• 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°)
    B: 10sin(ωt+90°) 
    C: 17.32sin(ωt-30°)  
    D: 17.32sin(ωt+150°)