brownout

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brownout

Informatics
A slowdown or lapse in the processing of information on an intranet or the Web, which is linked to software errors, excessive traffic on transmission lines and overload or frank failure of Web servers.
 
Medspeak
See Physician brownout.

Public health
The intentional drop in voltage supplied by a power company to a regional electrical grid imposed to prevent a blackout, which may result in flickering of lights and other electrical devices. Most hospitals have backup power supplies that automatically start up when power is lost.
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Also, many areas within the United States are subject to power utility problems--sags, rolling brown-outs, even power outages--due to seasonal conditions like a high rate of air-conditioning use during heat waves.
The WorldWater system and products will provide all of the environmental advantages associated with clean solar power, and will serve as a backup source of electricity in the event of black- or brown-outs from the regional electrical supply grid.
Line-interactive UPS systems such as the Pulsar ESV+ offer inherent performance advantages over typical off-line UPS systems, which do not regulate output voltage when operating on utility power, rendering them ineffective during brown-outs.
With deregulation and soaring energy prices, energy service provider partnerships are growing, using smart home devices to provide remote energy management services while the utility saves money and avoids brown-outs.
The American utility industry, already fraught with concerns surrounding deregulation, power spikes and potential summer brown-outs will evolve into a series of companies focused on achieving scale in the three major industry segments over the next decade according to new Andersen Consulting research.
According to Fred Cherrick, Marketing Director for Siemens Solar earthsafe(TM), "In our market research and early trials, we found that solar electric systems that could provide power during utility brown-outs were highly desirable, particularly among households with young children, home-office professionals, and elderly people.
Cross-vendor support of routers, switches and hubs, while monitoring for port, module, chassis and VLAN problems from brown-outs to black-outs;
For energy-intensive, computer-driven industries, the challenges center around both rising energy costs and the continuous availability of their systems in the face of potential rolling brown-outs.
This program helps avoid brown-outs, conserves energy, reduces the need to build new power plants, and provides consumers and utility companies with cost savings.
When not being used during low-drive times, the vehicles will provide a small portion of power back to the grid, collectively adding up to a large amount of power to help prevent brown-outs by balancing demand against supply.
Many power organisations have been predicting power brown-outs and black-outs by 2012, the recent warnings mean that there could could be some significant short term problems even before Christmas," he says.