derating


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derating

[dē′rād·iŋ]
(electronics)
The reduction of the rating of a device to improve reliability or to permit operation at high ambient temperatures.

derating

The reduction in the normal rating of equipment to account for abnormal environmental conditions to which the equipment may be subject.
References in periodicals archive ?
These more extreme cases for the Southern mine underscore how critical the initial mine temperature is with respect to occupancy derating.
Here the furnaces were tested using the manufacturer's recommended altitude derating schemes, the production (sea level) settings, and several settings in between.
While derating engine power solves the engine durability problem, it creates one for the customer in terms of reduced performance and productivity.
"The BTCPower S15 Series converters are designed to operate with no air flow in ambient temperatures between -40 and 60 degrees Celsius ambient with no power derating," said James Lau, president of Broadband TelCom Power, Inc.
Sound attenuation options have been added for noise sensitive applications and this generation of Cat gen-sets include a large extension box for better cable access, a broad voltage generator that can handle a wider voltage range without derating, and a factory-built and assembled weather proof enclosure.
The problems of an oversized heating system can be partially corrected by derating. This refers to adjustments that reduce the rate at which fuel is burned.
The filters have an operating ambient temperature rating of -25 to +85[degrees]C with derating above 55[degrees]C.
Reducing the transfer rate meant derating generators during periods of wet coal--also not an option for a plant supplying a major metropolitan area.
* 3 W across a range of operating temperatures from -40[degrees] to +95[degrees]C with model-dependent derating.
The devices operate over a temperature range from -55[degrees]C to +105 [degrees]C with voltage derating above +85[degrees]C.
The drive offers true side-by-side mounting without any derating due to its compact, bookstyle design.