两台发动机正常运转,在一般的情况下GEN1(1号发电机)提供电源到(——),GEN2(2号发电机)提供电源到(——)()
A:GEN 1向 AC BUS 1和AC BUS 2汇流条供电;GEN 2 向AC ESSENTIAL BUS 和AC SHEDDABLE ESSENTIAL BUS汇流条供电
B:GEN 1向 AC BUS 1、AC ESSENTIAL BUS 和AC SHEDDABLE ESSENTIAL BUS汇流条供电;GEN 2 向AC BUS 2汇流条供电
C:GEN 1向AC ESSENTIAL BUS 和AC SHEDDABLE ESSENTIAL BUS汇流条供电 ;GEN 2 向AC BUS 1和AC BUS 2汇流条供电
D:GEN 1向 AC BUS 1汇流条供电;GEN 2 向AC BUS 2、AC ESSENTIAL BUS 和AC SHEDDABLE ESSENTIAL BUS汇流条供电