题目内容
一台单相变压器额定容量
=1000KVA,额定电压
=60/6.3kV,额定频率
=50Hz,一次绕组漏阻抗
=30.5+j102.5Ω,二次绕组漏阻抗
=0.336+j1.13Ω,绕组电阻无需温度换算,该变压器满载且功率因数cosϕ2=0.8(滞后)时,电压调整率为( )。
2025-10-20
A.5.77%
B.4.77%
C.3.77%
D.2.77%
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