(a) The following figure shows a switch arrangement, forming a power electronic converter. The given input and desired output waveforms are shown. Decide a switching function which will provide the given output. Vac A S₁ + S₁ V dc Vac V dc t (b) Now, draw a circuit on the output side which provides a closed path for the current. Ensure that the basic principles of interconnection are obeyed. (c) In the circuit that you have drawn, find out which combination of switch states are allowed. (d) Now, assume the input source and the corresponding converter output are current stiff with the same input and output waveforms as shown in the figure. Draw the new converter configuration, clearly showing the required changes in switch orientation. (e) Answer questions a to c for the configuration obtained in part (d). -