The following is a small selection of items recently published by EPRI. To view complete lists of your company-funded research reports, updates, software, training announcements, and other program deliverables, log in at www.epri.com and go to Program Cockpits.
For tracking chloride and sulfate concentrations in nuclear plants, most operators sample reactor coolant or steam generator blowdown daily and analyze samples with ion chromatography instruments in a plant laboratory. As an alternative to this resource-intensive approach, EPRI examined microchip capillary electrophoresis, a new technology that can potentially be used for online monitoring of chloride and sulfate with more timely results and reduced radiation exposure. This study demonstrated the technology at a pressurized water reactor and a boiling water reactor, comparing the results to those yielded from ion chromatography.
This plume dispersal model calculates single- or multi-source impacts of primary and secondary pollutant emissions at downwind locations.
By relying on field forces rather than physical contact between surfaces to achieve high rotational speed, magnetic gears can potentially reduce the mass and cost of drive-trains for wind turbines rated above 10 megawatts, while improving efficiency and reliability. This brief report provides an overview of the technical basis, status, and potential of magnetic gearboxes for use in large-scale wind turbines.
In this report, EPRI comments on the results, strengths, and limitations of a Utrecht University study examining the relationship between amyotrophic lateral sclerosis mortality and occupational exposure to low-frequency magnetic fields and electric shocks.
This report discusses the state of knowledge and techniques for monitoring of power plant cooling water systems, including control of cooling processes and evaluation of water treatment programs.
This report discusses results of EPRI research on expected costs and performance for new and retrofit fossil-fuel power plants with carbon capture and storage. Plant types include pulverized coal, fluidized-bed combustion, integrated gasification combined cycle, and natural gas combined cycle.
With a focus on utility-scale solar plants, this paper investigates links between plant design and long-term operations and maintenance costs, such as the effects of row spacing, racking and tracking, cable management, soiling and vegetation management, data monitoring and communications set-up, and inverter selection and engineering.
The focus of this study is identifying and resolving operational challenges related to power plant cycling, drawing from previous EPRI reports, literature reviews, and interviews with utilities about operating experiences.
Using data sets from five utilities, this study characterized the prevalence of noise-induced hearing loss in various worker groups and occupational environments.
The high-altitude detonation of a nuclear weapon can generate a large electromagnetic pulse—a sudden burst of electromagnetic radiation. This modeling study assessed the impacts of such a burst on bulk-power transformers.
Fine-mesh traveling water screens are likely to be the technology of choice for meeting new fish-protection regulations for cooling water intakes in power plants. This modeling study aimed to determine the cause of two recent failures of these devices at ConEdison’s East River Generating Station.
Emitted by radio and television broadcast stations, mobile telephone base stations, hand-held mobile units, and other sources, radio frequency fields exist almost everywhere today. Although public exposure to these fields is generally minimal, growing use of WiFi in schools has raised questions about potential exposure to students. This study examined the magnitude of radio frequency fields produced by WiFi systems in two northern California schools.
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