derating

Lowering rated output

Derating is reducing the rated capacity of equipment, typically electrical or mechanical, to extend its lifespan or ensure safe operation under demanding conditions.

A motor might be derated when operating at high altitude or in extreme heat, where it can't perform at full capacity without overheating.

The manufacturer recommends derating the transformer by 20% in tropical climates.

electrical

voltage

Electrical potential difference

load · capacitor · resistor · transistor · semiconductor · diode · circuit · impedance · conductor · fuse

thermal

cooling

Losing thermal energy

dissipation · ambient · convection · conduction · airflow · ventilation · fans

safety

margin

Edge of a page

certification · compliance · regulation · guidelines · inspection · risk · tolerance · buffer · conservatism · lifespan

calculation

factor

Contributor to result

sizing · adjustment · datasheet · nominal · maximum · guideline · chart · table · coefficient · multiplier

Opposites
capacity utilization

deratingoverclocking

Exceeding manufacturer's speed specifications

uprating · overloading · overdriving · maxing out · redlining

performance modification

deratingoverclocking

Exceeding manufacturer's speed specifications

uprating · overdriving · overrating · boosting · supercharging

Family

rate, rating, rations, underrate, rationality, rationalize, overrated, rationalism, rater

Familiarity
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Used worldwide · Timeless · Rated G