Simulation
The operation of the circuit can be simulated as shown below. In order to
simulate, the solution for current is presented in the following form, where
t = (wL)/R. Then
Again it is preferable to normalize. Here E is set to unity and E/R is also
set to unity. Then
vs = sin (wt).
vo = vs - i for a <
wt < d, and
vL = vs - i for a <
wt < d.
To solve the expression, all we need to know is then the ratio t.
The applet shown below simulates this circuit. You have to key-in the ratio
t and then click on the button next to it. Do not
key-in a NaN. Enter the ratio t in the left text-field
to the left of the click button and the firing angle in degrees in the textfield
to its right.
click here to open the applet
The next page presents the same circuit with a free-wheeling
diode.
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