The electromechanical energy conversion devices used in power systems are never operated to deliver maximum power output, because at maximum power output, _____________
A. Efficiency is less than 50%
B. Temperature of the power devices is much more than the specified allowable temperature rise
C. Half of the power input appears as losses
D. Any of the mentioned
Answer:A
The electromechanical energy conversion devices used in power systems are never operated to deliver maximum power output, because at maximum power output, _____________
A. Efficiency is less than 50% B. Temperature of the power devices is much more than the specified allowable temperature rise C. Half of the power input appears as losses D. Any of the mentioned