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.已知u=220sin(628t+π/3)V,i=10sin(628t-π/3)A,则交流电的f=HZ,T=S,电压初相位ψu=rad,电流的初相.已知u=220sin(628t+π/3)V,i=10sin(628t-π/3)A,则交流电的f=HZ,T=S,电压初相位ψu=rad,电流的初相位ψi=rad,电压与
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.已知u=220sin(628t+π/3)V,i=10sin(628t-π/3)A,则交流电的 f= HZ,T= S,电压初相位ψu= rad,电流的初相
.已知u=220sin(628t+π/3)V,i=10sin(628t-π/3)A,则交流电的
f= HZ,T= S,电压初相位ψu= rad,电流的初相位ψi= rad ,电压与电流的相位差ψui= rad.
.已知u=220sin(628t+π/3)V,i=10sin(628t-π/3)A,则交流电的
f= HZ,T= S,电压初相位ψu= rad,电流的初相位ψi= rad ,电压与电流的相位差ψui= rad.
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200hz,π/3,-π/3,2π/3
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