effective power
[ɪˈfektɪv ˈpaʊər]
noun
potência efetiva
1. The actual power delivered or consumed in a system, measured in watts, as opposed to apparent power; the real component of power in AC circuits
The effective power in the circuit was calculated by multiplying voltage, current, and the power factor.
A potência efetiva no circuito foi calculada multiplicando-se a tensão, a corrente e o fator de potência.
2. In mechanics and engineering, the actual useful power available for doing work after accounting for losses
The motor's effective power output was 75 kilowatts after accounting for friction losses.
A potência efetiva do motor era de 75 quilowatts após contabilizar as perdas por atrito.
3. Political or social influence that actually produces results, as distinguished from nominal or theoretical power
Although she held the title, her effective power in the organization was limited.
Embora tivesse o título, seu poder efetivo na organização era limitado.
This term is primarily used in technical and engineering contexts across both Brazilian and American English. In Brazil, it's common in electrical engineering courses and industrial applications. The concept is fundamental to understanding power consumption and efficiency in modern electrical systems and is standardized across international technical documentation.
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