对称正序三相电压源星形联接,若相电压UA=220√3sin(wt-60°)V,则线电压UAB为( )V。
A: 220sin(wt-30°)
B: 220√3sin(wt-60°)
C: 220√3sin(wt-150°)
D: 220sin(wt-150°)
A: 220sin(wt-30°)
B: 220√3sin(wt-60°)
C: 220√3sin(wt-150°)
D: 220sin(wt-150°)
举一反三
- 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Uab=____ V。 A: 100√3sin(ωt-60°) B: 100√3sin(ωt-30°) C: 100sin(ωt+150°) D: 100sin(ωt-150°)
- 已知在对称三相电压中,V相电压为uv=220sin(314t+π)V,则U相和W相电压为()V。 A: uu=2202 sin (314t-π3) uw=220 2 sin (314t+π3) B: Uu=2202 sin (314t+π3) uw=2202 sin (314t-π3) C: uu=2202 sin (314t+2π3) uw=2202 sin (314t-2π3)
- 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
- 对称正序三相电压源星形联接,若相电压uA=10sin(wt-60°),则线电压uAB= A: 17.32sin(wt-30°) B: 17.32sin(wt-60°) C: 17.32sin(wt-150°) D: 17.32sin(wt+150°)
- 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