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[主观题]
一单相变压器,一次绕组匝数N1=867,电阻R1=2.45 Ω,漏电抗X1=3.80 Ω;二次绕组匝数N2=20,电阻R2=0.0
06 2 Ω,漏电抗X2=0.009 5 Ω。设空载和负载时
=0.0518 wh,U11=10 000 V,f=50 Hz。空载时,
180.2°,负载阻抗ZL0.003 8-j0.001 5 Ω。求:(1)电动势E1和E2;(2)空载电流I0;(3)负载电流I2和I1。
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