• 2022-06-03
    已知对称三相电源的相电压uA=10sin(ωt+60°)V,相序为A─B─C,则当电源星形联接时线电压uAB为()
    A: 17.32sin(ωt+90°)v
    B: 10sin(ωt+90°)v
    C: 17.32sin(ωt-30°)v
    D: 17.32sin(ωt+150°)v