power loss
[/ˈpaʊər lɔːs/]
nounpl: power losses
perda de energia
1. The reduction or interruption of electrical power supply to a device, building, or area
The power loss during the storm lasted for three hours.
A perda de energia durante a tempestade durou três horas.
2. In physics and engineering, the dissipation of electrical energy as heat in a circuit or transmission line
Power loss in the transmission lines is a significant concern for energy companies.
A perda de potência nas linhas de transmissão é uma preocupação significativa para as empresas de energia.
3. A decrease in mechanical or electrical efficiency resulting in wasted energy
The motor experienced power loss due to friction and resistance.
O motor sofreu perda de potência devido ao atrito e à resistência.
In Brazil, 'perda de energia' is the standard term used by utility companies (like Enel and Eletrobras) and in everyday conversation. During rainy seasons, power loss announcements are common in Brazilian media. In the USA, 'power loss' is frequently discussed in contexts of infrastructure, climate resilience, and grid reliability, especially during extreme weather events.
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