Page 207 - Electrical Equipment Handbook _ Troubleshooting and Maintenance
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VARIABLE-SPEED DRIVES
t t t t
v in (t) The output of the PWM circuit with a sinusoidal control voltage applied to its input.
v x (t)
v y (t)
v u (t) V DC v v (t) V DC v load(t) FIGURE 10.8
10.6
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