• 2022-06-12
    已知对称三相电源的相电压uA=10sin(wt+60°)V,相序为A-B-C,则当电源星形联结时,线电压UAB为()
    A: 17.32sin(wt-30°) V
    B: 17.32sin(wt+90°) V
    C: 10sin(wt+90°)V
    D: 17.32sin(wt+150°) V