Power question, please help.
The equations of the phase voltage and load current across a load are given as: V(t) = 100 Cos (500t + 40 degree) + 20 Cos (1500t – 20 degree) – 10 Cos(2500t – 70 degree) I(t) = 20 Cos (500t – 25 degree) – 5.0 Cos (1 500t – 60 degree) – 3.0 Cos(2500t – 40 degree) + 1.5 Cos(3500t – 40 degree) (a) Calculate the average power (b) Calculate the power factor (c) Calculate the RMS values and THD values of the phase voltage and load current
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