(S4.3c) A single-phase load has a measured fundamental voltage of 230V, fundamental current of 18 A and fundamental power of 2.2 kW. Find the fundamental power- factor. There is no need to indicate...

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Extracted text: (S4.3c) A single-phase load has a measured fundamental voltage of 230V, fundamental current of 18 A and fundamental power of 2.2 kW. Find the fundamental power- factor. There is no need to indicate lag or lead in this case. (S4.3d) A single-phase load has a measured fundamental voltage of 230V, fundamental current of 3 A and fundamental power of 170 W. The 3rd harmonic component has an rms voltage of 50V, rms current of 2A and power of 20W. Find the (general) power-factor.