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.
This paper will report on the flue gas CO-AF concentrations and minimal derating potential, as well as observations on the operation of the ignition system, heat exchanger temperatures and discolorations indicative of high thermal stresses, and the high temperature limit control switches.
While derating engine power solves the engine durability problem, it creates one for the customer in terms of reduced performance and productivity.
A 5 to 15 percent increase, for example, can result from derating.
It also offers a low total harmonic distortion (THD) of < 15%, to meet stringent global energy regulations, along with a built-in over-temperature protection (OTP) and derating function to improve the predictability and reliability of system operating life.
A second approach consists to extend the electrical current capabilities toward higher operating temperature in orderto meet the derating rules defined in ECSS Q-ST-30-11C-rev1 which have been defined beginning of years 2000 s.
The MWA220 and FWA220 delivers 220 watts of power at 90-264 VAC without derating, while other 220W desktop power supplies require a minimum of 100 VAC to be rated at 220 W and may not be able to draw a full 220 W in countries like Japan.
An operating temperature range from -55[degrees] to 85[degrees]C with proper derating.
The drive offers true side-by-side mounting without any derating due to its compact, bookstyle design.
The slurry module allows derating of the pumps to be determined.
The Mannesmann Rexroth division offered a bearing that would tolerate the load and speed of the new robot without derating.