricity. AC is the type of electricity used in

Energy, Oil and Gas  -  Aug 8, 2007
Nigerian Tribune,...utilities using the electric grid, it must be converted to alternating current (AC) using inverters, solid state devices that convert DC power to AC.

Motion pictures came north at The Nickel  -  Aug 13, 2007
Bangor Daily News,Much was made of the fact that a "motor generator" would convert alternating current to direct current "thus ensuring greater steadiness and brilliance to

Condominiums with a view  -  Aug 13, 2007
Orlando Sentinel,Reeger said the silicon-wafer photovoltaic panels create electricity by converting the sun's energy into direct current and then into alternating current to

Superpower’s 2-G Superconducting Cable Slated For Grid Installation  -  Aug 11, 2007
Design News,Superconducting cables present negligible electrical resistance compared to copper wire when transmitting alternating current (AC).

Memphis Small Business Spotlight  -  Aug 11, 2007
Memphis Daily News,..."It switches the (direct current) to (alternating current) power, so they were able to use a few small hand tools down there while they were building.

Low-hanging green fruit - part 2  -  Aug 10, 2007
Techworld.com,It's become a truism that converting input alternating current (AC) to direct current (DC) in a data centre is inefficient. Electricity is lost in the

UHV technology to help meet growing energy demand  -  Aug 9, 2007
Reliable Plant Magazine,Delivering voltages of 1000 kilovolts alternating current or higher and a minimum of 800kV direct current, UHV technology offers the ability to carry large

New ChTZ Tractor to Supply Power for Small Settlements  -  Aug 21, 2007
Financial Information Service(Registration),...of a prototype of the tractor that has no analogs in CIS countries - heavy diesel-electric tractor DET-400 with alternating current electric machines.

Utraspeed pioneers green datacentres using new hybrid servers  -  Aug 6, 2007
ComputerWeekly.com,..."Alternating current (AC) power is used in virtually all UK datacentres, but DC power is almost 20% more efficient," said Jordan Gross, commercial director

Media Person: Tubious Achievements  -  Aug 5, 2007
MEDIAWEEKTo show that rival alternating current was dangerous; Edison publicly electrocuted cats, dogs and finally an elephant—which the video shows crashing to

UPI Newstrack Health and Science News  -  Aug 7, 2007
Science Daily (press release)On the other hand, you might use a soft magnet in a motor or transformer because it would be better at adapting to the rapid changes in alternating current

Moving the Wind  -  Jul 30, 2007
Green Options blog,Over 100 years ago, when power grids covered shorter distances, alternating current (AC) transmission was favored because it loses less electricity than DC.

Radiofrequency Ablation Highly Effective In Treating Kidney Tumors ...  -  Aug 1, 2007
Science Daily (press release)The probe's high-frequency alternating current heats the tumor tissue and destroys it. The technique has been used successfully in liver tumors since the

Cabinet company makes own power  -  Aug 17, 2007
Pueblo Chieftain,Power generated from the solar panels goes into inverters and is converted from direct to alternating current and then fed into meters that measure the

Black Spot? Green spot  -  Aug 7, 2007
Edmonton Journal (subscription),Maybe, but Tesla is still considered to be one of the most influential figures in modern times, having developed modern alternating current (AC) electricity

Radiofrequency Ablation Wipes Out Small Kidney Tumors  -  Aug 1, 2007
MedPage Today,Explain to patients who ask that in this minimally invasive technique, high-frequency alternating current heats the tumor tissue and destroys it.

ABB To Supply Products For China’s Highest-Voltage AC Power Line  -  Aug 1, 2007
Power Online (press release),...and automation technology group, has won an order to supply products for the highest voltage alternating current (AC) power line ever built in China.

Does harvesting of an internal thoracic artery with an ultrasonic ...  -  Jul 30, 2007
The Journal of Thoracic and Cardiovascular SurgeryNevertheless, flow of alternating current and excessive heat generation caused by electrocautery while operating might have some reversible (ie,

Solar-powered batteries support wireless devices  -  Aug 27, 2007
MRT (subscription),The suite also includes the Streetlight Power Tap Adaptor that provides access to 120 vAC, or volts alternating current, that can power a UPS from outdoor

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