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AC Thyristor Trigger Angle versus Power Factor

​
trigger angle (degrees)
45
voltage
120
load R (ohms)
22.5
load
X
L
(ohms)
13
trigger angle
=
45
degrees
V
RMS
=
120
volts
I
RMS
=
3.08
amps
R
=
22.5
ohms
X
L
=
13
ohms
Z
=
26.0
ohms
power factor
=
0.58
P
=
213.9
watts
S
=
370.0
VA
General
:Exp[-5655.93] is too small to represent as a normalized machine number; precision may be lost.
General
:Exp[-5655.93] is too small to represent as a normalized machine number; precision may be lost.
General
:Exp[-2827.96] is too small to represent as a normalized machine number; precision may be lost.
General
:Further output of General::munfl will be suppressed during this calculation.
This Demonstration allows you to manipulate a simple SCR circuit incorporating a resistive and an inductive load. You can view the interaction of each of the adjustable parameters graphically. The red ball represents the point of operation for any given set of parameters.
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