Question 185Electricity & Electronics - QMED

The correct answer is D) The alternator breaker should trip. When attempting to parallel an AC generator that is out of phase with the bus, it will result in the alternator breaker tripping. This is because the out-of-phase condition will cause a large current to flow through the alternator, potentially damaging the alternator or related electrical components. The alternator breaker is designed to trip in this situation to protect the electrical system. The other answer choices are incorrect. Option A is incorrect because the power factor would not be "unitized" (presumably the intended meaning is "unity"). Option B is incorrect because the synchronizing lamps would not burn out, as they are designed to indicate the phase difference. Option C is incorrect because the kVA would increase, not decrease, due to the out-of-phase condition.