A single-phase H-bridge inverter in Fig. 1 is supplying the output load at v = 230Vrms...

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A single-phase H-bridge inverter in Fig. 1 is supplying the output load at v = 230Vrms and fundamental frequency f₁ = 50Hz. The output current i, has an rms value of 10 A at a lagging power factor of 0.90 and can be modelled by series connection of a resistance and an inductance. +300 th Q1 Q4 HK Q3 Q2 Low-pass filter Lf RLf RCf Cf WWW RLoad LLoad Fig. 1 (a) Calculate the values of output load resistance and inductance. (b) This single-phase inverter has V₁ = 400V, frequency modulation index m, 133 and uses unipolar modulation. Calculate the amplitude modulation index. (c) Design a simple LC low-pass filter using the following assumption: Filter resonant frequency wn=1/√√LC = 2m (m/fi)/10 Filter reactive power at fundamental frequency f₁ is 5% of load apparent power, Qe = 0.055 Load RLF = 0.01 , RCF = 20 A single-phase H-bridge inverter in Fig. 1 is supplying the output load at v = 230Vrms and fundamental frequency f₁ = 50Hz. The output current i, has an rms value of 10 A at a lagging power factor of 0.90 and can be modelled by series connection of a resistance and an inductance. +300 th Q1 Q4 HK Q3 Q2 Low-pass filter Lf RLf RCf Cf WWW RLoad LLoad Fig. 1 (a) Calculate the values of output load resistance and inductance. (b) This single-phase inverter has V₁ = 400V, frequency modulation index m, 133 and uses unipolar modulation. Calculate the amplitude modulation index. (c) Design a simple LC low-pass filter using the following assumption: Filter resonant frequency wn=1/√√LC = 2m (m/fi)/10 Filter reactive power at fundamental frequency f₁ is 5% of load apparent power, Qe = 0.055 Load RLF = 0.01 , RCF = 20

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SOLUTION a To calculate the values of output load resistance RLoad and inductance LLoad we need to use the given information about the output current ... View the full answer