This heat is radiated into the electrical room where the equip-ment is placed and must be removed to ensure excess heat does not cause failures. We can take a 5% average as the heat loss.
A thermographic inspection is either an interior or exterior survey.
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However the are studies providing average losses.
The more copper your electrical equipment windings and cabling contain the less costly energy you'll lose as heat.
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The optimal operating temperature for most electrical equipment lies between 105 and 122 degrees Fahrenheit, with minimums ranging from 70 degrees for some standard equipment to 40 degrees below zero for specialized equipment.
ASHRAE Transactions: Symposia Heat Loss from Electrical and Control Equipment in Industrial Plants: Part I -Methods and Scope.
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I 2R = Costly Heat Loss.
) ΔT °F = Degrees Fahrenheit °C = Degrees Celsius Solar Heat Gain When evaluating the thermal management needs of outdoor electrical enclosures, solar heat gain must be considered.
I've included heat loss for each breaker and additional loss for each switchgear section.
ASAP assessment - April 2023.
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designers in sizing the electric equipment, load diversity, and ambient temperature on heat loss is discussed.