AIM: -
To observe the output waveforms of Resistance firing ('R' - firing) circuit of SCR.
Procedure: -Resistance (R) firing:a) Make the connections for R-firing as per the circuit diagram shown in Fig.2.1 (a).
b) Before switch on the supply, verify the connections properly.
c) Turn the potentiometer fully anticlockwise.
d) Connect the oscilloscope across the load.
e) Switch on the power circuit.
f) Vary the firing angle, α and observe the waveforms in the CRO.
g) Draw the corresponding waveforms in the trace paper or in the graph sheet.
Негізгі бет Study of gate firing circuits of SCR’s - "R" Triggering Experimental setup
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