Which of the following conditions is NOT strictly required when attempting to parallel AC generators?
A
Voltage magnitude must be within tolerances
B
Phase sequence must be identical
C
Frequency must be the same (within acceptable synch tolerances)
D
Rotor speed must be exactly the same
E
Phase angle must be zero (in phase)
İlgili Sorular
What type of bearing is most generally used as an independent main thrust block on merchant
ships ? The purpose of an evaporator is to_____________If a centrifugal pump is noisy with excessive vibration during its operation, the cause would most l...The drains from both effects in a low pressure evaporator have their pressures equalized in the:Ventilation is the circulation and ………… of the air in a space without necessarily a change of temper...