EPRI Journal articles from December 1993

EPRI Journal archives from December 1993

SureSine for clean power.
December 1, 1993... The SureSine |TM~ active power line conditioner solves a variety of power quality problems that cost American businesses, industries, and government agencies billions of dollars each year. This product line, developed by Westinghouse Electric...

Competitive wind energy.
December 1, 1993... Until the arrival of the 33M-VS variable-speed turbine, cost-competitive wind power was not widely available. This new turbine, developed by Kenetech/U.S. Windpower in conjunction with EPRI, Niagara Mohawk Power Corporation, and Pacific Gas and...

Sandsaver 2001. (sand reclamation system)
December 1, 1993... Now metal foundries can meet sand disposal regulations and save money with the Sandsaver 2001 reclamation process. Developed by EPRI's Center for Materials Production in cooperation with Indianapolis Power & Light Company, Navistar International...

MOS-controlled thyristor. (metal-oxide-semiconductor)
December 1, 1993... Harris Corporation packed a lot of power into this little device. Measuring 1.5 by 1 by 0.25 inch, the MOS-controlled thyristor is a semiconductor switch that allows for faster, more efficient control of electric power. Compared with the next...

Ocean process could offset CO2 buildup.
December 1, 1993... Although carbon dioxide (C|O.sub.2~) emissions from human sources (largely energy-related) are the subject of rising concern as a possible contributor to global warming, the amount of carbon thus released is very small in relation to the natural...

Improving lamp design with nonimaging optics.
December 1, 1993... Until recently, there was no systematic methodology for determining how to achieve the desired illumination on a surface from an extended source of light, such as a fluorescent tube. Designing reflectors to direct light rays from a source toward...

New coal-grinding approach saves energy.
December 1, 1993... In the conventional grinding mills used to pulverize coal for utility power plants, only about 1% of the energy expended actually goes into reducing the size of the coal particles. Most of the rest is wasted on metal-to-metal contact and...

Solving problems of power quality.
December 1, 1993... THE STORY IN BRIEF From industrial production lines to personal computers, power quality problems are becoming an increasingly troublesome and costly concern. To provide appropriate solutions to the many types of problems encountered, EPRI is...

A brighter future for PFBC. (pressurized fluidized-bed combustion)
December 1, 1993... THE STORY IN BRIEF Researchers have new optimism for the commercial prospects of pressurized fluidized-bed combustion (PFBC) among advanced fossil power systems. Recent EPRI studies indicate low capital costs for PFBC and highlight the...

Bonds of science: strengthening ties with the CIS. (Commonwealth of Independent States)
December 1, 1993... Detailed news reports have made it clear that times are tough in the former Soviet Union. Soaring inflation pushed Russian prices up 2000% in 1992 alone; government funds have dwindled; and scientists with PhDs typically make less than bus...

Curbside-charging winners bring EVs closer to reality. (electric vehicles)
December 1, 1993... Four companies were winners in EPRI's recent design competition on technologies for curbside charging, a basic element of the infrastructure necessary to support the use of electric vehicles (EVs). The winners were presented awards, and their...

Motor challenge promotes efficient industrial systems.
December 1, 1993... After several years of successful development and technology transfer work on advanced motor systems, EPRI has formed a partnership with the Department of Energy (DOE) and the users and suppliers of electric motors and drive systems to promote...

EHV cable lab upgraded. (Electric Power Research Institute's extra-high-voltage cable laboratory)
December 1, 1993... As EPRI's world-class extra-high-voltage (EHV) cable laboratory approaches its quarter-century mark, it is undergoing a multiyear upgrading for its future roles, which will include testing superconducting transmission cable. Located on the Hudson...

Utilities demonstrate magnetic bearings.
December 1, 1993... Magnetic bearings have been used in small machines for some 20 years. Now, recent advances in magnets, materials, and control technology have opened the door for the use of these bearings in larger-shaft systems with higher bearing-load capacity....

Keeping frozen foods cold with non-CFC refrigerants. (chlorofluorocarbons)
December 1, 1993... Paced by international agreements for the accelerated phaseout of chlorofluorocarbons (CFCs), manufacturers and users of all types of vapor-compression cooling and refrigeration systems are scrambling to replace CFCs with chlorine-free,...