Assignment QP – I

Explain the working, VI Characteristics, 2 Transistor Analogy of SCR with neat sketches. Derive the Expression for Anode Current. Justify how Anode Current varies with respect to Gate Current. Draw and Explain the working of Turn On and Turn Off Snubber Circuit. Analyze the need for Snubber diode across resistance. Explain the working of single phase Semi converter with neat Sketches and Waveforms. Derive the expression for DC Output Voltage. Evaluate the performance of Semi converter for less delay angles of 30degee. Explain the working of Three phase Full converter with neat Sketches and Waveforms. Draw the Output waveforms for Dealy Angle α = 45 degree