【填空题】三相电源绕组星形联结时 , 已知线电压 V, 则线电压 = __________V ,相电压 = ___________V , = ___________V , = ___________V
举一反三
- 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
- 对称正序三相电压源星形联接, 若相电压uA=sin(03c9t- 6000b0)V,则线电压uBC=( )V
- 对称正序三相电压源星形联接, 若相电压uA=100 sin(ωt- 60°)V,则线电压uBC=______ V
- 【填空题】对称三相电源星形连接,若线电压380V,则相电压为 V
- 已知对称三相电源的相电压uB=10sin(ωt-60°)V,相序为A─B─C,则电源作星形联接时,线电压uBC为V