Q2. B. The single-phase H-bridge inverter is operated in the quasi-square-wave mode at the frequency f= 100 Hz, with phase shift ß between half-bridge output voltages va and vb. The load is an RL load with R=-10 2 and L=20 mH. (i) Find ß so that the fundamental amplitude of the load voltage v, is 200 V. (ii) For ß= n/2 sketch v, and i, (approximately). (iii) For ß= n/2 find the total average power supplied to the load.

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Q2. B. The single-phase H-bridge inverter is operated in the quasi-square-wave mode at
the frequency f= 100 Hz, with phase shift ß between half-bridge output voltages va and vb. The
load is an RL load with R=10 2 and L=20 mH.
(i) Find ß so that the fundamental amplitude of the load voltage v, is 200 V.
(ii) For = n/2 sketch v, and i, (approximately).
(iii) For = x/2 find the total average power supplied to the load.
Transcribed Image Text:Q2. B. The single-phase H-bridge inverter is operated in the quasi-square-wave mode at the frequency f= 100 Hz, with phase shift ß between half-bridge output voltages va and vb. The load is an RL load with R=10 2 and L=20 mH. (i) Find ß so that the fundamental amplitude of the load voltage v, is 200 V. (ii) For = n/2 sketch v, and i, (approximately). (iii) For = x/2 find the total average power supplied to the load.
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